/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/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 10:50:09,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 10:50:09,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 10:50:09,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 10:50:09,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-15 10:50:09,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 10:50:09,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 10:50:09,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 10:50:09,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 10:50:09,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 10:50:09,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 10:50:09,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 10:50:09,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 10:50:09,306 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 10:50:09,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 10:50:09,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 10:50:09,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 10:50:09,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 10:50:09,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 10:50:09,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 10:50:09,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 10:50:09,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 10:50:09,308 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 10:50:09,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 10:50:09,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 10:50:09,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 10:50:09,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 10:50:09,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 10:50:09,309 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 10:50:09,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 10:50:09,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 10:50:09,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 10:50:09,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 10:50:09,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 10:50:09,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 10:50:09,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 10:50:09,310 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 10:50:09,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 10:50:09,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 10:50:09,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 10:50:09,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 10:50:09,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 10:50:09,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 10:50:09,553 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 10:50:09,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-15 10:50:09,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2018afd04/5c786dd47a7640ea979d81e3aac2622d/FLAG497a35cbb [2022-02-15 10:50:09,948 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 10:50:09,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-15 10:50:09,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2018afd04/5c786dd47a7640ea979d81e3aac2622d/FLAG497a35cbb [2022-02-15 10:50:10,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2018afd04/5c786dd47a7640ea979d81e3aac2622d [2022-02-15 10:50:10,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 10:50:10,349 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 10:50:10,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 10:50:10,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 10:50:10,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 10:50:10,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf696ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10, skipping insertion in model container [2022-02-15 10:50:10,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 10:50:10,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 10:50:10,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-02-15 10:50:10,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 10:50:10,709 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 10:50:10,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-02-15 10:50:10,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 10:50:10,790 INFO L208 MainTranslator]: Completed translation [2022-02-15 10:50:10,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10 WrapperNode [2022-02-15 10:50:10,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 10:50:10,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 10:50:10,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 10:50:10,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 10:50:10,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,843 INFO L137 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2022-02-15 10:50:10,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 10:50:10,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 10:50:10,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 10:50:10,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 10:50:10,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 10:50:10,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 10:50:10,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 10:50:10,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 10:50:10,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (1/1) ... [2022-02-15 10:50:10,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 10:50:10,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 10:50:10,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-15 10:50:10,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-15 10:50:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 10:50:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-15 10:50:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 10:50:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 10:50:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 10:50:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-15 10:50:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-15 10:50:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-15 10:50:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-15 10:50:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-15 10:50:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-15 10:50:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-02-15 10:50:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-02-15 10:50:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 10:50:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-15 10:50:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 10:50:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 10:50:10,949 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 10:50:11,070 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 10:50:11,072 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 10:50:11,201 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 10:50:11,207 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 10:50:11,207 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 10:50:11,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:50:11 BoogieIcfgContainer [2022-02-15 10:50:11,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 10:50:11,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 10:50:11,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 10:50:11,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 10:50:11,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:50:10" (1/3) ... [2022-02-15 10:50:11,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b2a150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:50:11, skipping insertion in model container [2022-02-15 10:50:11,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:50:10" (2/3) ... [2022-02-15 10:50:11,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b2a150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:50:11, skipping insertion in model container [2022-02-15 10:50:11,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:50:11" (3/3) ... [2022-02-15 10:50:11,218 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-02-15 10:50:11,221 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 10:50:11,221 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 10:50:11,221 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 10:50:11,221 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 10:50:11,259 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,260 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,260 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,260 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,260 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,261 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,261 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,261 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,261 