./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem16_label28.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b327f04e85816300a772fdcab90c62f95ac5a620d1563dfbe08b64473c277d33 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 22:57:12,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 22:57:12,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 22:57:12,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 22:57:12,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 22:57:12,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 22:57:12,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 22:57:12,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 22:57:12,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 22:57:12,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 22:57:12,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 22:57:12,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 22:57:12,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 22:57:12,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 22:57:12,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 22:57:12,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 22:57:12,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 22:57:12,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 22:57:12,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 22:57:12,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 22:57:12,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 22:57:12,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 22:57:12,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 22:57:12,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 22:57:12,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 22:57:12,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 22:57:12,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 22:57:12,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 22:57:12,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 22:57:12,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 22:57:12,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 22:57:12,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 22:57:12,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 22:57:12,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 22:57:12,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 22:57:12,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 22:57:12,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 22:57:12,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 22:57:12,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 22:57:12,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 22:57:12,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 22:57:12,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 22:57:12,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 22:57:12,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 22:57:12,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 22:57:12,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 22:57:12,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 22:57:12,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 22:57:12,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 22:57:12,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 22:57:12,848 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 22:57:12,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 22:57:12,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 22:57:12,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 22:57:12,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 22:57:12,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 22:57:12,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 22:57:12,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 22:57:12,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 22:57:12,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 22:57:12,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 22:57:12,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 22:57:12,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 22:57:12,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 22:57:12,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 22:57:12,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 22:57:12,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:57:12,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 22:57:12,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 22:57:12,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 22:57:12,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 22:57:12,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 22:57:12,852 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 22:57:12,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 22:57:12,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 22:57:12,853 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 22:57:12,853 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b327f04e85816300a772fdcab90c62f95ac5a620d1563dfbe08b64473c277d33 [2021-12-15 22:57:13,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 22:57:13,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 22:57:13,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 22:57:13,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 22:57:13,105 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 22:57:13,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2021-12-15 22:57:13,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cd1fb7f1/b2b1d04215d7417095afb527eaecdf72/FLAG9ff3ff7c9 [2021-12-15 22:57:13,672 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 22:57:13,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2021-12-15 22:57:13,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cd1fb7f1/b2b1d04215d7417095afb527eaecdf72/FLAG9ff3ff7c9 [2021-12-15 22:57:14,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cd1fb7f1/b2b1d04215d7417095afb527eaecdf72 [2021-12-15 22:57:14,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 22:57:14,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 22:57:14,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 22:57:14,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 22:57:14,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 22:57:14,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:14,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef30c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14, skipping insertion in model container [2021-12-15 22:57:14,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:14,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 22:57:14,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 22:57:14,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label28.c[6890,6903] [2021-12-15 22:57:14,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:57:14,806 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 22:57:14,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label28.c[6890,6903] [2021-12-15 22:57:14,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:57:14,964 INFO L208 MainTranslator]: Completed translation [2021-12-15 22:57:14,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14 WrapperNode [2021-12-15 22:57:14,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 22:57:14,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 22:57:14,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 22:57:14,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 22:57:14,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:14,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,094 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-12-15 22:57:15,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 22:57:15,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 22:57:15,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 22:57:15,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 22:57:15,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 22:57:15,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 22:57:15,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 22:57:15,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 22:57:15,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (1/1) ... [2021-12-15 22:57:15,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:57:15,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:15,209 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) [2021-12-15 22:57:15,232 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 [2021-12-15 22:57:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 22:57:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 22:57:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 22:57:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 22:57:15,332 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 22:57:15,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 22:57:16,706 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 22:57:16,718 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 22:57:16,718 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 22:57:16,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:16 BoogieIcfgContainer [2021-12-15 22:57:16,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 22:57:16,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 22:57:16,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 22:57:16,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 22:57:16,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:57:14" (1/3) ... [2021-12-15 22:57:16,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3158517c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:16, skipping insertion in model container [2021-12-15 22:57:16,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:14" (2/3) ... [2021-12-15 22:57:16,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3158517c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:16, skipping insertion in model container [2021-12-15 22:57:16,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:16" (3/3) ... [2021-12-15 22:57:16,727 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label28.c [2021-12-15 22:57:16,731 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 22:57:16,731 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 22:57:16,775 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 22:57:16,780 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=PETRI_NET, 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 [2021-12-15 22:57:16,780 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 22:57:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-15 22:57:16,811 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:16,811 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] [2021-12-15 22:57:16,812 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:16,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:16,815 INFO L85 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2021-12-15 22:57:16,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:16,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244224693] [2021-12-15 22:57:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:16,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:57:17,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:17,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244224693] [2021-12-15 22:57:17,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244224693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:17,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:17,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:17,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616720212] [2021-12-15 22:57:17,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:17,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:57:17,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:17,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:57:17,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:57:17,044 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:19,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:19,231 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2021-12-15 22:57:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:57:19,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-12-15 22:57:19,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:19,246 INFO L225 Difference]: With dead ends: 1456 [2021-12-15 22:57:19,246 INFO L226 Difference]: Without dead ends: 991 [2021-12-15 22:57:19,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:57:19,251 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 1017 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1017 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 2397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:19,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1017 Valid, 96 Invalid, 