./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 14:52:19,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 14:52:19,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 14:52:19,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 14:52:19,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 14:52:19,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 14:52:19,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 14:52:19,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 14:52:19,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 14:52:19,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 14:52:19,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 14:52:19,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 14:52:19,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 14:52:19,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 14:52:19,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 14:52:19,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 14:52:19,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 14:52:19,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 14:52:19,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 14:52:19,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 14:52:19,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 14:52:19,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 14:52:19,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 14:52:19,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 14:52:19,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 14:52:19,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 14:52:19,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 14:52:19,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 14:52:19,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 14:52:19,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 14:52:19,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 14:52:19,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 14:52:19,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 14:52:19,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 14:52:19,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 14:52:19,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 14:52:19,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 14:52:19,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 14:52:19,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 14:52:19,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 14:52:19,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 14:52:19,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 14:52:19,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 14:52:19,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 14:52:19,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 14:52:19,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 14:52:19,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 14:52:19,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 14:52:19,643 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 14:52:19,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 14:52:19,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 14:52:19,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 14:52:19,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 14:52:19,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 14:52:19,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 14:52:19,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 14:52:19,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 14:52:19,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 14:52:19,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 14:52:19,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 14:52:19,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 14:52:19,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 14:52:19,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 14:52:19,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 14:52:19,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 14:52:19,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 14:52:19,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 14:52:19,647 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 14:52:19,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 14:52:19,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 14:52:19,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 14:52:19,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d3fedd3393c9ef9037d23202ca807e49e09d9211ff455e3da7db836a65b4737 [2021-11-07 14:52:19,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 14:52:19,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 14:52:19,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 14:52:19,888 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 14:52:19,889 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 14:52:19,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-11-07 14:52:19,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2afbf7af2/0ee1df7cf6cf44da9d58986c494d9e5b/FLAGb923f3717 [2021-11-07 14:52:20,558 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 14:52:20,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-11-07 14:52:20,599 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2afbf7af2/0ee1df7cf6cf44da9d58986c494d9e5b/FLAGb923f3717 [2021-11-07 14:52:20,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2afbf7af2/0ee1df7cf6cf44da9d58986c494d9e5b [2021-11-07 14:52:20,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 14:52:20,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 14:52:20,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 14:52:20,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 14:52:20,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 14:52:20,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:52:20" (1/1) ... [2021-11-07 14:52:20,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99070c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:20, skipping insertion in model container [2021-11-07 14:52:20,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:52:20" (1/1) ... [2021-11-07 14:52:20,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 14:52:21,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 14:52:23,525 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i[367278,367291] [2021-11-07 14:52:23,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 14:52:23,826 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 14:52:24,142 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i[367278,367291] [2021-11-07 14:52:24,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 14:52:24,303 INFO L208 MainTranslator]: Completed translation [2021-11-07 14:52:24,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24 WrapperNode [2021-11-07 14:52:24,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 14:52:24,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 14:52:24,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 14:52:24,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 14:52:24,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:24,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:25,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 14:52:25,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 14:52:25,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 14:52:25,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 