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,262 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,263 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,263 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,264 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,264 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,264 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,264 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,264 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,265 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,265 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,265 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,265 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,265 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,265 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,265 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,266 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,266 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,266 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,266 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,266 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,266 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,266 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,267 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,269 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,269 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,271 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,271 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,271 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,271 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,272 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,272 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,272 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,272 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,273 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,273 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,273 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,273 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 10:50:11,274 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-15 10:50:11,300 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 10:50:11,305 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 10:50:11,305 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-15 10:50:11,312 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 118 places, 107 transitions, 234 flow [2022-02-15 10:50:12,483 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34179 states, 34178 states have (on average 4.310170284978641) internal successors, (147313), 34178 states have internal predecessors, (147313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 34179 states, 34178 states have (on average 4.310170284978641) internal successors, (147313), 34178 states have internal predecessors, (147313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-02-15 10:50:12,715 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:12,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:12,717 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:12,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:12,723 INFO L85 PathProgramCache]: Analyzing trace with hash 915847760, now seen corresponding path program 1 times [2022-02-15 10:50:12,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:12,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385506007] [2022-02-15 10:50:12,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:12,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:13,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:13,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:13,185 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385506007] [2022-02-15 10:50:13,186 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385506007] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:13,186 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:13,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 10:50:13,187 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450144078] [2022-02-15 10:50:13,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:13,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 10:50:13,190 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:13,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 10:50:13,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-15 10:50:13,275 INFO L87 Difference]: Start difference. First operand has 34179 states, 34178 states have (on average 4.310170284978641) internal successors, (147313), 34178 states have internal predecessors, (147313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:14,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:14,114 INFO L93 Difference]: Finished difference Result 39471 states and 166969 transitions. [2022-02-15 10:50:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 10:50:14,116 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-02-15 10:50:14,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:14,455 INFO L225 Difference]: With dead ends: 39471 [2022-02-15 10:50:14,455 INFO L226 Difference]: Without dead ends: 28887 [2022-02-15 10:50:14,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-02-15 10:50:14,462 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 212 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:14,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 548 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 10:50:14,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28887 states. [2022-02-15 10:50:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28887 to 28887. [2022-02-15 10:50:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28887 states, 28886 states have (on average 4.218687253340718) internal successors, (121861), 28886 states have internal predecessors, (121861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28887 states to 28887 states and 121861 transitions. [2022-02-15 10:50:15,738 INFO L78 Accepts]: Start accepts. Automaton has 28887 states and 121861 transitions. Word has length 63 [2022-02-15 10:50:15,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:15,739 INFO L470 AbstractCegarLoop]: Abstraction has 28887 states and 121861 transitions. [2022-02-15 10:50:15,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:15,740 INFO L276 IsEmpty]: Start isEmpty. Operand 28887 states and 121861 transitions. [2022-02-15 10:50:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-15 10:50:15,803 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:15,803 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:15,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 10:50:15,804 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:15,806 INFO L85 PathProgramCache]: Analyzing trace with hash 341658191, now seen corresponding path program 1 times [2022-02-15 10:50:15,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:15,806 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238515534] [2022-02-15 10:50:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:15,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:15,947 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:15,947 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238515534] [2022-02-15 10:50:15,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238515534] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:15,948 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:15,948 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 10:50:15,948 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954517925] [2022-02-15 10:50:15,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:15,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 10:50:15,949 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:15,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 10:50:15,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-15 10:50:15,950 INFO L87 Difference]: Start difference. First operand 28887 states and 121861 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:16,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:16,563 INFO L93 Difference]: Finished difference Result 32667 states and 136945 transitions. [2022-02-15 10:50:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 10:50:16,566 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 65 [2022-02-15 10:50:16,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:16,816 INFO L225 Difference]: With dead ends: 32667 [2022-02-15 10:50:16,816 INFO L226 Difference]: Without dead ends: 26367 [2022-02-15 10:50:16,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-02-15 10:50:16,820 INFO L933 BasicCegarLoop]: 138 mSDtfsCounter, 198 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:16,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 539 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:50:17,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26367 