./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.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 bf300fda993e6da191f561c0f8e677f22a7de271b61b51439ca8ec3e0ecdedef --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 03:04:55,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 03:04:55,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 03:04:55,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 03:04:55,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 03:04:55,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 03:04:55,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 03:04:55,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 03:04:55,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 03:04:55,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 03:04:55,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 03:04:55,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 03:04:55,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 03:04:55,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 03:04:55,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 03:04:55,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 03:04:55,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 03:04:55,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 03:04:55,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 03:04:55,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 03:04:55,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 03:04:55,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 03:04:55,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 03:04:55,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 03:04:55,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 03:04:55,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 03:04:55,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 03:04:55,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 03:04:55,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 03:04:55,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 03:04:55,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 03:04:55,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 03:04:55,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 03:04:55,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 03:04:55,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 03:04:55,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 03:04:55,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 03:04:55,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 03:04:55,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 03:04:55,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 03:04:55,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 03:04:55,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 03:04:55,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 03:04:55,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 03:04:55,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 03:04:55,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 03:04:55,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 03:04:55,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 03:04:55,774 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 03:04:55,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 03:04:55,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 03:04:55,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 03:04:55,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 03:04:55,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 03:04:55,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 03:04:55,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 03:04:55,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 03:04:55,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 03:04:55,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 03:04:55,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 03:04:55,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 03:04:55,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 03:04:55,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 03:04:55,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 03:04:55,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 03:04:55,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 03:04:55,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 03:04:55,777 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 03:04:55,778 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 03:04:55,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 03:04:55,779 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 03:04:55,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf300fda993e6da191f561c0f8e677f22a7de271b61b51439ca8ec3e0ecdedef [2021-11-04 03:04:55,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 03:04:55,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 03:04:55,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 03:04:55,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 03:04:55,970 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 03:04:55,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-11-04 03:04:56,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b839acf49/0eb05420e27d44e480f3afb8f82b1633/FLAGc8dab0561 [2021-11-04 03:04:56,561 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 03:04:56,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-11-04 03:04:56,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b839acf49/0eb05420e27d44e480f3afb8f82b1633/FLAGc8dab0561 [2021-11-04 03:04:57,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b839acf49/0eb05420e27d44e480f3afb8f82b1633 [2021-11-04 03:04:57,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 03:04:57,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 03:04:57,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 03:04:57,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 03:04:57,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 03:04:57,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:57,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbf11c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57, skipping insertion in model container [2021-11-04 03:04:57,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:57,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 03:04:57,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 03:04:57,701 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2021-11-04 03:04:57,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 03:04:57,746 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 03:04:57,905 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i[120339,120352] [2021-11-04 03:04:57,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 03:04:57,949 INFO L208 MainTranslator]: Completed translation [2021-11-04 03:04:57,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57 WrapperNode [2021-11-04 03:04:57,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 03:04:57,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 03:04:57,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 03:04:57,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 03:04:57,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:57,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:58,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 03:04:58,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 03:04:58,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 03:04:58,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 03:04:58,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:58,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:58,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:58,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:58,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:58,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:58,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:59,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 