2397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-15 22:57:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-12-15 22:57:19,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-12-15 22:57:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.497979797979798) internal successors, (1483), 990 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1483 transitions. [2021-12-15 22:57:19,304 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1483 transitions. Word has length 66 [2021-12-15 22:57:19,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:19,304 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1483 transitions. [2021-12-15 22:57:19,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:19,304 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1483 transitions. [2021-12-15 22:57:19,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-15 22:57:19,309 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:19,310 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:19,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 22:57:19,310 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:19,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:19,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1595869454, now seen corresponding path program 1 times [2021-12-15 22:57:19,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:19,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71268970] [2021-12-15 22:57:19,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:19,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-15 22:57:19,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:19,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71268970] [2021-12-15 22:57:19,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71268970] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:19,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:19,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:57:19,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98327947] [2021-12-15 22:57:19,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:19,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:19,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:19,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:19,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:19,476 INFO L87 Difference]: Start difference. First operand 991 states and 1483 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:20,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:20,462 INFO L93 Difference]: Finished difference Result 2309 states and 3762 transitions. [2021-12-15 22:57:20,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:20,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 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 256 [2021-12-15 22:57:20,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:20,468 INFO L225 Difference]: With dead ends: 2309 [2021-12-15 22:57:20,468 INFO L226 Difference]: Without dead ends: 1649 [2021-12-15 22:57:20,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:20,470 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 343 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:20,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 155 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 22:57:20,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2021-12-15 22:57:20,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2021-12-15 22:57:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1648 states have (on average 1.4453883495145632) internal successors, (2382), 1648 states have internal predecessors, (2382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2382 transitions. [2021-12-15 22:57:20,495 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2382 transitions. Word has length 256 [2021-12-15 22:57:20,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:20,496 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2382 transitions. [2021-12-15 22:57:20,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2382 transitions. [2021-12-15 22:57:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-12-15 22:57:20,501 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:20,501 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:20,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 22:57:20,502 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:20,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:20,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1368875075, now seen corresponding path program 1 times [2021-12-15 22:57:20,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:20,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469587740] [2021-12-15 22:57:20,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:20,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-15 22:57:20,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:20,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469587740] [2021-12-15 22:57:20,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469587740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:20,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:20,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:20,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242325872] [2021-12-15 22:57:20,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:20,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:20,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:20,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:20,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:20,594 INFO L87 Difference]: Start difference. First operand 1649 states and 2382 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:21,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:21,571 INFO L93 Difference]: Finished difference Result 3625 states and 5415 transitions. [2021-12-15 22:57:21,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:21,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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 367 [2021-12-15 22:57:21,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:21,579 INFO L225 Difference]: With dead ends: 3625 [2021-12-15 22:57:21,579 INFO L226 Difference]: Without dead ends: 1978 [2021-12-15 22:57:21,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:21,583 INFO L933 BasicCegarLoop]: 533 mSDtfsCounter, 271 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:21,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 539 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [339 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 22:57:21,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-12-15 22:57:21,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-12-15 22:57:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.1335356600910471) internal successors, (2241), 1977 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2241 transitions. [2021-12-15 22:57:21,619 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2241 transitions. Word has length 367 [2021-12-15 22:57:21,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:21,619 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2241 transitions. [2021-12-15 22:57:21,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:21,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2241 transitions. [2021-12-15 22:57:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-15 22:57:21,624 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:21,625 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:21,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 22:57:21,632 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:21,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:21,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1858080163, now seen corresponding path program 1 times [2021-12-15 22:57:21,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:21,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914125120] [2021-12-15 22:57:21,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:21,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-12-15 22:57:21,798 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:21,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914125120] [2021-12-15 22:57:21,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914125120] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:21,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:21,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:57:21,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757861304] [2021-12-15 22:57:21,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:21,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:21,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:21,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:21,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:21,802 INFO L87 Difference]: Start difference. First operand 1978 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:22,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:22,518 INFO L93 Difference]: Finished difference Result 3954 states and 4508 transitions. [2021-12-15 22:57:22,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:22,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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 385 [2021-12-15 22:57:22,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:22,524 INFO L225 Difference]: With dead ends: 3954 [2021-12-15 22:57:22,524 INFO L226 Difference]: Without dead ends: 2307 [2021-12-15 22:57:22,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:22,531 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 262 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:22,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 31 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:22,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2021-12-15 22:57:22,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2021-12-15 22:57:22,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.092801387684302) internal successors, (2520), 2306 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2520 transitions. [2021-12-15 22:57:22,556 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2520 transitions. Word has length 385 [2021-12-15 22:57:22,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:22,557 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 2520 transitions. [2021-12-15 22:57:22,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2520 transitions. [2021-12-15 22:57:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2021-12-15 22:57:22,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:22,565 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:22,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 22:57:22,565 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:22,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:22,567 INFO L85 PathProgramCache]: Analyzing trace with hash -461925515, now seen corresponding path program 1 times [2021-12-15 22:57:22,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:22,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702487531] [2021-12-15 22:57:22,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:22,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-12-15 22:57:22,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:22,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702487531] [2021-12-15 22:57:22,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702487531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:22,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:22,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:22,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271569995] [2021-12-15 22:57:22,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:22,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:22,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:22,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:22,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:22,749 INFO L87 Difference]: Start difference. First operand 2307 states and 2520 transitions. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:23,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:23,569 INFO L93 Difference]: Finished difference Result 5928 states and 6509 transitions. [2021-12-15 22:57:23,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:23,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 643 [2021-12-15 22:57:23,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:23,580 INFO L225 Difference]: With dead ends: 5928 [2021-12-15 22:57:23,580 INFO L226 Difference]: Without dead ends: 3952 [2021-12-15 22:57:23,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:23,585 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 220 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:23,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 427 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:57:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-12-15 22:57:23,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-12-15 22:57:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0627689192609466) internal successors, (4199), 3951 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4199 transitions. [2021-12-15 22:57:23,629 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4199 transitions. Word has length 643 [2021-12-15 22:57:23,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:23,630 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4199 transitions. [2021-12-15 22:57:23,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4199 transitions. [2021-12-15 22:57:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2021-12-15 22:57:23,642 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:23,642 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:23,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 22:57:23,643 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:23,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:23,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1383802521, now seen corresponding path program 1 times [2021-12-15 22:57:23,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:23,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033460441] [2021-12-15 22:57:23,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:23,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 775 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-12-15 22:57:23,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:23,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033460441] [2021-12-15 22:57:23,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033460441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:23,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:23,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:23,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349373706] [2021-12-15 22:57:23,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:23,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:23,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:23,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:23,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:23,845 INFO L87 Difference]: Start difference. First operand 3952 states and 4199 transitions. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:24,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:24,613 INFO L93 Difference]: Finished difference Result 9218 states and 9907 transitions. [2021-12-15 22:57:24,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:24,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 706 [2021-12-15 22:57:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:24,625 INFO L225 Difference]: With dead ends: 9218 [2021-12-15 22:57:24,625 INFO L226 Difference]: Without dead ends: 5597 [2021-12-15 22:57:24,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:24,630 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 171 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:24,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 432 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-15 22:57:24,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-12-15 22:57:24,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0546819156540386) internal successors, (5902), 5596 states have internal predecessors, (5902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5902 transitions. [2021-12-15 22:57:24,698 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5902 transitions. Word has length 706 [2021-12-15 22:57:24,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:24,699 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 5902 transitions. [2021-12-15 22:57:24,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5902 transitions. [2021-12-15 22:57:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-12-15 22:57:24,704 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:24,705 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:24,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 22:57:24,705 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:24,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:24,705 INFO L85 PathProgramCache]: Analyzing trace with hash -698272103, now seen corresponding path program 1 times [2021-12-15 22:57:24,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:24,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646475622] [2021-12-15 22:57:24,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:24,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 340 proven. 482 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-12-15 22:57:24,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:24,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646475622] [2021-12-15 22:57:24,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646475622] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:24,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724348643] [2021-12-15 22:57:24,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:24,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:24,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:24,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:24,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 22:57:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:25,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:57:25,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2021-12-15 22:57:26,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:26,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724348643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:26,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:26,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 22:57:26,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443823386] [2021-12-15 22:57:26,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:26,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:26,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:26,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:26,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:26,068 INFO L87 Difference]: Start difference. First operand 5597 states and 5902 transitions. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:26,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:26,719 INFO L93 Difference]: Finished difference Result 10863 states and 11471 transitions. [2021-12-15 22:57:26,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:26,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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 731 [2021-12-15 22:57:26,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:26,744 INFO L225 Difference]: With dead ends: 10863 [2021-12-15 22:57:26,744 INFO L226 Difference]: Without dead ends: 5597 [2021-12-15 22:57:26,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 735 GetRequests, 731 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:26,749 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 258 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:26,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:26,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-15 22:57:26,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-12-15 22:57:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.046819156540386) internal successors, (5858), 5596 states have internal predecessors, (5858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5858 transitions. [2021-12-15 22:57:26,877 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5858 transitions. Word has length 731 [2021-12-15 22:57:26,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:26,878 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 5858 transitions. [2021-12-15 22:57:26,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:26,878 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5858 transitions. [2021-12-15 22:57:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2021-12-15 22:57:26,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:26,887 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:26,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-15 22:57:27,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:27,105 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:27,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:27,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1277853278, now seen corresponding path program 1 times [2021-12-15 22:57:27,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:27,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756245948] [2021-12-15 22:57:27,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:27,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 730 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-15 22:57:27,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:27,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756245948] [2021-12-15 22:57:27,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756245948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:27,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:27,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:27,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726427218] [2021-12-15 22:57:27,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:27,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:27,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:27,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:27,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:27,309 INFO L87 Difference]: Start difference. First operand 5597 states and 5858 transitions. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:28,020 INFO L93 Difference]: Finished difference Result 10863 states and 11383 transitions. [2021-12-15 22:57:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:28,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 834 [2021-12-15 22:57:28,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:28,034 INFO L225 Difference]: With dead ends: 10863 [2021-12-15 22:57:28,047 INFO L226 Difference]: Without dead ends: 5597 [2021-12-15 22:57:28,051 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:28,052 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 240 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:28,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 410 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:28,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-15 22:57:28,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5268. [2021-12-15 22:57:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5268 states, 5267 states have (on average 1.0368331118283654) internal successors, (5461), 5267 states have internal predecessors, (5461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5268 states to 5268 states and 5461 transitions. [2021-12-15 22:57:28,178 INFO L78 Accepts]: Start accepts. Automaton has 5268 states and 5461 transitions. Word has length 834 [2021-12-15 22:57:28,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:28,179 INFO L470 AbstractCegarLoop]: Abstraction has 5268 states and 5461 transitions. [2021-12-15 22:57:28,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 5268 states and 5461 transitions. [2021-12-15 22:57:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2021-12-15 22:57:28,190 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:28,191 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:28,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 22:57:28,191 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:28,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:28,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2126635857, now seen corresponding path program 1 times [2021-12-15 22:57:28,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:28,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935461032] [2021-12-15 22:57:28,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:28,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 784 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-15 22:57:28,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:28,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935461032] [2021-12-15 22:57:28,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935461032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:28,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:28,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:28,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418675488] [2021-12-15 22:57:28,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:28,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:28,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:28,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:28,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:28,452 