states. [2022-02-15 10:50:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26367 to 26367. [2022-02-15 10:50:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26367 states, 26366 states have (on average 4.194985966775392) internal successors, (110605), 26366 states have internal predecessors, (110605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26367 states to 26367 states and 110605 transitions. [2022-02-15 10:50:17,956 INFO L78 Accepts]: Start accepts. Automaton has 26367 states and 110605 transitions. Word has length 65 [2022-02-15 10:50:17,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:17,956 INFO L470 AbstractCegarLoop]: Abstraction has 26367 states and 110605 transitions. [2022-02-15 10:50:17,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 26367 states and 110605 transitions. [2022-02-15 10:50:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 10:50:18,187 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:18,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:18,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 10:50:18,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:18,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:18,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1680434136, now seen corresponding path program 1 times [2022-02-15 10:50:18,188 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:18,188 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594114221] [2022-02-15 10:50:18,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:18,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:18,310 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:18,310 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594114221] [2022-02-15 10:50:18,310 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594114221] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:18,310 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:18,310 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 10:50:18,311 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744045750] [2022-02-15 10:50:18,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:18,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 10:50:18,311 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:18,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 10:50:18,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-15 10:50:18,312 INFO L87 Difference]: Start difference. First operand 26367 states and 110605 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:18,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:18,802 INFO L93 Difference]: Finished difference Result 37167 states and 155275 transitions. [2022-02-15 10:50:18,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 10:50:18,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-02-15 10:50:18,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:18,875 INFO L225 Difference]: With dead ends: 37167 [2022-02-15 10:50:18,875 INFO L226 Difference]: Without dead ends: 18352 [2022-02-15 10:50:18,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-02-15 10:50:18,876 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 313 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:18,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 535 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 10:50:18,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18352 states. [2022-02-15 10:50:19,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18352 to 18352. [2022-02-15 10:50:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18352 states, 18351 states have (on average 4.137376709716092) internal successors, (75925), 18351 states have internal predecessors, (75925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:19,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18352 states to 18352 states and 75925 transitions. [2022-02-15 10:50:19,437 INFO L78 Accepts]: Start accepts. Automaton has 18352 states and 75925 transitions. Word has length 67 [2022-02-15 10:50:19,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:19,437 INFO L470 AbstractCegarLoop]: Abstraction has 18352 states and 75925 transitions. [2022-02-15 10:50:19,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:19,437 INFO L276 IsEmpty]: Start isEmpty. Operand 18352 states and 75925 transitions. [2022-02-15 10:50:19,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-02-15 10:50:19,472 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:19,473 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:19,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 10:50:19,473 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:19,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:19,473 INFO L85 PathProgramCache]: Analyzing trace with hash 943865611, now seen corresponding path program 1 times [2022-02-15 10:50:19,474 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:19,474 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475591187] [2022-02-15 10:50:19,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:19,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:19,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:19,574 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475591187] [2022-02-15 10:50:19,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475591187] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:19,574 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:19,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 10:50:19,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004680516] [2022-02-15 10:50:19,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:19,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 10:50:19,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:19,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 10:50:19,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 10:50:19,575 INFO L87 Difference]: Start difference. First operand 18352 states and 75925 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:20,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:20,019 INFO L93 Difference]: Finished difference Result 26632 states and 109119 transitions. [2022-02-15 10:50:20,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 10:50:20,019 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-02-15 10:50:20,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:20,066 INFO L225 Difference]: With dead ends: 26632 [2022-02-15 10:50:20,066 INFO L226 Difference]: Without dead ends: 13612 [2022-02-15 10:50:20,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-02-15 10:50:20,067 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 201 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:20,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 548 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:50:20,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13612 states. [2022-02-15 10:50:20,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13612 to 13612. [2022-02-15 10:50:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13612 states, 13611 states have (on average 4.038277863492763) internal successors, (54965), 13611 states have internal predecessors, (54965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:20,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13612 states to 13612 states and 54965 transitions. [2022-02-15 10:50:20,568 INFO L78 Accepts]: Start accepts. Automaton has 13612 states and 54965 transitions. Word has length 69 [2022-02-15 10:50:20,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:20,569 INFO L470 AbstractCegarLoop]: Abstraction has 13612 states and 54965 transitions. [2022-02-15 10:50:20,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:20,569 INFO L276 IsEmpty]: Start isEmpty. Operand 13612 states and 54965 transitions. [2022-02-15 10:50:20,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-02-15 10:50:20,591 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:20,592 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:20,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 10:50:20,592 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:20,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:20,592 INFO L85 PathProgramCache]: Analyzing trace with hash 847735146, now seen corresponding path program 1 times [2022-02-15 10:50:20,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:20,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054373767] [2022-02-15 10:50:20,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:20,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:20,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:20,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054373767] [2022-02-15 10:50:20,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054373767] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:20,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:20,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-15 