03:04:59,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 03:04:59,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 03:04:59,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 03:04:59,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (1/1) ... [2021-11-04 03:04:59,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 03:04:59,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 03:04:59,028 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) [2021-11-04 03:04:59,150 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 [2021-11-04 03:04:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 03:04:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 03:04:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 03:04:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 03:04:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 03:04:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 03:04:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 03:04:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 03:04:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 03:04:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 03:04:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 03:05:01,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 03:05:01,567 INFO L299 CfgBuilder]: Removed 4500 assume(true) statements. [2021-11-04 03:05:01,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 03:05:01 BoogieIcfgContainer [2021-11-04 03:05:01,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 03:05:01,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 03:05:01,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 03:05:01,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 03:05:01,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 03:04:57" (1/3) ... [2021-11-04 03:05:01,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aa1a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 03:05:01, skipping insertion in model container [2021-11-04 03:05:01,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:04:57" (2/3) ... [2021-11-04 03:05:01,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aa1a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 03:05:01, skipping insertion in model container [2021-11-04 03:05:01,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 03:05:01" (3/3) ... [2021-11-04 03:05:01,584 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--pcmcia--pcmcia_rsrc.ko-main.cil.out.i [2021-11-04 03:05:01,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 03:05:01,588 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 132 error locations. [2021-11-04 03:05:01,643 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 03:05:01,648 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 [2021-11-04 03:05:01,648 INFO L340 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2021-11-04 03:05:01,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 4784 states, 4651 states have (on average 1.4203397118899161) internal successors, (6606), 4783 states have internal predecessors, (6606), 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) [2021-11-04 03:05:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-04 03:05:01,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:05:01,712 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 03:05:01,713 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:05:01,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:05:01,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2024417358, now seen corresponding path program 1 times [2021-11-04 03:05:01,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:05:01,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705842197] [2021-11-04 03:05:01,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:05:01,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:05:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:05:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:05:02,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:05:02,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705842197] [2021-11-04 03:05:02,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705842197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:05:02,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:05:02,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:05:02,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763275262] [2021-11-04 03:05:02,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:05:02,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:05:02,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:05:02,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:05:02,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:02,043 INFO L87 Difference]: Start difference. First operand has 4784 states, 4651 states have (on average 1.4203397118899161) internal successors, (6606), 4783 states have internal predecessors, (6606), 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 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-04 03:05:13,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:05:13,307 INFO L93 Difference]: Finished difference Result 14245 states and 19667 transitions. [2021-11-04 03:05:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:05:13,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2021-11-04 03:05:13,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:05:13,352 INFO L225 Difference]: With dead ends: 14245 [2021-11-04 03:05:13,353 INFO L226 Difference]: Without dead ends: 9456 [2021-11-04 03:05:13,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:13,373 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6101 mSDsluCounter, 6233 mSDsCounter, 0 mSdLazyCounter, 12486 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8784.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6101 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.27ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10831.37ms IncrementalHoareTripleChecker+Time [2021-11-04 03:05:13,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6101 Valid, 0 Invalid, 12488 Unknown, 0 Unchecked, 27.27ms Time], IncrementalHoareTripleChecker [2 Valid, 12486 Invalid, 0 Unknown, 0 Unchecked, 10831.37ms Time] [2021-11-04 03:05:13,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9456 states. [2021-11-04 03:05:13,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9456 to 9195. [2021-11-04 03:05:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9195 states, 9063 states have (on average 1.3466843208650556) internal successors, (12205), 9194 states have internal predecessors, (12205), 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) [2021-11-04 03:05:13,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9195 states to 9195 states and 12205 transitions. [2021-11-04 03:05:13,604 INFO L78 Accepts]: Start accepts. Automaton has 9195 states and 12205 transitions. Word has length 15 [2021-11-04 03:05:13,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:05:13,605 INFO L470 AbstractCegarLoop]: Abstraction has 9195 states and 12205 transitions. [2021-11-04 03:05:13,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-04 03:05:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 9195 states and 12205 transitions. [2021-11-04 03:05:13,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-04 03:05:13,609 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:05:13,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 03:05:13,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 03:05:13,610 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr128ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:05:13,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:05:13,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1992557036, now seen corresponding path program 1 times [2021-11-04 03:05:13,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:05:13,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216069802] [2021-11-04 03:05:13,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:05:13,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:05:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:05:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:05:13,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:05:13,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216069802] [2021-11-04 03:05:13,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216069802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:05:13,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:05:13,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:05:13,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764795627] [2021-11-04 03:05:13,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:05:13,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:05:13,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:05:13,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:05:13,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:13,709 INFO L87 Difference]: Start difference. First operand 9195 states and 12205 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-04 03:05:24,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:05:24,732 INFO L93 Difference]: Finished difference Result 27558 states and 36585 transitions. [2021-11-04 03:05:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:05:24,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-11-04 03:05:24,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:05:24,787 INFO L225 Difference]: With dead ends: 27558 [2021-11-04 03:05:24,787 INFO L226 Difference]: Without dead ends: 18366 [2021-11-04 03:05:24,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:24,804 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6211 mSDsluCounter, 6226 mSDsCounter, 0 mSdLazyCounter, 12614 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8630.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6211 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.32ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10591.09ms IncrementalHoareTripleChecker+Time [2021-11-04 03:05:24,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6211 Valid, 0 Invalid, 12617 Unknown, 0 Unchecked, 24.32ms Time], IncrementalHoareTripleChecker [3 Valid, 12614 Invalid, 0 Unknown, 0 Unchecked, 10591.09ms Time] [2021-11-04 03:05:24,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18366 states. [2021-11-04 03:05:25,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18366 to 18110. [2021-11-04 03:05:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18110 states, 17978 states have (on average 1.3488152186005118) internal successors, (24249), 18109 states have internal predecessors, (24249), 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) [2021-11-04 03:05:25,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18110 states to 18110 states and 24249 transitions. [2021-11-04 03:05:25,258 INFO L78 Accepts]: Start accepts. Automaton has 18110 states and 24249 transitions. Word has length 17 [2021-11-04 03:05:25,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:05:25,259 INFO L470 AbstractCegarLoop]: Abstraction has 18110 states and 24249 transitions. [2021-11-04 03:05:25,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-04 03:05:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 18110 states and 24249 transitions. [2021-11-04 03:05:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-04 03:05:25,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:05:25,262 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 03:05:25,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 03:05:25,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:05:25,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:05:25,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1040431043, now seen corresponding path program 1 times [2021-11-04 03:05:25,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:05:25,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299823559] [2021-11-04 03:05:25,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:05:25,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:05:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:05:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:05:25,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:05:25,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299823559] [2021-11-04 03:05:25,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299823559] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:05:25,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:05:25,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:05:25,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121403576] [2021-11-04 03:05:25,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:05:25,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:05:25,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:05:25,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:05:25,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:25,348 INFO L87 Difference]: Start difference. First operand 18110 states and 24249 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-04 03:05:35,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:05:35,634 INFO L93 Difference]: Finished difference Result 50912 states and 68225 transitions. [2021-11-04 03:05:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:05:35,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-11-04 03:05:35,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:05:35,698 INFO L225 Difference]: With dead ends: 50912 [2021-11-04 03:05:35,699 INFO L226 Difference]: Without dead ends: 32805 [2021-11-04 03:05:35,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.22ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:35,728 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 5082 mSDsluCounter, 6229 mSDsCounter, 0 mSdLazyCounter, 12620 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7989.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5082 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.53ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9711.73ms IncrementalHoareTripleChecker+Time [2021-11-04 03:05:35,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5082 Valid, 0 Invalid, 12622 Unknown, 0 Unchecked, 17.53ms Time], IncrementalHoareTripleChecker [2 Valid, 12620 Invalid, 0 Unknown, 0 Unchecked, 9711.73ms Time] [2021-11-04 03:05:35,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32805 states. [2021-11-04 03:05:36,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32805 to 32592. [2021-11-04 03:05:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32592 states, 32460 states have (on average 1.351293900184843) internal successors, (43863), 32591 states have internal predecessors, (43863), 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) [2021-11-04 03:05:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32592 states to 32592 states and 43863 transitions. [2021-11-04 03:05:36,227 INFO L78 Accepts]: Start accepts. Automaton has 32592 states and 43863 transitions. Word has length 17 [2021-11-04 03:05:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:05:36,227 INFO L470 AbstractCegarLoop]: Abstraction has 32592 states and 43863 transitions. [2021-11-04 03:05:36,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-04 03:05:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 32592 states and 43863 transitions. [2021-11-04 03:05:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-04 03:05:36,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:05:36,228 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] [2021-11-04 03:05:36,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 03:05:36,229 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr128ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:05:36,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:05:36,229 INFO L85 PathProgramCache]: Analyzing trace with hash -169690797, now seen corresponding path program 1 times [2021-11-04 03:05:36,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:05:36,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288135784] [2021-11-04 03:05:36,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:05:36,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:05:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:05:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:05:36,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:05:36,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288135784] [2021-11-04 03:05:36,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288135784] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:05:36,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:05:36,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:05:36,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399161514] [2021-11-04 03:05:36,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:05:36,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:05:36,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:05:36,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:05:36,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:36,287 INFO L87 Difference]: Start difference. First operand 32592 states and 43863 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-04 03:05:41,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:05:41,864 INFO L93 Difference]: Finished difference Result 32592 states and 43863 transitions. [2021-11-04 03:05:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:05:41,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-04 03:05:41,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:05:41,926 INFO L225 Difference]: With dead ends: 32592 [2021-11-04 03:05:41,926 INFO L226 Difference]: Without dead ends: 32590 [2021-11-04 03:05:41,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:41,945 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6221 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6240 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4234.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6221 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5241.30ms IncrementalHoareTripleChecker+Time [2021-11-04 03:05:41,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6221 Valid, 0 Invalid, 6240 Unknown, 0 Unchecked, 5.94ms Time], IncrementalHoareTripleChecker [0 Valid, 6240 Invalid, 0 Unknown, 0 Unchecked, 5241.30ms Time] [2021-11-04 03:05:41,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32590 states. [2021-11-04 03:05:42,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32590 to 32590. [2021-11-04 03:05:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32590 states, 32459 states have (on average 1.3512739147848054) internal successors, (43861), 32589 states have internal predecessors, (43861), 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) [2021-11-04 03:05:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32590 states to 32590 states and 43861 transitions. [2021-11-04 03:05:42,470 INFO L78 Accepts]: Start accepts. Automaton has 32590 states and 43861 transitions. Word has length 20 [2021-11-04 03:05:42,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:05:42,470 INFO L470 AbstractCegarLoop]: Abstraction has 32590 states and 43861 transitions. [2021-11-04 03:05:42,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-04 03:05:42,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32590 states and 43861 transitions. [2021-11-04 03:05:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-04 03:05:42,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:05:42,472 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] [2021-11-04 03:05:42,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 03:05:42,472 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr129ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:05:42,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:05:42,472 INFO L85 PathProgramCache]: Analyzing trace with hash -965433378, now seen corresponding path program 1 times [2021-11-04 03:05:42,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:05:42,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931664995] [2021-11-04 03:05:42,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:05:42,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:05:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:05:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:05:42,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:05:42,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931664995] [2021-11-04 03:05:42,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931664995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:05:42,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:05:42,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:05:42,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67334203] [2021-11-04 03:05:42,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:05:42,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:05:42,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:05:42,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:05:42,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:42,516 INFO L87 Difference]: Start difference. First operand 32590 states and 43861 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-04 03:05:48,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:05:48,073 INFO L93 Difference]: Finished difference Result 32590 states and 43861 transitions. [2021-11-04 03:05:48,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:05:48,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2021-11-04 03:05:48,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:05:48,121 INFO L225 Difference]: With dead ends: 32590 [2021-11-04 03:05:48,121 INFO L226 Difference]: Without dead ends: 32588 [2021-11-04 03:05:48,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:48,133 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6218 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4185.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6218 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.90ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5103.71ms IncrementalHoareTripleChecker+Time [2021-11-04 03:05:48,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6218 Valid, 0 Invalid, 6238 Unknown, 0 Unchecked, 5.90ms Time], IncrementalHoareTripleChecker [0 Valid, 6238 Invalid, 0 Unknown, 0 Unchecked, 5103.71ms Time] [2021-11-04 03:05:48,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32588 states. [2021-11-04 03:05:48,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32588 to 32588. [2021-11-04 03:05:48,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32588 states, 32458 states have (on average 1.3512539281533058) internal successors, (43859), 32587 states have internal predecessors, (43859), 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) [2021-11-04 03:05:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32588 states to 32588 states and 43859 transitions. [2021-11-04 03:05:48,634 INFO L78 Accepts]: Start accepts. Automaton has 32588 states and 43859 transitions. Word has length 21 [2021-11-04 03:05:48,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:05:48,634 INFO L470 AbstractCegarLoop]: Abstraction has 32588 states and 43859 transitions. [2021-11-04 03:05:48,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-04 03:05:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32588 states and 43859 transitions. [2021-11-04 03:05:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-04 03:05:48,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:05:48,636 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] [2021-11-04 03:05:48,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 03:05:48,636 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:05:48,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:05:48,637 INFO L85 PathProgramCache]: Analyzing trace with hash 136350397, now seen corresponding path program 1 times [2021-11-04 03:05:48,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:05:48,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417318417] [2021-11-04 03:05:48,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:05:48,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:05:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:05:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:05:48,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:05:48,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417318417] [2021-11-04 03:05:48,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417318417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:05:48,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:05:48,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:05:48,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717203850] [2021-11-04 03:05:48,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:05:48,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:05:48,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:05:48,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:05:48,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:48,684 INFO L87 Difference]: Start difference. First operand 32588 states and 43859 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-04 03:05:54,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:05:54,332 INFO L93 Difference]: Finished difference Result 32588 states and 43859 transitions. [2021-11-04 03:05:54,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:05:54,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2021-11-04 03:05:54,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:05:54,374 INFO L225 Difference]: With dead ends: 32588 [2021-11-04 03:05:54,374 INFO L226 Difference]: Without dead ends: 32586 [2021-11-04 03:05:54,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:54,389 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 6215 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6236 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4225.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6215 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5140.47ms IncrementalHoareTripleChecker+Time [2021-11-04 03:05:54,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6215 Valid, 0 Invalid, 6236 Unknown, 0 Unchecked, 5.94ms Time], IncrementalHoareTripleChecker [0 Valid, 6236 Invalid, 0 Unknown, 0 Unchecked, 5140.47ms Time] [2021-11-04 03:05:54,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32586 states. [2021-11-04 03:05:54,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32586 to 32586. [2021-11-04 03:05:54,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32586 states, 32457 states have (on average 1.3512339402902303) internal successors, (43857), 32585 states have internal predecessors, (43857), 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) [2021-11-04 03:05:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32586 states to 32586 states and 43857 transitions. [2021-11-04 03:05:54,926 INFO L78 Accepts]: Start accepts. Automaton has 32586 states and 43857 transitions. Word has length 22 [2021-11-04 03:05:54,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:05:54,926 INFO L470 AbstractCegarLoop]: Abstraction has 32586 states and 43857 transitions. [2021-11-04 03:05:54,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-04 03:05:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 32586 states and 43857 transitions. [2021-11-04 03:05:54,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-04 03:05:54,927 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:05:54,927 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] [2021-11-04 03:05:54,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 03:05:54,927 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr131ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:05:54,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:05:54,928 INFO L85 PathProgramCache]: Analyzing trace with hash -68090936, now seen corresponding path program 1 times [2021-11-04 03:05:54,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:05:54,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751012617] [2021-11-04 03:05:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:05:54,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:05:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:05:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:05:54,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:05:54,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751012617] [2021-11-04 03:05:54,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751012617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:05:54,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:05:54,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:05:54,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176744467] [2021-11-04 03:05:54,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:05:54,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:05:54,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:05:54,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:05:54,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:05:54,968 INFO L87 Difference]: Start difference. First operand 32586 states and 43857 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-04 03:06:01,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:06:01,742 INFO L93 Difference]: Finished difference Result 64709 states and 87563 transitions. [2021-11-04 03:06:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:06:01,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2021-11-04 03:06:01,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:06:01,792 INFO L225 Difference]: With dead ends: 64709 [2021-11-04 03:06:01,792 INFO L226 Difference]: Without dead ends: 32121 [2021-11-04 03:06:01,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:06:01,833 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 4845 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 8017 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5066.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4845 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.75ms SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 8017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6143.17ms IncrementalHoareTripleChecker+Time [2021-11-04 03:06:01,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4845 Valid, 0 Invalid, 8142 Unknown, 0 Unchecked, 8.75ms Time], IncrementalHoareTripleChecker [125 Valid, 8017 Invalid, 0 Unknown, 0 Unchecked, 6143.17ms Time] [2021-11-04 03:06:01,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32121 states. [2021-11-04 03:06:02,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32121 to 29842. [2021-11-04 03:06:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29842 states, 29770 states have (on average 1.3527040644944575) internal successors, (40270), 29841 states have internal predecessors, (40270), 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) [2021-11-04 03:06:02,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29842 states to 29842 states and 40270 transitions. [2021-11-04 03:06:02,470 INFO L78 Accepts]: Start accepts. Automaton has 29842 states and 40270 transitions. Word has length 23 [2021-11-04 03:06:02,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:06:02,471 INFO L470 AbstractCegarLoop]: Abstraction has 29842 states and 40270 transitions. [2021-11-04 03:06:02,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-11-04 03:06:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 29842 states and 40270 transitions. [2021-11-04 03:06:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-04 03:06:02,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:06:02,474 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 03:06:02,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 03:06:02,474 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:06:02,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:06:02,475 INFO L85 PathProgramCache]: Analyzing trace with hash -872874789, now seen corresponding path program 1 times [2021-11-04 03:06:02,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:06:02,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667538952] [2021-11-04 03:06:02,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:06:02,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:06:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:06:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-04 03:06:02,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:06:02,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667538952] [2021-11-04 03:06:02,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667538952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:06:02,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:06:02,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:06:02,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011724759] [2021-11-04 03:06:02,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:06:02,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:06:02,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:06:02,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:06:02,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:06:02,520 INFO L87 Difference]: Start difference. First operand 29842 states and 40270 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-04 03:06:09,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:06:09,389 INFO L93 Difference]: Finished difference Result 29842 states and 40270 transitions. [2021-11-04 03:06:09,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:06:09,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 37 [2021-11-04 03:06:09,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:06:09,427 INFO L225 Difference]: With dead ends: 29842 [2021-11-04 03:06:09,427 INFO L226 Difference]: Without dead ends: 29083 [2021-11-04 03:06:09,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.16ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:06:09,439 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 1299 mSDsluCounter, 4050 mSDsCounter, 0 mSdLazyCounter, 9639 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5224.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1299 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 9725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.04ms SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 9639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6310.44ms IncrementalHoareTripleChecker+Time [2021-11-04 03:06:09,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1299 Valid, 0 Invalid, 9725 Unknown, 0 Unchecked, 10.04ms Time], IncrementalHoareTripleChecker [86 Valid, 9639 Invalid, 0 Unknown, 0 Unchecked, 6310.44ms Time] [2021-11-04 03:06:09,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29083 states. [2021-11-04 03:06:09,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29083 to 29083. [2021-11-04 03:06:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29083 states, 29059 states have (on average 1.3438521628411164) internal successors, (39051), 29082 states have internal predecessors, (39051), 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) [2021-11-04 03:06:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29083 states to 29083 states and 39051 transitions. [2021-11-04 03:06:09,991 INFO L78 Accepts]: Start accepts. Automaton has 29083 states and 39051 transitions. Word has length 37 [2021-11-04 03:06:09,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:06:09,992 INFO L470 AbstractCegarLoop]: Abstraction has 29083 states and 39051 transitions. [2021-11-04 03:06:09,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-04 03:06:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29083 states and 39051 transitions. [2021-11-04 03:06:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-04 03:06:10,005 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:06:10,005 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] [2021-11-04 03:06:10,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-04 03:06:10,006 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:06:10,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:06:10,006 INFO L85 PathProgramCache]: Analyzing trace with hash -573796920, now seen corresponding path program 1 times [2021-11-04 03:06:10,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:06:10,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791913537] [2021-11-04 03:06:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:06:10,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:06:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:06:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:06:10,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:06:10,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791913537] [2021-11-04 03:06:10,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791913537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:06:10,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:06:10,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:06:10,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388534470] [2021-11-04 03:06:10,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:06:10,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:06:10,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:06:10,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:06:10,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:06:10,061 INFO L87 Difference]: Start difference. First operand 29083 states and 39051 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-04 03:06:19,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:06:19,556 INFO L93 Difference]: Finished difference Result 74659 states and 100339 transitions. [2021-11-04 03:06:19,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:06:19,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 68 [2021-11-04 03:06:19,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:06:19,624 INFO L225 Difference]: With dead ends: 74659 [2021-11-04 03:06:19,631 INFO L226 Difference]: Without dead ends: 45579 [2021-11-04 03:06:19,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.27ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:06:19,669 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3365 mSDsluCounter, 5470 mSDsCounter, 0 mSdLazyCounter, 12077 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7185.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3365 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.36ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8662.28ms IncrementalHoareTripleChecker+Time [2021-11-04 03:06:19,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3365 Valid, 0 Invalid, 12079 Unknown, 0 Unchecked, 12.36ms Time], IncrementalHoareTripleChecker [2 Valid, 12077 Invalid, 0 Unknown, 0 Unchecked, 8662.28ms Time] [2021-11-04 03:06:19,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45579 states. [2021-11-04 03:06:20,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45579 to 45483. [2021-11-04 03:06:20,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45483 states, 45459 states have (on average 1.3461580765085022) internal successors, (61195), 45482 states have internal predecessors, (61195), 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) [2021-11-04 03:06:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45483 states to 45483 states and 61195 transitions. [2021-11-04 03:06:20,608 INFO L78 Accepts]: Start accepts. Automaton has 45483 states and 61195 transitions. Word has length 68 [2021-11-04 03:06:20,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:06:20,608 INFO L470 AbstractCegarLoop]: Abstraction has 45483 states and 61195 transitions. [2021-11-04 03:06:20,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-04 03:06:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 45483 states and 61195 transitions. [2021-11-04 03:06:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-04 03:06:20,624 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:06:20,625 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] [2021-11-04 03:06:20,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-04 03:06:20,625 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr108ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:06:20,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:06:20,625 INFO L85 PathProgramCache]: Analyzing trace with hash -2125139810, now seen corresponding path program 1 times [2021-11-04 03:06:20,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:06:20,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122780863] [2021-11-04 03:06:20,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:06:20,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:06:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:06:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:06:20,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:06:20,673 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122780863] [2021-11-04 03:06:20,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122780863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:06:20,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:06:20,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 03:06:20,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927347505] [2021-11-04 03:06:20,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:06:20,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:06:20,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:06:20,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:06:20,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:06:20,675 INFO L87 Difference]: Start difference. First operand 45483 states and 61195 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-11-04 03:06:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:06:31,556 INFO L93 Difference]: Finished difference Result 111299 states and 149979 transitions. [2021-11-04 03:06:31,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:06:31,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 70 [2021-11-04 03:06:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:06:31,661 INFO L225 Difference]: With dead ends: 111299 [2021-11-04 03:06:31,662 INFO L226 Difference]: Without dead ends: 65819 [2021-11-04 03:06:31,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.12ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 03:06:31,716 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3363 mSDsluCounter, 5470 mSDsCounter, 0 mSdLazyCounter, 14193 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7840.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.91ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9599.89ms IncrementalHoareTripleChecker+Time [2021-11-04 03:06:31,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3363 Valid, 0 Invalid, 14195 Unknown, 0 Unchecked, 13.91ms Time], IncrementalHoareTripleChecker [2 Valid, 14193 Invalid, 0 Unknown, 0 Unchecked, 9599.89ms Time] [2021-11-04 03:06:31,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65819 states. [2021-11-04 03:06:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65819 to 65723. [2021-11-04 03:06:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65723 states, 65699 states have (on average 1.349837897076059) internal successors, (88683), 65722 states have internal predecessors, (88683), 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) [2021-11-04 03:06:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65723 states to 65723 states and 88683 transitions. [2021-11-04 03:06:33,109 INFO L78 Accepts]: Start accepts. Automaton has 65723 states and 88683 transitions. Word has length 70 [2021-11-04 03:06:33,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:06:33,109 INFO L470 AbstractCegarLoop]: Abstraction has 65723 states and 88683 transitions. [2021-11-04 03:06:33,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2021-11-04 03:06:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 65723 states and 88683 transitions. [2021-11-04 03:06:33,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-04 03:06:33,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:06:33,138 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 03:06:33,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-04 03:06:33,139 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:06:33,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:06:33,139 INFO L85 PathProgramCache]: Analyzing trace with hash -214166008, now seen corresponding path program 1 times [2021-11-04 03:06:33,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:06:33,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852577810] [2021-11-04 03:06:33,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:06:33,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:06:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:06:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 03:06:33,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:06:33,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852577810] [2021-11-04 03:06:33,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852577810] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-04 03:06:33,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679850289] [2021-11-04 03:06:33,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:06:33,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 03:06:33,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 03:06:33,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-04 03:06:33,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-04 03:06:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:06:33,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-04 03:06:33,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 03:06:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-04 03:06:33,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-04 03:06:33,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679850289] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:06:33,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-04 03:06:33,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-04 03:06:33,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668128813] [2021-11-04 03:06:33,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:06:33,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 03:06:33,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:06:33,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 03:06:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-04 03:06:33,951 INFO L87 Difference]: Start difference. First operand 65723 states and 88683 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) [2021-11-04 03:06:42,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:06:42,228 INFO L93 Difference]: Finished difference Result 131475 states and 177427 transitions. [2021-11-04 03:06:42,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 03:06:42,228 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 84 [2021-11-04 03:06:42,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:06:42,334 INFO L225 Difference]: With dead ends: 131475 [2021-11-04 03:06:42,334 INFO L226 Difference]: Without dead ends: 65755 [2021-11-04 03:06:42,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 10.74ms TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-04 03:06:42,392 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 5481 mSDsCounter, 0 mSdLazyCounter, 10980 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5763.