14:52:25,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:25,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:25,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:25,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:25,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:26,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:26,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:26,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 14:52:26,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 14:52:26,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 14:52:26,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 14:52:26,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (1/1) ... [2021-11-07 14:52:26,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 14:52:26,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 14:52:26,567 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) [2021-11-07 14:52:26,623 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 [2021-11-07 14:52:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 14:52:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 14:52:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 14:52:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 14:52:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 14:52:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 14:52:26,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure ttm_bo_global_release [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 14:52:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 14:53:06,114 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 14:53:06,119 INFO L299 CfgBuilder]: Removed 8054 assume(true) statements. [2021-11-07 14:53:06,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:53:06 BoogieIcfgContainer [2021-11-07 14:53:06,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 14:53:06,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 14:53:06,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 14:53:06,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 14:53:06,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:52:20" (1/3) ... [2021-11-07 14:53:06,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aeb583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:53:06, skipping insertion in model container [2021-11-07 14:53:06,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:52:24" (2/3) ... [2021-11-07 14:53:06,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aeb583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:53:06, skipping insertion in model container [2021-11-07 14:53:06,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:53:06" (3/3) ... [2021-11-07 14:53:06,132 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--gpu--drm--mgag200--mgag200.ko-entry_point.cil.out.i [2021-11-07 14:53:06,139 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 14:53:06,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 108 error locations. [2021-11-07 14:53:06,197 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 14:53:06,201 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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 [2021-11-07 14:53:06,201 INFO L340 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2021-11-07 14:53:06,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 7010 states, 6901 states have (on average 1.3595131140414434) internal successors, (9382), 7009 states have internal predecessors, (9382), 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) [2021-11-07 14:53:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 14:53:06,279 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:06,279 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:06,280 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:06,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1984148282, now seen corresponding path program 1 times [2021-11-07 14:53:06,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:06,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71925088] [2021-11-07 14:53:06,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:06,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:06,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:06,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71925088] [2021-11-07 14:53:06,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71925088] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:06,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:06,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:53:06,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827943939] [2021-11-07 14:53:06,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:06,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 14:53:06,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:06,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 14:53:06,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 14:53:06,758 INFO L87 Difference]: Start difference. First operand has 7010 states, 6901 states have (on average 1.3595131140414434) internal successors, (9382), 7009 states have internal predecessors, (9382), 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 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:53:06,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:06,931 INFO L93 Difference]: Finished difference Result 14016 states and 18759 transitions. [2021-11-07 14:53:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 14:53:06,933 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-07 14:53:06,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:06,976 INFO L225 Difference]: With dead ends: 14016 [2021-11-07 14:53:06,977 INFO L226 Difference]: Without dead ends: 6968 [2021-11-07 14:53:07,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 14:53:07,004 INFO L933 BasicCegarLoop]: 9188 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9188 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:07,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9188 Invalid, 0 Unknown, 0 Unchecked, 11.95ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 14:53:07,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6968 states. [2021-11-07 14:53:07,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6968 to 6968. [2021-11-07 14:53:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6968 states, 6860 states have (on average 1.3276967930029155) internal successors, (9108), 6967 states have internal predecessors, (9108), 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) [2021-11-07 14:53:07,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6968 states to 6968 states and 9108 transitions. [2021-11-07 14:53:07,205 INFO L78 Accepts]: Start accepts. Automaton has 6968 states and 9108 transitions. Word has length 75 [2021-11-07 14:53:07,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:07,206 INFO L470 AbstractCegarLoop]: Abstraction has 6968 states and 9108 transitions. [2021-11-07 14:53:07,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:53:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 6968 states and 9108 transitions. [2021-11-07 14:53:07,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 14:53:07,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:07,213 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:07,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 14:53:07,213 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:07,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:07,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1202098068, now seen corresponding path program 1 times [2021-11-07 14:53:07,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:07,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039604250] [2021-11-07 