INFO L87 Difference]: Start difference. First operand 5268 states and 5461 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:29,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:29,459 INFO L93 Difference]: Finished difference Result 11850 states and 12329 transitions. [2021-12-15 22:57:29,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:29,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 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 851 [2021-12-15 22:57:29,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:29,479 INFO L225 Difference]: With dead ends: 11850 [2021-12-15 22:57:29,479 INFO L226 Difference]: Without dead ends: 6584 [2021-12-15 22:57:29,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:29,488 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 219 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:29,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 81 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-15 22:57:29,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6584 states. [2021-12-15 22:57:29,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6584 to 6584. [2021-12-15 22:57:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6584 states, 6583 states have (on average 1.0308370044052864) internal successors, (6786), 6583 states have internal predecessors, (6786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6584 states to 6584 states and 6786 transitions. [2021-12-15 22:57:29,574 INFO L78 Accepts]: Start accepts. Automaton has 6584 states and 6786 transitions. Word has length 851 [2021-12-15 22:57:29,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:29,575 INFO L470 AbstractCegarLoop]: Abstraction has 6584 states and 6786 transitions. [2021-12-15 22:57:29,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:29,576 INFO L276 IsEmpty]: Start isEmpty. Operand 6584 states and 6786 transitions. [2021-12-15 22:57:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1218 [2021-12-15 22:57:29,591 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:29,591 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:29,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 22:57:29,592 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:29,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash -530499682, now seen corresponding path program 1 times [2021-12-15 22:57:29,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:29,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766248358] [2021-12-15 22:57:29,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:29,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3004 backedges. 1747 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2021-12-15 22:57:30,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:30,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766248358] [2021-12-15 22:57:30,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766248358] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:30,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:30,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:30,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252027618] [2021-12-15 22:57:30,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:30,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:30,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:30,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:30,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:30,065 INFO L87 Difference]: Start difference. First operand 6584 states and 6786 transitions. Second operand has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:30,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:30,874 INFO L93 Difference]: Finished difference Result 14153 states and 14621 transitions. [2021-12-15 22:57:30,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:30,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 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 1217 [2021-12-15 22:57:30,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:30,889 INFO L225 Difference]: With dead ends: 14153 [2021-12-15 22:57:30,889 INFO L226 Difference]: Without dead ends: 7571 [2021-12-15 22:57:30,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:30,897 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:30,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 437 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:57:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-12-15 22:57:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2021-12-15 22:57:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.0276089828269486) internal successors, (7779), 7570 states have internal predecessors, (7779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7779 transitions. [2021-12-15 22:57:31,024 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7779 transitions. Word has length 1217 [2021-12-15 22:57:31,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:31,025 INFO L470 AbstractCegarLoop]: Abstraction has 7571 states and 7779 transitions. [2021-12-15 22:57:31,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7779 transitions. [2021-12-15 22:57:31,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1236 [2021-12-15 22:57:31,049 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:31,050 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:31,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 22:57:31,051 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:31,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1987271917, now seen corresponding path program 1 times [2021-12-15 22:57:31,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:31,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371101312] [2021-12-15 22:57:31,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:31,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3034 backedges. 2214 proven. 54 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-12-15 22:57:31,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:31,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371101312] [2021-12-15 22:57:31,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371101312] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:31,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969646110] [2021-12-15 22:57:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:31,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:31,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:31,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:31,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 22:57:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:31,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1465 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 22:57:31,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3034 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2021-12-15 22:57:34,727 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:34,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969646110] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:34,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:34,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2021-12-15 22:57:34,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385075727] [2021-12-15 22:57:34,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:34,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:34,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:34,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:34,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:57:34,729 INFO L87 Difference]: Start difference. First operand 7571 states and 7779 transitions. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 2 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:35,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:35,424 INFO L93 Difference]: Finished difference Result 14811 states and 15225 transitions. [2021-12-15 22:57:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:35,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 2 states have internal predecessors, (468), 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 1235 [2021-12-15 22:57:35,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:35,450 INFO L225 Difference]: With dead ends: 14811 [2021-12-15 22:57:35,450 INFO L226 Difference]: Without dead ends: 7571 [2021-12-15 22:57:35,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1243 GetRequests, 1238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:57:35,465 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 87 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:35,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 81 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 22:57:35,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-12-15 22:57:35,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7571. [2021-12-15 22:57:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7571 states, 7570 states have (on average 1.0274768824306473) internal successors, (7778), 7570 states have internal predecessors, (7778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:35,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7571 states to 7571 states and 7778 transitions. [2021-12-15 22:57:35,613 INFO L78 Accepts]: Start accepts. Automaton has 7571 states and 7778 transitions. Word has length 1235 [2021-12-15 22:57:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:35,615 INFO L470 AbstractCegarLoop]: Abstraction has 7571 states and 7778 transitions. [2021-12-15 22:57:35,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 2 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7571 states and 7778 transitions. [2021-12-15 22:57:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1266 [2021-12-15 22:57:35,635 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:35,636 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:35,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 22:57:35,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-15 22:57:35,894 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:35,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1592345588, now seen corresponding path program 1 times [2021-12-15 22:57:35,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:35,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419439043] [2021-12-15 22:57:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:35,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3713 backedges. 1652 proven. 156 refuted. 0 times theorem prover too weak. 1905 trivial. 0 not checked. [2021-12-15 22:57:36,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:36,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419439043] [2021-12-15 22:57:36,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419439043] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:36,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384911337] [2021-12-15 22:57:36,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:36,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:36,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:36,219 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:36,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 22:57:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:36,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1519 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 22:57:36,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3713 backedges. 1808 proven. 0 refuted. 0 times theorem prover too weak. 1905 trivial. 