10:50:20,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108369204] [2022-02-15 10:50:20,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:20,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 10:50:20,696 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:20,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 10:50:20,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-15 10:50:20,697 INFO L87 Difference]: Start difference. First operand 13612 states and 54965 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:21,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:21,014 INFO L93 Difference]: Finished difference Result 18256 states and 73289 transitions. [2022-02-15 10:50:21,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 10:50:21,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 71 [2022-02-15 10:50:21,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:21,061 INFO L225 Difference]: With dead ends: 18256 [2022-02-15 10:50:21,061 INFO L226 Difference]: Without dead ends: 13136 [2022-02-15 10:50:21,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-02-15 10:50:21,063 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 162 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:21,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 412 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:50:21,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13136 states. [2022-02-15 10:50:21,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13136 to 13136. [2022-02-15 10:50:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13136 states, 13135 states have (on average 4.020479634564142) internal successors, (52809), 13135 states have internal predecessors, (52809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13136 states to 13136 states and 52809 transitions. [2022-02-15 10:50:21,492 INFO L78 Accepts]: Start accepts. Automaton has 13136 states and 52809 transitions. Word has length 71 [2022-02-15 10:50:21,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:21,492 INFO L470 AbstractCegarLoop]: Abstraction has 13136 states and 52809 transitions. [2022-02-15 10:50:21,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 13136 states and 52809 transitions. [2022-02-15 10:50:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-02-15 10:50:21,515 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:21,515 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:21,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-15 10:50:21,515 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:21,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:21,516 INFO L85 PathProgramCache]: Analyzing trace with hash -78577446, now seen corresponding path program 1 times [2022-02-15 10:50:21,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:21,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620260586] [2022-02-15 10:50:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:21,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:21,614 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:21,614 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620260586] [2022-02-15 10:50:21,614 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620260586] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:21,615 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:21,615 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 10:50:21,615 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407562625] [2022-02-15 10:50:21,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:21,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 10:50:21,615 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:21,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 10:50:21,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-15 10:50:21,616 INFO L87 Difference]: Start difference. First operand 13136 states and 52809 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 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) [2022-02-15 10:50:21,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:21,775 INFO L93 Difference]: Finished difference Result 16004 states and 63493 transitions. [2022-02-15 10:50:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-15 10:50:21,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 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 [2022-02-15 10:50:21,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:21,810 INFO L225 Difference]: With dead ends: 16004 [2022-02-15 10:50:21,810 INFO L226 Difference]: Without dead ends: 11204 [2022-02-15 10:50:21,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-02-15 10:50:21,811 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 270 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:21,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 472 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:50:21,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11204 states. [2022-02-15 10:50:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11204 to 11204. [2022-02-15 10:50:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11204 states, 11203 states have (on average 3.946532178880657) internal successors, (44213), 11203 states have internal predecessors, (44213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11204 states to 11204 states and 44213 transitions. [2022-02-15 10:50:22,160 INFO L78 Accepts]: Start accepts. Automaton has 11204 states and 44213 transitions. Word has length 72 [2022-02-15 10:50:22,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:22,161 INFO L470 AbstractCegarLoop]: Abstraction has 11204 states and 44213 transitions. [2022-02-15 10:50:22,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 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) [2022-02-15 10:50:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 11204 states and 44213 transitions. [2022-02-15 10:50:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-02-15 10:50:22,179 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:22,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:22,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 10:50:22,179 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2022670647, now seen corresponding path program 1 times [2022-02-15 10:50:22,180 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:22,180 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208661045] [2022-02-15 10:50:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:22,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:22,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:22,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:22,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208661045] [2022-02-15 10:50:22,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208661045] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:22,261 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:22,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 10:50:22,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611885329] [2022-02-15 10:50:22,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:22,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 10:50:22,262 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:22,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 10:50:22,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-15 10:50:22,262 INFO L87 Difference]: Start difference. First operand 11204 states and 44213 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:22,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:22,430 INFO L93 Difference]: Finished difference Result 11402 states and 44072 transitions. [2022-02-15 10:50:22,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 10:50:22,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 73 [2022-02-15 10:50:22,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:22,452 INFO L225 Difference]: With dead ends: 11402 [2022-02-15 10:50:22,452 INFO L226 Difference]: Without dead ends: 7802 [2022-02-15 10:50:22,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-02-15 10:50:22,453 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 384 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:22,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 514 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 10:50:22,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7802 states. [2022-02-15 10:50:22,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7802 to 7802. [2022-02-15 10:50:22,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7802 states, 7801 states have (on average 3.8101525445455713) internal successors, (29723), 7801 states have internal predecessors, (29723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7802 states to 7802 states and 29723 transitions. [2022-02-15 10:50:22,755 INFO L78 Accepts]: Start accepts. Automaton has 7802 states and 29723 transitions. Word has length 73 [2022-02-15 10:50:22,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:22,755 INFO L470 AbstractCegarLoop]: Abstraction has 7802 states and 29723 transitions. [2022-02-15 10:50:22,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 7802 states and 29723 transitions. [2022-02-15 10:50:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-02-15 10:50:22,769 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:22,769 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:22,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 10:50:22,770 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:22,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:22,770 INFO L85 PathProgramCache]: Analyzing trace with hash 2054843864, now seen corresponding path program 1 times [2022-02-15 10:50:22,770 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:22,770 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089142477] [2022-02-15 10:50:22,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:22,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:22,889 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:22,889 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089142477] [2022-02-15 10:50:22,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089142477] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:22,889 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:22,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-15 10:50:22,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568480446] [2022-02-15 10:50:22,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:22,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 10:50:22,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:22,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 10:50:22,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-02-15 10:50:22,890 INFO L87 Difference]: Start difference. First operand 7802 states and 29723 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:23,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:23,031 INFO L93 Difference]: Finished difference Result 6533 states and 24431 transitions. [2022-02-15 10:50:23,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-15 10:50:23,032 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-02-15 10:50:23,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:23,045 INFO L225 Difference]: With dead ends: 6533 [2022-02-15 10:50:23,046 INFO L226 Difference]: Without dead ends: 4778 [2022-02-15 10:50:23,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-02-15 10:50:23,047 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 354 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:23,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 491 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:50:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2022-02-15 10:50:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 4778. [2022-02-15 10:50:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 4777 states have (on average 3.689972786267532) internal successors, (17627), 4777 states have internal predecessors, (17627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:23,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 17627 transitions. [2022-02-15 10:50:23,158 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 17627 transitions. Word has length 75 [2022-02-15 10:50:23,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:23,158 INFO L470 AbstractCegarLoop]: Abstraction has 4778 states and 17627 transitions. [2022-02-15 10:50:23,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 17627 transitions. [2022-02-15 10:50:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-15 10:50:23,167 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:23,167 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:23,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-15 10:50:23,168 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:23,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:23,168 INFO L85 PathProgramCache]: Analyzing trace with hash 291038359, now seen corresponding path program 1 times [2022-02-15 10:50:23,168 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:23,168 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036899003] [2022-02-15 10:50:23,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:23,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:23,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:23,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036899003] [2022-02-15 10:50:23,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036899003] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:23,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:23,289 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 10:50:23,289 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321906405] [2022-02-15 10:50:23,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:23,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 10:50:23,290 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:23,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 10:50:23,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 10:50:23,291 INFO L87 Difference]: Start difference. First operand 4778 states and 17627 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 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) [2022-02-15 10:50:23,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:23,436 INFO L93 Difference]: Finished difference Result 7094 states and 26263 transitions. [2022-02-15 10:50:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 10:50:23,436 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 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 [2022-02-15 10:50:23,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:23,448 INFO L225 Difference]: With dead ends: 7094 [2022-02-15 10:50:23,448 INFO L226 Difference]: Without dead ends: 4362 [2022-02-15 10:50:23,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-02-15 10:50:23,449 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 87 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:23,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 658 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-15 10:50:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4362 states. [2022-02-15 10:50:23,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4362 to 3786. [2022-02-15 10:50:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3786 states, 3785 states have (on average 3.631968295904888) internal successors, (13747), 3785 states have internal predecessors, (13747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3786 states to 3786 states and 13747 transitions. [2022-02-15 10:50:23,653 INFO L78 Accepts]: Start accepts. Automaton has 3786 states and 13747 transitions. Word has length 77 [2022-02-15 10:50:23,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:23,653 INFO L470 AbstractCegarLoop]: Abstraction has 3786 states and 13747 transitions. [2022-02-15 10:50:23,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 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) [2022-02-15 10:50:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3786 states and 13747 transitions. [2022-02-15 10:50:23,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-15 10:50:23,660 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:23,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:23,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-15 10:50:23,661 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:23,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:23,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1641287977, now seen corresponding path program 2 times [2022-02-15 10:50:23,661 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:23,661 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743664801] [2022-02-15 10:50:23,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:23,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:23,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:23,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743664801] [2022-02-15 10:50:23,730 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743664801] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:23,730 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:23,730 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-15 10:50:23,730 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428908178] [2022-02-15 10:50:23,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:23,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-15 10:50:23,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:23,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-15 10:50:23,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-02-15 10:50:23,731 INFO L87 Difference]: Start difference. First operand 3786 states and 13747 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) [2022-02-15 10:50:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:23,847 INFO L93 Difference]: Finished difference Result 6102 states and 22383 transitions. [2022-02-15 10:50:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 10:50:23,847 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 [2022-02-15 10:50:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:23,855 INFO L225 Difference]: With dead ends: 6102 [2022-02-15 10:50:23,855 INFO L226 Difference]: Without dead ends: 2986 [2022-02-15 10:50:23,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-02-15 10:50:23,856 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 104 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:23,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 744 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:50:23,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2022-02-15 10:50:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2022-02-15 10:50:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2985 states have (on average 3.6251256281407036) internal successors, (10821), 2985 states have internal predecessors, (10821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:23,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 10821 transitions. [2022-02-15 10:50:23,905 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 10821 transitions. Word has length 77 [2022-02-15 10:50:23,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:23,905 INFO L470 AbstractCegarLoop]: Abstraction has 2986 states and 10821 transitions. [2022-02-15 10:50:23,906 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) [2022-02-15 10:50:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 10821 transitions. [2022-02-15 10:50:23,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-02-15 10:50:23,910 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 10:50:23,910 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:23,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-15 10:50:23,910 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-15 10:50:23,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 10:50:23,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1155991001, now seen corresponding path program 3 times [2022-02-15 10:50:23,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 10:50:23,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815168208] [2022-02-15 10:50:23,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 10:50:23,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 10:50:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 10:50:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 10:50:23,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 10:50:23,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815168208] [2022-02-15 10:50:23,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815168208] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 10:50:23,978 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 10:50:23,978 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-15 10:50:23,978 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583496666] [2022-02-15 10:50:23,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 10:50:23,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-15 10:50:23,979 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 10:50:23,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-15 10:50:23,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-15 10:50:23,980 INFO L87 Difference]: Start difference. First operand 2986 states and 10821 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 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) [2022-02-15 10:50:24,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 10:50:24,048 INFO L93 Difference]: Finished difference Result 2824 states and 10227 transitions. [2022-02-15 10:50:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-15 10:50:24,048 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 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 [2022-02-15 10:50:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 10:50:24,048 INFO L225 Difference]: With dead ends: 2824 [2022-02-15 10:50:24,048 INFO L226 Difference]: Without dead ends: 0 [2022-02-15 10:50:24,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-02-15 10:50:24,049 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 73 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 10:50:24,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 512 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 10:50:24,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-15 10:50:24,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-15 10:50:24,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-15 10:50:24,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-15 10:50:24,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2022-02-15 10:50:24,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 10:50:24,050 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-15 10:50:24,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 7 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) [2022-02-15 10:50:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-15 10:50:24,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-15 10:50:24,052 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-02-15 10:50:24,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-15 10:50:24,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-15 10:50:24,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-15 10:50:24,053 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-15 10:50:24,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-15 10:50:24,055 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 10:50:24,056 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 10:50:24,056 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 10:50:24,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:50:24 BasicIcfg [2022-02-15 10:50:24,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 10:50:24,059 INFO L158 Benchmark]: Toolchain (without parser) took 13710.57ms. Allocated memory was 200.3MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 150.3MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-15 10:50:24,059 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 10:50:24,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.73ms. Allocated memory is still 200.3MB. Free memory was 150.0MB in the beginning and 163.2MB in the end (delta: -13.1MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-02-15 10:50:24,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.04ms. Allocated memory is still 200.3MB. Free memory was 162.6MB in the beginning and 161.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 10:50:24,060 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 200.3MB. Free memory was 160.5MB in the beginning and 159.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 10:50:24,061 INFO L158 Benchmark]: RCFGBuilder took 332.99ms. Allocated memory is still 200.3MB. Free memory was 159.5MB in the beginning and 145.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-15 10:50:24,061 INFO L158 Benchmark]: TraceAbstraction took 12849.03ms. Allocated memory was 200.3MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 145.3MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-15 10:50:24,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 438.73ms. Allocated memory is still 200.3MB. Free memory was 150.0MB in the beginning and 163.2MB in the end (delta: -13.1MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.04ms. Allocated memory is still 200.3MB. Free memory was 162.6MB in the beginning and 161.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 200.3MB. Free memory was 160.5MB in the beginning and 159.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 332.99ms. Allocated memory is still 200.3MB. Free memory was 159.5MB in the beginning and 145.9MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 12849.03ms. Allocated memory was 200.3MB in the beginning and 5.9GB in the end (delta: 5.7GB). Free memory was 145.3MB in the beginning and 4.6GB in the end (delta: -4.4GB). Peak memory consumption was 1.2GB. 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: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 136 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.7s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2358 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2358 mSDsluCounter, 5973 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4802 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 734 IncrementalHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 1351 mSDtfsCounter, 734 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34179occurred in iteration=0, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 576 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 786 NumberOfCodeBlocks, 786 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 775 ConstructedInterpolants, 0 QuantifiedInterpolants, 3673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-15 10:50:24,091 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...