14:53:07,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:07,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:07,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:07,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:07,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039604250] [2021-11-07 14:53:07,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039604250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:07,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:07,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:53:07,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227250493] [2021-11-07 14:53:07,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:07,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:07,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:07,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:07,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:07,479 INFO L87 Difference]: Start difference. First operand 6968 states and 9108 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:53:09,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:53:09,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:09,912 INFO L93 Difference]: Finished difference Result 20660 states and 27062 transitions. [2021-11-07 14:53:09,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:09,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-07 14:53:09,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:09,961 INFO L225 Difference]: With dead ends: 20660 [2021-11-07 14:53:09,962 INFO L226 Difference]: Without dead ends: 13755 [2021-11-07 14:53:09,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.75ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:09,979 INFO L933 BasicCegarLoop]: 9105 mSDtfsCounter, 8913 mSDsluCounter, 9089 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2067.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8913 SdHoareTripleChecker+Valid, 18194 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.75ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2181.43ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:09,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8913 Valid, 18194 Invalid, 15 Unknown, 0 Unchecked, 26.75ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2181.43ms Time] [2021-11-07 14:53:09,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13755 states. [2021-11-07 14:53:10,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13755 to 13553. [2021-11-07 14:53:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13553 states, 13445 states have (on average 1.332911863146151) internal successors, (17921), 13552 states have internal predecessors, (17921), 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) [2021-11-07 14:53:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13553 states to 13553 states and 17921 transitions. [2021-11-07 14:53:10,262 INFO L78 Accepts]: Start accepts. Automaton has 13553 states and 17921 transitions. Word has length 75 [2021-11-07 14:53:10,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:10,265 INFO L470 AbstractCegarLoop]: Abstraction has 13553 states and 17921 transitions. [2021-11-07 14:53:10,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:53:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 13553 states and 17921 transitions. [2021-11-07 14:53:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-07 14:53:10,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:10,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:10,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 14:53:10,269 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:10,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:10,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1345510392, now seen corresponding path program 1 times [2021-11-07 14:53:10,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:10,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821126001] [2021-11-07 14:53:10,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:10,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:10,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:10,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821126001] [2021-11-07 14:53:10,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821126001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:10,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:10,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:53:10,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402695959] [2021-11-07 14:53:10,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:10,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:10,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:10,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:10,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:10,461 INFO L87 Difference]: Start difference. First operand 13553 states and 17921 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-07 14:53:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:10,946 INFO L93 Difference]: Finished difference Result 38998 states and 51600 transitions. [2021-11-07 14:53:10,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:10,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2021-11-07 14:53:10,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:11,034 INFO L225 Difference]: With dead ends: 38998 [2021-11-07 14:53:11,034 INFO L226 Difference]: Without dead ends: 25508 [2021-11-07 14:53:11,063 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:11,065 INFO L933 BasicCegarLoop]: 9111 mSDtfsCounter, 8076 mSDsluCounter, 9013 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 135.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8076 SdHoareTripleChecker+Valid, 18124 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.85ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.23ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:11,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8076 Valid, 18124 Invalid, 26 Unknown, 0 Unchecked, 22.85ms Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 150.23ms Time] [2021-11-07 14:53:11,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25508 states. [2021-11-07 14:53:11,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25508 to 25228. [2021-11-07 14:53:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25228 states, 25120 states have (on average 1.3358678343949044) internal successors, (33557), 25227 states have internal predecessors, (33557), 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) [2021-11-07 14:53:11,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25228 states to 25228 states and 33557 transitions. [2021-11-07 14:53:11,792 INFO L78 Accepts]: Start accepts. Automaton has 25228 states and 33557 transitions. Word has length 78 [2021-11-07 14:53:11,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:11,793 INFO L470 AbstractCegarLoop]: Abstraction has 25228 states and 33557 transitions. [2021-11-07 14:53:11,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-07 14:53:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 25228 states and 33557 transitions. [2021-11-07 14:53:11,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-07 14:53:11,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:11,795 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:11,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 14:53:11,795 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:11,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:11,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1731963748, now seen corresponding path program 1 times [2021-11-07 14:53:11,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:11,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630495040] [2021-11-07 14:53:11,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:11,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:12,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:12,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630495040] [2021-11-07 14:53:12,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630495040] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:12,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:12,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:53:12,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896379376] [2021-11-07 14:53:12,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:12,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:12,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:12,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:12,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:12,016 INFO L87 Difference]: Start difference. First operand 25228 states and 33557 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2021-11-07 14:53:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:13,395 INFO L93 Difference]: Finished difference Result 49493 states and 65948 transitions. [2021-11-07 14:53:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:13,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2021-11-07 14:53:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:13,531 INFO L225 Difference]: With dead ends: 49493 [2021-11-07 14:53:13,531 INFO L226 Difference]: Without dead ends: 49341 [2021-11-07 14:53:13,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.03ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:13,561 INFO L933 BasicCegarLoop]: 9080 mSDtfsCounter, 8753 mSDsluCounter, 8643 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 766.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8753 SdHoareTripleChecker+Valid, 17723 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.98ms SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 873.91ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:13,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8753 Valid, 17723 Invalid, 378 Unknown, 0 Unchecked, 23.98ms Time], IncrementalHoareTripleChecker [151 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 873.91ms Time] [2021-11-07 14:53:13,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49341 states. [2021-11-07 14:53:14,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49341 to 49289. [2021-11-07 14:53:14,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49289 states, 49181 states have (on average 1.3328521176877248) internal successors, (65551), 49288 states have internal predecessors, (65551), 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) [2021-11-07 14:53:14,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49289 states to 49289 states and 65551 transitions. [2021-11-07 14:53:14,500 INFO L78 Accepts]: Start accepts. Automaton has 49289 states and 65551 transitions. Word has length 80 [2021-11-07 14:53:14,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:14,500 INFO L470 AbstractCegarLoop]: Abstraction has 49289 states and 65551 transitions. [2021-11-07 14:53:14,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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) [2021-11-07 14:53:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 49289 states and 65551 transitions. [2021-11-07 14:53:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 14:53:14,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:14,501 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:14,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 14:53:14,502 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr102ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:14,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:14,502 INFO L85 PathProgramCache]: Analyzing trace with hash -2143670454, now seen corresponding path program 1 times [2021-11-07 14:53:14,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:14,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625792578] [2021-11-07 14:53:14,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:14,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:14,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:14,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625792578] [2021-11-07 14:53:14,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625792578] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:14,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:14,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:53:14,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597098521] [2021-11-07 14:53:14,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:14,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:14,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:14,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:14,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:14,686 INFO L87 Difference]: Start difference. First operand 49289 states and 65551 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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) [2021-11-07 14:53:15,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:15,334 INFO L93 Difference]: Finished difference Result 49289 states and 65551 transitions. [2021-11-07 14:53:15,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:15,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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 81 [2021-11-07 14:53:15,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:15,432 INFO L225 Difference]: With dead ends: 49289 [2021-11-07 14:53:15,432 INFO L226 Difference]: Without dead ends: 49287 [2021-11-07 14:53:15,454 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.07ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:15,455 INFO L933 BasicCegarLoop]: 9105 mSDtfsCounter, 9027 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9027 SdHoareTripleChecker+Valid, 9105 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.14ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:15,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9027 Valid, 9105 Invalid, 1 Unknown, 0 Unchecked, 9.40ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.14ms Time] [2021-11-07 14:53:15,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49287 states. [2021-11-07 14:53:16,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49287 to 49287. [2021-11-07 14:53:16,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49287 states, 49180 states have (on average 1.332838552257015) internal successors, (65549), 49286 states have internal predecessors, (65549), 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) [2021-11-07 14:53:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49287 states to 49287 states and 65549 transitions. [2021-11-07 14:53:16,651 INFO L78 Accepts]: Start accepts. Automaton has 49287 states and 65549 transitions. Word has length 81 [2021-11-07 14:53:16,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:16,652 INFO L470 AbstractCegarLoop]: Abstraction has 49287 states and 65549 transitions. [2021-11-07 14:53:16,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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) [2021-11-07 14:53:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 49287 states and 65549 transitions. [2021-11-07 14:53:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 14:53:16,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:16,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:16,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 14:53:16,659 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr103ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:16,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:16,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2029246418, now seen corresponding path program 1 times [2021-11-07 14:53:16,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:16,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389450430] [2021-11-07 14:53:16,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:16,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:16,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:16,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389450430] [2021-11-07 14:53:16,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389450430] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:16,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:16,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:53:16,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748480661] [2021-11-07 14:53:16,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:16,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:16,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:16,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:16,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:16,855 INFO L87 Difference]: Start difference. First operand 49287 states and 65549 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:53:17,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:17,657 INFO L93 Difference]: Finished difference Result 49287 states and 65549 transitions. [2021-11-07 14:53:17,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:17,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-07 14:53:17,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:17,750 INFO L225 Difference]: With dead ends: 49287 [2021-11-07 14:53:17,750 INFO L226 Difference]: Without dead ends: 49285 [2021-11-07 14:53:17,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.59ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:17,772 INFO L933 BasicCegarLoop]: 9103 mSDtfsCounter, 9024 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9024 SdHoareTripleChecker+Valid, 9103 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.55ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.04ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:17,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9024 Valid, 9103 Invalid, 1 Unknown, 0 Unchecked, 9.55ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.04ms Time] [2021-11-07 14:53:17,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49285 states. [2021-11-07 14:53:18,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49285 to 49285. [2021-11-07 14:53:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49285 states, 49179 states have (on average 1.3328249862746293) internal successors, (65547), 49284 states have internal predecessors, (65547), 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) [2021-11-07 14:53:18,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49285 states to 49285 states and 65547 transitions. [2021-11-07 14:53:18,842 INFO L78 Accepts]: Start accepts. Automaton has 49285 states and 65547 transitions. Word has length 82 [2021-11-07 14:53:18,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:18,842 INFO L470 AbstractCegarLoop]: Abstraction has 49285 states and 65547 transitions. [2021-11-07 14:53:18,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:53:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 49285 states and 65547 transitions. [2021-11-07 14:53:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 14:53:18,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:18,843 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:18,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 14:53:18,843 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr104ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:18,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:18,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1517898708, now seen corresponding path program 1 times [2021-11-07 14:53:18,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:18,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831437034] [2021-11-07 14:53:18,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:18,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:19,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:19,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831437034] [2021-11-07 14:53:19,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831437034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:19,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:19,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:53:19,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431584195] [2021-11-07 14:53:19,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:19,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:19,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:19,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:19,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:19,013 INFO L87 Difference]: Start difference. First operand 49285 states and 65547 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 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) [2021-11-07 14:53:19,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:19,682 INFO L93 Difference]: Finished difference Result 49285 states and 65547 transitions. [2021-11-07 14:53:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:19,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 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 83 [2021-11-07 14:53:19,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:19,779 INFO L225 Difference]: With dead ends: 49285 [2021-11-07 14:53:19,779 INFO L226 Difference]: Without dead ends: 49283 [2021-11-07 14:53:19,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.50ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:19,804 INFO L933 BasicCegarLoop]: 9101 mSDtfsCounter, 9021 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9021 SdHoareTripleChecker+Valid, 9101 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.10ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:19,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9021 Valid, 9101 Invalid, 1 Unknown, 0 Unchecked, 7.39ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.10ms Time] [2021-11-07 14:53:19,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49283 states. [2021-11-07 14:53:20,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49283 to 49283. [2021-11-07 14:53:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49283 states, 49178 states have (on average 1.3328114197405343) internal successors, (65545), 49282 states have internal predecessors, (65545), 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) [2021-11-07 14:53:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49283 states to 49283 states and 65545 transitions. [2021-11-07 14:53:20,867 INFO L78 Accepts]: Start accepts. Automaton has 49283 states and 65545 transitions. Word has length 83 [2021-11-07 14:53:20,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:20,868 INFO L470 AbstractCegarLoop]: Abstraction has 49283 states and 65545 transitions. [2021-11-07 14:53:20,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 2 states have internal predecessors, (83), 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) [2021-11-07 14:53:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 49283 states and 65545 transitions. [2021-11-07 14:53:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-07 14:53:20,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:20,869 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:20,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 14:53:20,869 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:20,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:20,870 INFO L85 PathProgramCache]: Analyzing trace with hash -189752072, now seen corresponding path program 1 times [2021-11-07 14:53:20,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:20,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863693089] [2021-11-07 14:53:20,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:20,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:21,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:21,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863693089] [2021-11-07 14:53:21,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863693089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:21,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:21,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:53:21,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478961143] [2021-11-07 14:53:21,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:21,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:21,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:21,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:21,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:21,072 INFO L87 Difference]: Start difference. First operand 49283 states and 65545 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:53:22,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:22,043 INFO L93 Difference]: Finished difference Result 49283 states and 65545 transitions. [2021-11-07 14:53:22,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:22,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-11-07 14:53:22,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:22,127 INFO L225 Difference]: With dead ends: 49283 [2021-11-07 14:53:22,127 INFO L226 Difference]: Without dead ends: 49281 [2021-11-07 14:53:22,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.34ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:22,143 INFO L933 BasicCegarLoop]: 9099 mSDtfsCounter, 9018 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9018 SdHoareTripleChecker+Valid, 9099 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.24ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:22,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9018 Valid, 9099 Invalid, 1 Unknown, 0 Unchecked, 8.59ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.24ms Time] [2021-11-07 14:53:22,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49281 states. [2021-11-07 14:53:22,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49281 to 49281. [2021-11-07 14:53:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49281 states, 49177 states have (on average 1.3327978526546962) internal successors, (65543), 49280 states have internal predecessors, (65543), 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) [2021-11-07 14:53:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49281 states to 49281 states and 65543 transitions. [2021-11-07 14:53:23,129 INFO L78 Accepts]: Start accepts. Automaton has 49281 states and 65543 transitions. Word has length 84 [2021-11-07 14:53:23,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:23,130 INFO L470 AbstractCegarLoop]: Abstraction has 49281 states and 65543 transitions. [2021-11-07 14:53:23,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 2 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:53:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 49281 states and 65543 transitions. [2021-11-07 14:53:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-07 14:53:23,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:23,131 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:23,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 14:53:23,131 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:23,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:23,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1587318690, now seen corresponding path program 1 times [2021-11-07 14:53:23,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:23,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813615479] [2021-11-07 14:53:23,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:23,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:23,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:23,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813615479] [2021-11-07 14:53:23,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813615479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:23,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:23,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:53:23,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910501843] [2021-11-07 14:53:23,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:23,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:23,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:23,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:23,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:23,450 INFO L87 Difference]: Start difference. First operand 49281 states and 65543 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 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) [2021-11-07 14:53:25,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:25,608 INFO L93 Difference]: Finished difference Result 138506 states and 184342 transitions. [2021-11-07 14:53:25,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:25,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 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 85 [2021-11-07 14:53:25,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:25,782 INFO L225 Difference]: With dead ends: 138506 [2021-11-07 14:53:25,782 INFO L226 Difference]: Without dead ends: 89288 [2021-11-07 14:53:26,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.04ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:26,031 INFO L933 BasicCegarLoop]: 9115 mSDtfsCounter, 7535 mSDsluCounter, 8585 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 223.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7535 SdHoareTripleChecker+Valid, 17700 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.14ms SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 245.73ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:26,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7535 Valid, 17700 Invalid, 105 Unknown, 0 Unchecked, 14.14ms Time], IncrementalHoareTripleChecker [39 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 245.73ms Time] [2021-11-07 14:53:26,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89288 states. [2021-11-07 14:53:27,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89288 to 88970. [2021-11-07 14:53:27,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88970 states, 88866 states have (on average 1.333715931852452) internal successors, (118522), 88969 states have internal predecessors, (118522), 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) [2021-11-07 14:53:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88970 states to 88970 states and 118522 transitions. [2021-11-07 14:53:28,160 INFO L78 Accepts]: Start accepts. Automaton has 88970 states and 118522 transitions. Word has length 85 [2021-11-07 14:53:28,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:28,160 INFO L470 AbstractCegarLoop]: Abstraction has 88970 states and 118522 transitions. [2021-11-07 14:53:28,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 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) [2021-11-07 14:53:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 88970 states and 118522 transitions. [2021-11-07 14:53:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-07 14:53:28,161 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:28,161 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:28,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 14:53:28,161 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr107ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:28,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:28,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1962210878, now seen corresponding path program 1 times [2021-11-07 14:53:28,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:28,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930519128] [2021-11-07 14:53:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:28,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:28,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:28,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930519128] [2021-11-07 14:53:28,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930519128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:28,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:28,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:53:28,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134093961] [2021-11-07 14:53:28,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:28,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:28,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:28,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:28,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:28,340 INFO L87 Difference]: Start difference. First operand 88970 states and 118522 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 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) [2021-11-07 14:53:30,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:30,046 INFO L93 Difference]: Finished difference Result 88970 states and 118522 transitions. [2021-11-07 14:53:30,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:30,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 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 86 [2021-11-07 14:53:30,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:30,211 INFO L225 Difference]: With dead ends: 88970 [2021-11-07 14:53:30,211 INFO L226 Difference]: Without dead ends: 88960 [2021-11-07 14:53:30,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.60ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:30,242 INFO L933 BasicCegarLoop]: 9098 mSDtfsCounter, 9014 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9014 SdHoareTripleChecker+Valid, 9098 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.89ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:30,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9014 Valid, 9098 Invalid, 0 Unknown, 0 Unchecked, 8.89ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 14:53:30,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88960 states. [2021-11-07 14:53:32,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88960 to 88960. [2021-11-07 14:53:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88960 states, 88857 states have (on average 1.3336709544549108) internal successors, (118506), 88959 states have internal predecessors, (118506), 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) [2021-11-07 14:53:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88960 states to 88960 states and 118506 transitions. [2021-11-07 14:53:32,656 INFO L78 Accepts]: Start accepts. Automaton has 88960 states and 118506 transitions. Word has length 86 [2021-11-07 14:53:32,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:53:32,656 INFO L470 AbstractCegarLoop]: Abstraction has 88960 states and 118506 transitions. [2021-11-07 14:53:32,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 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) [2021-11-07 14:53:32,656 INFO L276 IsEmpty]: Start isEmpty. Operand 88960 states and 118506 transitions. [2021-11-07 14:53:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-07 14:53:32,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:53:32,657 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:53:32,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 14:53:32,658 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 105 more)] === [2021-11-07 14:53:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:53:32,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1381071330, now seen corresponding path program 1 times [2021-11-07 14:53:32,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:53:32,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895811937] [2021-11-07 14:53:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:53:32,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:53:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:53:32,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:53:32,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:53:32,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895811937] [2021-11-07 14:53:32,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895811937] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:53:32,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:53:32,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:53:32,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797882157] [2021-11-07 14:53:32,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:53:32,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:53:32,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:53:32,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:53:32,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:32,794 INFO L87 Difference]: Start difference. First operand 88960 states and 118506 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-07 14:53:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:53:37,191 INFO L93 Difference]: Finished difference Result 266190 states and 354691 transitions. [2021-11-07 14:53:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:53:37,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 93 [2021-11-07 14:53:37,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:53:37,567 INFO L225 Difference]: With dead ends: 266190 [2021-11-07 14:53:37,568 INFO L226 Difference]: Without dead ends: 177293 [2021-11-07 14:53:37,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.07ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:53:37,696 INFO L933 BasicCegarLoop]: 10113 mSDtfsCounter, 8993 mSDsluCounter, 9017 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8993 SdHoareTripleChecker+Valid, 19130 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.20ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.09ms IncrementalHoareTripleChecker+Time [2021-11-07 14:53:37,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8993 Valid, 19130 Invalid, 11 Unknown, 0 Unchecked, 16.20ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 66.09ms Time] [2021-11-07 14:53:37,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177293 states.