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.05ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7016.80ms IncrementalHoareTripleChecker+Time [2021-11-04 03:06:42,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 10982 Unknown, 0 Unchecked, 13.05ms Time], IncrementalHoareTripleChecker [2 Valid, 10980 Invalid, 0 Unknown, 0 Unchecked, 7016.80ms Time] [2021-11-04 03:06:42,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65755 states. [2021-11-04 03:06:43,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65755 to 65755. [2021-11-04 03:06:43,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65755 states, 65731 states have (on average 1.3496675845491473) internal successors, (88715), 65754 states have internal predecessors, (88715), 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) [2021-11-04 03:06:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65755 states to 65755 states and 88715 transitions. [2021-11-04 03:06:43,999 INFO L78 Accepts]: Start accepts. Automaton has 65755 states and 88715 transitions. Word has length 84 [2021-11-04 03:06:43,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:06:43,999 INFO L470 AbstractCegarLoop]: Abstraction has 65755 states and 88715 transitions. [2021-11-04 03:06:43,999 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) [2021-11-04 03:06:43,999 INFO L276 IsEmpty]: Start isEmpty. Operand 65755 states and 88715 transitions. [2021-11-04 03:06:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-04 03:06:44,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:06:44,028 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 03:06:44,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-04 03:06:44,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-04 03:06:44,230 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:06:44,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:06:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash 661852998, now seen corresponding path program 1 times [2021-11-04 03:06:44,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:06:44,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859585758] [2021-11-04 03:06:44,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:06:44,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:06:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:06:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-04 03:06:44,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:06:44,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859585758] [2021-11-04 03:06:44,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859585758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:06:44,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:06:44,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-04 03:06:44,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103419688] [2021-11-04 03:06:44,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:06:44,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-04 03:06:44,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:06:44,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-04 03:06:44,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-04 03:06:44,435 INFO L87 Difference]: Start difference. First operand 65755 states and 88715 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 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) [2021-11-04 03:07:34,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 03:07:34,340 INFO L93 Difference]: Finished difference Result 440315 states and 622235 transitions. [2021-11-04 03:07:34,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-04 03:07:34,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 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 84 [2021-11-04 03:07:34,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 03:07:35,281 INFO L225 Difference]: With dead ends: 440315 [2021-11-04 03:07:35,281 INFO L226 Difference]: Without dead ends: 374563 [2021-11-04 03:07:35,423 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 161.90ms TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2021-11-04 03:07:35,423 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 50114 mSDsluCounter, 52254 mSDsCounter, 0 mSdLazyCounter, 63460 mSolverCounterSat, 641 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34661.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 50114 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 64101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 172.26ms SdHoareTripleChecker+Time, 641 IncrementalHoareTripleChecker+Valid, 63460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41236.00ms IncrementalHoareTripleChecker+Time [2021-11-04 03:07:35,424 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50114 Valid, 0 Invalid, 64101 Unknown, 0 Unchecked, 172.26ms Time], IncrementalHoareTripleChecker [641 Valid, 63460 Invalid, 0 Unknown, 0 Unchecked, 41236.00ms Time] [2021-11-04 03:07:35,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374563 states. [2021-11-04 03:07:41,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374563 to 67675. [2021-11-04 03:07:41,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67675 states, 67651 states have (on average 1.3397436844983814) internal successors, (90635), 67674 states have internal predecessors, (90635), 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) [2021-11-04 03:07:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67675 states to 67675 states and 90635 transitions. [2021-11-04 03:07:41,746 INFO L78 Accepts]: Start accepts. Automaton has 67675 states and 90635 transitions. Word has length 84 [2021-11-04 03:07:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 03:07:41,746 INFO L470 AbstractCegarLoop]: Abstraction has 67675 states and 90635 transitions. [2021-11-04 03:07:41,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 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) [2021-11-04 03:07:41,746 INFO L276 IsEmpty]: Start isEmpty. Operand 67675 states and 90635 transitions. [2021-11-04 03:07:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-04 03:07:41,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 03:07:41,773 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 03:07:41,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-04 03:07:41,773 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 129 more)] === [2021-11-04 03:07:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 03:07:41,774 INFO L85 PathProgramCache]: Analyzing trace with hash 936612612, now seen corresponding path program 1 times [2021-11-04 03:07:41,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 03:07:41,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716348659] [2021-11-04 03:07:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 03:07:41,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 03:07:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 03:07:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-04 03:07:41,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 03:07:41,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716348659] [2021-11-04 03:07:41,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716348659] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 03:07:41,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 03:07:41,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-04 03:07:41,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795430924] [2021-11-04 03:07:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 03:07:41,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-04 03:07:41,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 03:07:41,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-04 03:07:41,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-04 03:07:41,939 INFO L87 Difference]: Start difference. First operand 67675 states and 90635 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 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)