0 not checked. [2021-12-15 22:57:38,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:38,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384911337] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:38,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:38,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-15 22:57:38,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194497628] [2021-12-15 22:57:38,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:38,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:38,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:38,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:38,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:57:38,599 INFO L87 Difference]: Start difference. First operand 7571 states and 7778 transitions. Second operand has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:39,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:39,589 INFO L93 Difference]: Finished difference Result 16456 states and 16919 transitions. [2021-12-15 22:57:39,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:39,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 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 1265 [2021-12-15 22:57:39,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:39,602 INFO L225 Difference]: With dead ends: 16456 [2021-12-15 22:57:39,602 INFO L226 Difference]: Without dead ends: 9216 [2021-12-15 22:57:39,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1269 GetRequests, 1264 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-15 22:57:39,609 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 173 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:39,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 97 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-15 22:57:39,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2021-12-15 22:57:39,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2021-12-15 22:57:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.024525230602279) internal successors, (9441), 9215 states have internal predecessors, (9441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9441 transitions. [2021-12-15 22:57:39,726 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9441 transitions. Word has length 1265 [2021-12-15 22:57:39,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:39,726 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9441 transitions. [2021-12-15 22:57:39,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9441 transitions. [2021-12-15 22:57:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1583 [2021-12-15 22:57:39,745 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:39,746 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:39,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-15 22:57:39,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:39,965 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:39,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:39,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1935705959, now seen corresponding path program 1 times [2021-12-15 22:57:39,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:39,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957256078] [2021-12-15 22:57:39,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:39,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4396 backedges. 3050 proven. 87 refuted. 0 times theorem prover too weak. 1259 trivial. 0 not checked. [2021-12-15 22:57:40,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:40,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957256078] [2021-12-15 22:57:40,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957256078] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:40,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699334383] [2021-12-15 22:57:40,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:40,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:40,558 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:40,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 22:57:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:40,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 22:57:40,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4396 backedges. 3079 proven. 0 refuted. 0 times theorem prover too weak. 1317 trivial. 0 not checked. [2021-12-15 22:57:43,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:43,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699334383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:43,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:43,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 22:57:43,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668858128] [2021-12-15 22:57:43,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:43,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:43,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:43,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:43,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:43,388 INFO L87 Difference]: Start difference. First operand 9216 states and 9441 transitions. Second operand has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:44,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:44,284 INFO L93 Difference]: Finished difference Result 18101 states and 18549 transitions. [2021-12-15 22:57:44,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:44,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 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 1582 [2021-12-15 22:57:44,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:44,317 INFO L225 Difference]: With dead ends: 18101 [2021-12-15 22:57:44,331 INFO L226 Difference]: Without dead ends: 9216 [2021-12-15 22:57:44,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1590 GetRequests, 1586 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:44,339 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 62 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:44,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 431 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:57:44,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2021-12-15 22:57:44,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2021-12-15 22:57:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0243081931633207) internal successors, (9439), 9215 states have internal predecessors, (9439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9439 transitions. [2021-12-15 22:57:44,416 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9439 transitions. Word has length 1582 [2021-12-15 22:57:44,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:44,417 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9439 transitions. [2021-12-15 22:57:44,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9439 transitions. [2021-12-15 22:57:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1753 [2021-12-15 22:57:44,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:44,437 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:44,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-15 22:57:44,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:44,652 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:44,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:44,652 INFO L85 PathProgramCache]: Analyzing trace with hash -171923654, now seen corresponding path program 1 times [2021-12-15 22:57:44,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:44,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141256060] [2021-12-15 22:57:44,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:44,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 5792 backedges. 4416 proven. 128 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2021-12-15 22:57:45,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:45,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141256060] [2021-12-15 22:57:45,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141256060] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:45,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698438112] [2021-12-15 22:57:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:45,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:45,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:45,324 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:45,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-15 22:57:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:45,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 22:57:45,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:47,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5792 backedges. 3118 proven. 0 refuted. 0 times theorem prover too weak. 2674 trivial. 0 not checked. [2021-12-15 22:57:47,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:47,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698438112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:47,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:47,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-12-15 22:57:47,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371101747] [2021-12-15 22:57:47,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:47,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:57:47,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:47,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:57:47,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-15 22:57:47,812 INFO L87 Difference]: Start difference. First operand 9216 states and 9439 transitions. Second operand has 4 states, 4 states have (on average 204.25) internal successors, (817), 4 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:48,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:48,675 INFO L93 Difference]: Finished difference Result 18101 states and 18545 transitions. [2021-12-15 22:57:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:57:48,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 204.25) internal successors, (817), 4 states have internal predecessors, (817), 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 1752 [2021-12-15 22:57:48,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:48,686 INFO L225 Difference]: With dead ends: 18101 [2021-12-15 22:57:48,686 INFO L226 Difference]: Without dead ends: 9216 [2021-12-15 22:57:48,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1761 GetRequests, 1754 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-15 22:57:48,693 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 206 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1435 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:48,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 401 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1435 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:57:48,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states. [2021-12-15 22:57:48,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 9216. [2021-12-15 22:57:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0237655995659252) internal successors, (9434), 9215 states have internal predecessors, (9434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:48,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9434 transitions. [2021-12-15 22:57:48,761 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9434 transitions. Word has length 1752 [2021-12-15 22:57:48,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:48,762 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9434 transitions. [2021-12-15 22:57:48,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 204.25) internal successors, (817), 4 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9434 transitions. [2021-12-15 22:57:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1788 [2021-12-15 22:57:48,783 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:48,783 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:48,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-15 22:57:49,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-15 22:57:49,002 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:49,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1264707456, now seen corresponding path program 1 times [2021-12-15 22:57:49,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:49,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051921619] [2021-12-15 22:57:49,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:49,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6251 backedges. 1852 proven. 0 refuted. 0 times theorem prover too weak. 4399 trivial. 0 not checked. [2021-12-15 22:57:49,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:49,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051921619] [2021-12-15 22:57:49,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051921619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:49,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:57:49,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:57:49,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163523360] [2021-12-15 22:57:49,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:49,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:49,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:49,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:49,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:49,498 INFO L87 Difference]: Start difference. First operand 9216 states and 9434 transitions. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:50,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:50,171 INFO L93 Difference]: Finished difference Result 19746 states and 20273 transitions. [2021-12-15 22:57:50,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:50,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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 1787 [2021-12-15 22:57:50,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:50,183 INFO L225 Difference]: With dead ends: 19746 [2021-12-15 22:57:50,183 INFO L226 Difference]: Without dead ends: 10532 [2021-12-15 22:57:50,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:57:50,192 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 162 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:50,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 429 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:50,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-12-15 22:57:50,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-12-15 22:57:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0225999430253536) internal successors, (10769), 10531 states have internal predecessors, (10769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:50,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 10769 transitions. [2021-12-15 22:57:50,267 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 10769 transitions. Word has length 1787 [2021-12-15 22:57:50,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:50,268 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 10769 transitions. [2021-12-15 22:57:50,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 10769 transitions. [2021-12-15 22:57:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1994 [2021-12-15 22:57:50,325 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:50,326 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:50,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-15 22:57:50,326 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:50,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:50,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1682284543, now seen corresponding path program 1 times [2021-12-15 22:57:50,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:50,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343338146] [2021-12-15 22:57:50,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:50,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7844 backedges. 4445 proven. 1509 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2021-12-15 22:57:50,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:50,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343338146] [2021-12-15 22:57:50,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343338146] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:50,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245715915] [2021-12-15 22:57:50,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:50,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:50,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:50,934 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:50,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-15 22:57:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:51,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 2327 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 22:57:51,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7844 backedges. 4442 proven. 0 refuted. 0 times theorem prover too weak. 3402 trivial. 0 not checked. [2021-12-15 22:57:53,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:53,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245715915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:53,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:53,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-15 22:57:53,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624132461] [2021-12-15 22:57:53,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:53,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:53,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:53,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:53,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:53,736 INFO L87 Difference]: Start difference. First operand 10532 states and 10769 transitions. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:54,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:54,413 INFO L93 Difference]: Finished difference Result 21391 states and 21874 transitions. [2021-12-15 22:57:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:54,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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 1993 [2021-12-15 22:57:54,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:54,424 INFO L225 Difference]: With dead ends: 21391 [2021-12-15 22:57:54,424 INFO L226 Difference]: Without dead ends: 11190 [2021-12-15 22:57:54,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1999 GetRequests, 1995 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:57:54,431 INFO L933 BasicCegarLoop]: 428 mSDtfsCounter, 263 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:54,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [263 Valid, 434 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:54,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2021-12-15 22:57:54,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 11190. [2021-12-15 22:57:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11190 states, 11189 states have (on average 1.0216283850210028) internal successors, (11431), 11189 states have internal predecessors, (11431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11190 states to 11190 states and 11431 transitions. [2021-12-15 22:57:54,514 INFO L78 Accepts]: Start accepts. Automaton has 11190 states and 11431 transitions. Word has length 1993 [2021-12-15 22:57:54,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:54,515 INFO L470 AbstractCegarLoop]: Abstraction has 11190 states and 11431 transitions. [2021-12-15 22:57:54,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 11190 states and 11431 transitions. [2021-12-15 22:57:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2078 [2021-12-15 22:57:54,576 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:54,578 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:54,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-15 22:57:54,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-15 22:57:54,796 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:54,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:54,797 INFO L85 PathProgramCache]: Analyzing trace with hash -2108824152, now seen corresponding path program 1 times [2021-12-15 22:57:54,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:54,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875706200] [2021-12-15 22:57:54,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:54,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 9012 backedges. 4169 proven. 443 refuted. 0 times theorem prover too weak. 4400 trivial. 0 not checked. [2021-12-15 22:57:55,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:55,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875706200] [2021-12-15 22:57:55,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875706200] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:55,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838752275] [2021-12-15 22:57:55,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:55,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:55,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:55,443 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:55,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-15 22:57:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:55,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 2421 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 22:57:55,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:57:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 9012 backedges. 5082 proven. 0 refuted. 0 times theorem prover too weak. 3930 trivial. 0 not checked. [2021-12-15 22:57:57,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:57:57,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838752275] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:57:57,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:57:57,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-15 22:57:57,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830184326] [2021-12-15 22:57:57,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:57:57,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:57:57,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:57:57,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:57:57,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:57:57,554 INFO L87 Difference]: Start difference. First operand 11190 states and 11431 transitions. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:58,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:57:58,206 INFO L93 Difference]: Finished difference Result 25668 states and 26270 transitions. [2021-12-15 22:57:58,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:57:58,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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 2077 [2021-12-15 22:57:58,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:57:58,222 INFO L225 Difference]: With dead ends: 25668 [2021-12-15 22:57:58,235 INFO L226 Difference]: Without dead ends: 14480 [2021-12-15 22:57:58,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2085 GetRequests, 2079 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:57:58,253 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 221 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:57:58,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 430 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 22:57:58,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-12-15 22:57:58,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14151. [2021-12-15 22:57:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0213427561837456) internal successors, (14452), 14150 states have internal predecessors, (14452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14452 transitions. [2021-12-15 22:57:58,421 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14452 transitions. Word has length 2077 [2021-12-15 22:57:58,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:57:58,421 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14452 transitions. [2021-12-15 22:57:58,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:57:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14452 transitions. [2021-12-15 22:57:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2171 [2021-12-15 22:57:58,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:57:58,447 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:57:58,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-15 22:57:58,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:58,664 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:57:58,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:57:58,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1632646794, now seen corresponding path program 1 times [2021-12-15 22:57:58,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:57:58,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010071732] [2021-12-15 22:57:58,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:58,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:57:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9680 backedges. 4382 proven. 523 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2021-12-15 22:57:59,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:57:59,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010071732] [2021-12-15 22:57:59,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010071732] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:57:59,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983215485] [2021-12-15 22:57:59,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:57:59,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:57:59,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:57:59,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:57:59,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-15 22:57:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:57:59,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 2514 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:57:59,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:58:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9680 backedges. 767 proven. 0 refuted. 0 times theorem prover too weak. 8913 trivial. 0 not checked. [2021-12-15 22:58:01,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:58:01,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983215485] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:01,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:58:01,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-15 22:58:01,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254971395] [2021-12-15 22:58:01,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:01,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:01,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:01,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:01,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:58:01,923 INFO L87 Difference]: Start difference. First operand 14151 states and 14452 transitions. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:02,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:02,747 INFO L93 Difference]: Finished difference Result 14811 states and 15114 transitions. [2021-12-15 22:58:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:02,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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 2170 [2021-12-15 22:58:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:02,760 INFO L225 Difference]: With dead ends: 14811 [2021-12-15 22:58:02,760 INFO L226 Difference]: Without dead ends: 14480 [2021-12-15 22:58:02,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2178 GetRequests, 2172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-15 22:58:02,764 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 268 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:02,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 429 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-15 22:58:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-12-15 22:58:02,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14151. [2021-12-15 22:58:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14151 states, 14150 states have (on average 1.0212014134275618) internal successors, (14450), 14150 states have internal predecessors, (14450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:02,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14151 states to 14151 states and 14450 transitions. [2021-12-15 22:58:02,919 INFO L78 Accepts]: Start accepts. Automaton has 14151 states and 14450 transitions. Word has length 2170 [2021-12-15 22:58:02,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:02,920 INFO L470 AbstractCegarLoop]: Abstraction has 14151 states and 14450 transitions. [2021-12-15 22:58:02,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 14151 states and 14450 transitions. [2021-12-15 22:58:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2214 [2021-12-15 22:58:02,954 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:02,955 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:02,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-15 22:58:03,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-15 22:58:03,174 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:03,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:03,175 INFO L85 PathProgramCache]: Analyzing trace with hash -502984965, now seen corresponding path program 1 times [2021-12-15 22:58:03,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:03,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347430773] [2021-12-15 22:58:03,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:03,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10605 backedges. 2006 proven. 0 refuted. 0 times theorem prover too weak. 8599 trivial. 0 not checked. [2021-12-15 22:58:03,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:03,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347430773] [2021-12-15 22:58:03,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347430773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:03,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:58:03,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:58:03,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776077488] [2021-12-15 22:58:03,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:03,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:58:03,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:03,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:58:03,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:58:03,842 INFO L87 Difference]: Start difference. First operand 14151 states and 14450 transitions. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:04,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:04,447 INFO L93 Difference]: Finished difference Result 31261 states and 31960 transitions. [2021-12-15 22:58:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:58:04,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 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 2213 [2021-12-15 22:58:04,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:04,464 INFO L225 Difference]: With dead ends: 31261 [2021-12-15 22:58:04,464 INFO L226 Difference]: Without dead ends: 17112 [2021-12-15 22:58:04,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:58:04,474 INFO L933 BasicCegarLoop]: 417 mSDtfsCounter, 229 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:04,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 423 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 22:58:04,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-12-15 22:58:04,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16454. [2021-12-15 22:58:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.0204218075730869) internal successors, (16789), 16453 states have internal predecessors, (16789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16789 transitions. [2021-12-15 22:58:04,604 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16789 transitions. Word has length 2213 [2021-12-15 22:58:04,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:04,604 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16789 transitions. [2021-12-15 22:58:04,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16789 transitions. [2021-12-15 22:58:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2320 [2021-12-15 22:58:04,634 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:58:04,635 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:04,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-15 22:58:04,635 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:58:04,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:58:04,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1826744757, now seen corresponding path program 1 times [2021-12-15 22:58:04,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:58:04,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665777932] [2021-12-15 22:58:04,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:58:04,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:58:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:58:05,537 INFO L134 CoverageAnalysis]: Checked inductivity of 10091 backedges. 6282 proven. 0 refuted. 0 times theorem prover too weak. 3809 trivial. 0 not checked. [2021-12-15 22:58:05,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:58:05,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665777932] [2021-12-15 22:58:05,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665777932] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:58:05,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:58:05,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 22:58:05,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127173240] [2021-12-15 22:58:05,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:58:05,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 22:58:05,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:58:05,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 22:58:05,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:58:05,541 INFO L87 Difference]: Start difference. First operand 16454 states and 16789 transitions. Second operand has 6 states, 6 states have (on average 146.66666666666666) internal successors, (880), 6 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:07,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:58:07,211 INFO L93 Difference]: Finished difference Result 32264 states and 32932 transitions. [2021-12-15 22:58:07,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 22:58:07,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 146.66666666666666) internal successors, (880), 6 states have internal predecessors, (880), 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 2319 [2021-12-15 22:58:07,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:58:07,213 INFO L225 Difference]: With dead ends: 32264 [2021-12-15 22:58:07,213 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 22:58:07,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-15 22:58:07,229 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 151 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-15 22:58:07,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 430 Invalid, 2515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2494 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-15 22:58:07,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 22:58:07,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 22:58:07,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 22:58:07,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2319 [2021-12-15 22:58:07,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:58:07,231 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 22:58:07,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 146.66666666666666) internal successors, (880), 6 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:58:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 22:58:07,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 22:58:07,233 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 22:58:07,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-15 22:58:07,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 22:58:08,522 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,523 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,524 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,524 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,524 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,524 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,524 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,524 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-15 22:58:08,525 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-15 22:58:08,526 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-15 22:58:08,526 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,526 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,526 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,526 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,526 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,526 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,529 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,529 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,530 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,530 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,530 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,530 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,534 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,534 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,534 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,534 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,534 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,534 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,534 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-15 22:58:08,535 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,536 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-15 22:58:08,537 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse1 (= ~a16~0 9)) (.cse9 (+ ~a18~0 156))) (let ((.cse6 (= ~a12~0 9)) (.cse8 (<= .cse9 0)) (.cse7 (not .cse1)) (.cse4 (= ~a12~0 8)) (.cse0 (= ~a12~0 5)) (.cse5 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3)) (.cse3 (<= 4 ~a15~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4) (and (= ~a12~0 6) .cse5 .cse3) (and .cse1 .cse3 .cse6) (and .cse7 .cse2) (and .cse8 .cse1 .cse2) (and .cse1 .cse3 (= ~a12~0 7)) (and (<= ~a18~0 134) .cse2 (<= 0 (+ ~a18~0 44)) .cse6) (and .cse0 (<= (+ ~a18~0 391209) 0) .cse1 .cse3) (and .cse0 .cse7 .cse8 .cse5 .cse3) (and .cse0 (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse7 .cse5 .cse3) (and .cse1 .cse2 .cse4) (and .cse0 (< 0 .cse9) .cse5 .cse3 (<= (+ ~a18~0 79) 0)) (and (< (div (+ ~a18~0 (- 137)) (- 299932)) 1) .cse1 .cse2) (and (<= ~a16~0 8) .cse3)))) [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,538 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-15 22:58:08,539 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-15 22:58:08,539 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,540 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,541 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,542 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse1 (= ~a16~0 9)) (.cse8 (+ ~a18~0 156))) (let ((.cse7 (<= .cse8 0)) (.cse6 (not .cse1)) (.cse4 (= ~a12~0 8)) (.cse0 (= ~a12~0 5)) (.cse5 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3)) (.cse3 (<= 4 ~a15~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4) (and (= ~a12~0 6) .cse5 .cse3) (and .cse1 .cse3 (= ~a12~0 9)) (and .cse6 .cse2) (and .cse7 .cse1 .cse2) (and .cse1 .cse3 (= ~a12~0 7)) (and .cse0 (<= (+ ~a18~0 391209) 0) .cse1 .cse3) (and .cse0 .cse6 .cse7 .cse5 .cse3) (and .cse0 (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse6 .cse5 .cse3) (and .cse1 .cse2 .cse4) (and .cse0 (< 0 .cse8) .cse5 .cse3 (<= (+ ~a18~0 79) 0)) (and (< (div (+ ~a18~0 (- 137)) (- 299932)) 1) .cse1 .cse2) (and (<= ~a16~0 8) .cse3)))) [2021-12-15 22:58:08,542 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,543 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,548 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,549 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,550 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,551 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,551 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,551 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,551 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,551 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,551 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,551 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,551 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 22:58:08,552 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse1 (= ~a16~0 9)) (.cse9 (+ ~a18~0 156))) (let ((.cse6 (= ~a12~0 9)) (.cse8 (<= .cse9 0)) (.cse7 (not .cse1)) (.cse4 (= ~a12~0 8)) (.cse0 (= ~a12~0 5)) (.cse5 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3)) (.cse3 (<= 4 ~a15~0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4) (and (= ~a12~0 6) .cse5 .cse3) (and .cse1 .cse3 .cse6) (and .cse7 .cse2) (and .cse8 .cse1 .cse2) (and .cse1 .cse3 (= ~a12~0 7)) (and (<= ~a18~0 134) .cse2 (<= 0 (+ ~a18~0 44)) .cse6) (and .cse0 (<= (+ ~a18~0 391209) 0) .cse1 .cse3) (and .cse0 .cse7 .cse8 .cse5 .cse3) (and .cse0 (<= (+ (div ~a18~0 (- 2)) 79) 0) .cse7 .cse5 .cse3) (and .cse1 .cse2 .cse4) (and .cse0 (< 0 .cse9) .cse5 .cse3 (<= (+ ~a18~0 79) 0)) (and (< (div (+ ~a18~0 (- 137)) (- 299932)) 1) .cse1 .cse2) (and (<= ~a16~0 8) .cse3)))) [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,553 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,554 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,555 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,556 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-15 22:58:08,557 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-15 22:58:08,557 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,557 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,557 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,558 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,558 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,558 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,558 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,558 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,559 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,559 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,559 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,559 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,561 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,561 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,561 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-15 22:58:08,561 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,562 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,563 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,563 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,563 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-15 22:58:08,563 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,565 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-15 22:58:08,565 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-15 22:58:08,565 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,565 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,565 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,565 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,565 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,565 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,566 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-15 22:58:08,567 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-15 22:58:08,568 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,569 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,570 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,571 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,572 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-12-15 22:58:08,573 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,574 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,574 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-12-15 22:58:08,574 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-15 22:58:08,574 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-15 22:58:08,574 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-15 22:58:08,580 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:58:08,583 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 22:58:08,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:58:08 BoogieIcfgContainer [2021-12-15 22:58:08,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 22:58:08,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 22:58:08,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 22:58:08,604 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 22:58:08,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:16" (3/4) ... [2021-12-15 22:58:08,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 22:58:08,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-15 22:58:08,631 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 22:58:08,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 22:58:08,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 22:58:08,727 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 22:58:08,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 22:58:08,728 INFO L158 Benchmark]: Toolchain (without parser) took 54534.88ms. Allocated memory was 94.4MB in the beginning and 1.0GB in the end (delta: 935.3MB). Free memory was 58.2MB in the beginning and 669.2MB in the end (delta: -611.0MB). Peak memory consumption was 323.6MB. Max. memory is 16.1GB. [2021-12-15 22:58:08,728 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 22:58:08,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.98ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 58.2MB in the beginning and 51.2MB in the end (delta: 7.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-15 22:58:08,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.54ms. Allocated memory is still 123.7MB. Free memory was 51.2MB in the beginning and 79.3MB in the end (delta: -28.2MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-12-15 22:58:08,729 INFO L158 Benchmark]: Boogie Preprocessor took 76.83ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 66.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 22:58:08,729 INFO L158 Benchmark]: RCFGBuilder took 1548.18ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 66.1MB in the beginning and 88.5MB in the end (delta: -22.4MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-12-15 22:58:08,729 INFO L158 Benchmark]: TraceAbstraction took 51881.43ms. Allocated memory was 186.6MB in the beginning and 1.0GB in the end (delta: 843.1MB). Free memory was 87.5MB in the beginning and 708.4MB in the end (delta: -620.9MB). Peak memory consumption was 663.6MB. Max. memory is 16.1GB. [2021-12-15 22:58:08,730 INFO L158 Benchmark]: Witness Printer took 123.74ms. Allocated memory is still 1.0GB. Free memory was 708.4MB in the beginning and 669.2MB in the end (delta: 39.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 22:58:08,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 94.4MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.98ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 58.2MB in the beginning and 51.2MB in the end (delta: 7.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.54ms. Allocated memory is still 123.7MB. Free memory was 51.2MB in the beginning and 79.3MB in the end (delta: -28.2MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.83ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 66.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1548.18ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 66.1MB in the beginning and 88.5MB in the end (delta: -22.4MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * TraceAbstraction took 51881.43ms. Allocated memory was 186.6MB in the beginning and 1.0GB in the end (delta: 843.1MB). Free memory was 87.5MB in the beginning and 708.4MB in the end (delta: -620.9MB). Peak memory consumption was 663.6MB. Max. memory is 16.1GB. * Witness Printer took 123.74ms. Allocated memory is still 1.0GB. Free memory was 708.4MB in the beginning and 669.2MB in the end (delta: 39.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * 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: 215]: 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 CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 51.8s, OverallIterations: 20, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 18.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5047 SdHoareTripleChecker+Valid, 17.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5047 mSDsluCounter, 6570 SdHoareTripleChecker+Invalid, 14.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141 mSDsCounter, 2287 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18596 IncrementalHoareTripleChecker+Invalid, 20883 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2287 mSolverCounterUnsat, 6429 mSDtfsCounter, 18596 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12898 GetRequests, 12840 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16454occurred in iteration=19, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 1645 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 174 NumberOfFragments, 562 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1071 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2787 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 23.0s InterpolantComputationTime, 37254 NumberOfCodeBlocks, 37254 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 37226 ConstructedInterpolants, 0 QuantifiedInterpolants, 91955 SizeOfPredicates, 1 NumberOfNonLiveVariables, 14977 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 28 InterpolantComputations, 20 PerfectInterpolantSequences, 121663/125045 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 - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((a12 == 5 && a16 == 9) && a15 == 3) || ((a16 == 9 && 4 <= a15) && a12 == 8)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((a16 == 9 && 4 <= a15) && a12 == 9)) || (!(a16 == 9) && a15 == 3)) || ((a18 + 156 <= 0 && a16 == 9) && a15 == 3)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || (((a12 == 5 && a18 + 391209 <= 0) && a16 == 9) && 4 <= a15)) || ((((a12 == 5 && !(a16 == 9)) && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((((a12 == 5 && a18 / -2 + 79 <= 0) && !(a16 == 9)) && a16 <= 11) && 4 <= a15)) || ((a16 == 9 && a15 == 3) && a12 == 8)) || ((((a12 == 5 && 0 < a18 + 156) && a16 <= 11) && 4 <= a15) && a18 + 79 <= 0)) || (((a18 + -137) / -299932 < 1 && a16 == 9) && a15 == 3)) || (a16 <= 8 && 4 <= a15) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((((((a12 == 5 && a16 == 9) && a15 == 3) || ((a16 == 9 && 4 <= a15) && a12 == 8)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((a16 == 9 && 4 <= a15) && a12 == 9)) || (!(a16 == 9) && a15 == 3)) || ((a18 + 156 <= 0 && a16 == 9) && a15 == 3)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || (((a18 <= 134 && a15 == 3) && 0 <= a18 + 44) && a12 == 9)) || (((a12 == 5 && a18 + 391209 <= 0) && a16 == 9) && 4 <= a15)) || ((((a12 == 5 && !(a16 == 9)) && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((((a12 == 5 && a18 / -2 + 79 <= 0) && !(a16 == 9)) && a16 <= 11) && 4 <= a15)) || ((a16 == 9 && a15 == 3) && a12 == 8)) || ((((a12 == 5 && 0 < a18 + 156) && a16 <= 11) && 4 <= a15) && a18 + 79 <= 0)) || (((a18 + -137) / -299932 < 1 && a16 == 9) && a15 == 3)) || (a16 <= 8 && 4 <= a15) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((a12 == 5 && a16 == 9) && a15 == 3) || ((a16 == 9 && 4 <= a15) && a12 == 8)) || ((a12 == 6 && a16 <= 11) && 4 <= a15)) || ((a16 == 9 && 4 <= a15) && a12 == 9)) || (!(a16 == 9) && a15 == 3)) || ((a18 + 156 <= 0 && a16 == 9) && a15 == 3)) || ((a16 == 9 && 4 <= a15) && a12 == 7)) || (((a18 <= 134 && a15 == 3) && 0 <= a18 + 44) && a12 == 9)) || (((a12 == 5 && a18 + 391209 <= 0) && a16 == 9) && 4 <= a15)) || ((((a12 == 5 && !(a16 == 9)) && a18 + 156 <= 0) && a16 <= 11) && 4 <= a15)) || ((((a12 == 5 && a18 / -2 + 79 <= 0) && !(a16 == 9)) && a16 <= 11) && 4 <= a15)) || ((a16 == 9 && a15 == 3) && a12 == 8)) || ((((a12 == 5 && 0 < a18 + 156) && a16 <= 11) && 4 <= a15) && a18 + 79 <= 0)) || (((a18 + -137) / -299932 < 1 && a16 == 9) && a15 == 3)) || (a16 <= 8 && 4 <= a15) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 22:58:08,755 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE