./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.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 f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 13:50:33,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 13:50:33,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 13:50:33,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 13:50:33,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 13:50:33,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 13:50:33,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 13:50:33,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 13:50:33,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 13:50:33,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 13:50:33,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 13:50:33,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 13:50:33,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 13:50:33,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 13:50:33,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 13:50:33,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 13:50:33,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 13:50:33,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 13:50:33,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 13:50:33,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 13:50:33,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 13:50:33,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 13:50:33,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 13:50:33,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 13:50:33,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 13:50:33,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 13:50:33,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 13:50:33,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 13:50:33,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 13:50:33,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 13:50:33,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 13:50:33,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 13:50:33,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 13:50:33,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 13:50:33,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 13:50:33,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 13:50:33,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 13:50:33,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 13:50:33,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 13:50:33,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 13:50:33,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 13:50:33,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 13:50:33,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 13:50:33,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 13:50:33,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 13:50:33,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 13:50:33,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 13:50:33,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 13:50:33,831 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 13:50:33,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 13:50:33,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 13:50:33,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 13:50:33,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 13:50:33,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 13:50:33,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 13:50:33,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 13:50:33,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 13:50:33,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 13:50:33,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 13:50:33,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 13:50:33,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 13:50:33,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 13:50:33,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 13:50:33,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 13:50:33,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 13:50:33,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 13:50:33,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 13:50:33,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 13:50:33,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 13:50:33,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 13:50:33,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 13:50:33,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-05 13:50:34,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 13:50:34,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 13:50:34,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 13:50:34,163 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 13:50:34,163 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 13:50:34,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-05 13:50:34,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50df463ab/5f406e6806c845079e89a874c9535428/FLAG8aac0f846 [2021-11-05 13:50:34,811 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 13:50:34,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-05 13:50:34,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50df463ab/5f406e6806c845079e89a874c9535428/FLAG8aac0f846 [2021-11-05 13:50:35,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50df463ab/5f406e6806c845079e89a874c9535428 [2021-11-05 13:50:35,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 13:50:35,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 13:50:35,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 13:50:35,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 13:50:35,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 13:50:35,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:50:35" (1/1) ... [2021-11-05 13:50:35,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1237cfe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:35, skipping insertion in model container [2021-11-05 13:50:35,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:50:35" (1/1) ... [2021-11-05 13:50:35,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 13:50:35,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 13:50:36,554 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-05 13:50:36,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 13:50:36,595 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 13:50:36,840 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-05 13:50:36,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 13:50:36,916 INFO L208 MainTranslator]: Completed translation [2021-11-05 13:50:36,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36 WrapperNode [2021-11-05 13:50:36,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 13:50:36,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 13:50:36,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 13:50:36,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 13:50:36,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:36,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:37,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 13:50:37,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 13:50:37,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 13:50:37,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 13:50:37,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:37,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:37,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:37,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:38,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:38,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:38,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:38,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 13:50:38,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 13:50:38,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 13:50:38,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 13:50:38,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (1/1) ... [2021-11-05 13:50:38,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 13:50:38,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:50:38,745 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) [2021-11-05 13:50:38,815 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 [2021-11-05 13:50:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 13:50:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 13:50:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 13:50:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 13:50:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 13:50:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 13:50:39,388 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-05 13:50:39,420 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-05 13:50:39,496 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-05 13:50:39,516 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-05 13:50:51,265 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1293: assume false; [2021-11-05 13:50:51,265 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1294: assume !false; [2021-11-05 13:50:51,266 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2021-11-05 13:50:51,267 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1288: assume false; [2021-11-05 13:50:51,267 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1289: assume !false; [2021-11-05 13:50:51,268 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1273: assume false; [2021-11-05 13:50:51,268 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1274: assume !false; [2021-11-05 13:50:51,268 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1278: assume false; [2021-11-05 13:50:51,268 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1279: assume !false; [2021-11-05 13:50:51,268 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2509: assume !false; [2021-11-05 13:50:51,268 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2513: assume false; [2021-11-05 13:50:51,268 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2514: assume !false; [2021-11-05 13:50:51,268 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2519: assume !false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2518: assume false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2502: assume !false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2501: assume false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2508: assume false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2591: assume !false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2590: assume false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2595: assume false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2596: assume !false; [2021-11-05 13:50:51,269 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2580: assume !false; [2021-11-05 13:50:51,270 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2584: assume false; [2021-11-05 13:50:51,270 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1253: assume false; [2021-11-05 13:50:51,270 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1254: assume !false; [2021-11-05 13:50:51,270 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2585: assume !false; [2021-11-05 13:50:51,270 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2570: assume !false; [2021-11-05 13:50:51,270 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1243: assume false; [2021-11-05 13:50:51,270 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1244: assume !false; [2021-11-05 13:50:51,271 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2579: assume false; [2021-11-05 13:50:51,271 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1248: assume false; [2021-11-05 13:50:51,271 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1249: assume !false; [2021-11-05 13:50:51,271 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2564: assume false; [2021-11-05 13:50:51,271 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2565: assume !false; [2021-11-05 13:50:51,271 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2569: assume false; [2021-11-05 13:50:51,271 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1222: assume false; [2021-11-05 13:50:51,271 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1223: assume !false; [2021-11-05 13:50:51,272 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1227: assume false; [2021-11-05 13:50:51,272 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1228: assume !false; [2021-11-05 13:50:51,272 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2540: assume !false; [2021-11-05 13:50:51,272 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-05 13:50:51,273 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-05 13:50:51,273 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2544: assume false; [2021-11-05 13:50:51,273 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2545: assume !false; [2021-11-05 13:50:51,273 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume false; [2021-11-05 13:50:51,273 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !false; [2021-11-05 13:50:51,273 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2535: assume !false; [2021-11-05 13:50:51,274 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2534: assume false; [2021-11-05 13:50:51,274 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1205: assume false; [2021-11-05 13:50:51,274 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1206: assume !false; [2021-11-05 13:50:51,274 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2539: assume false; [2021-11-05 13:50:51,274 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1180: assume false; [2021-11-05 13:50:51,274 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1181: assume !false; [2021-11-05 13:50:51,275 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1185: assume false; [2021-11-05 13:50:51,275 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1186: assume !false; [2021-11-05 13:50:51,275 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1170: assume !false; [2021-11-05 13:50:51,275 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume false; [2021-11-05 13:50:51,275 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !false; [2021-11-05 13:50:51,275 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-05 13:50:51,275 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2496: assume false; [2021-11-05 13:50:51,275 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2497: assume !false; [2021-11-05 13:50:51,276 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1169: assume false; [2021-11-05 13:50:51,276 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1154: assume false; [2021-11-05 13:50:51,276 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1155: assume !false; [2021-11-05 13:50:51,276 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-05 13:50:51,276 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3712: assume !false; [2021-11-05 13:50:51,276 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3711: assume false; [2021-11-05 13:50:51,276 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3701: assume false; [2021-11-05 13:50:51,276 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3702: assume !false; [2021-11-05 13:50:51,277 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3707: assume !false; [2021-11-05 13:50:51,277 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3706: assume false; [2021-11-05 13:50:51,277 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2472: assume !false; [2021-11-05 13:50:51,278 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2471: assume false; [2021-11-05 13:50:51,278 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2476: assume false; [2021-11-05 13:50:51,278 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2477: assume !false; [2021-11-05 13:50:51,278 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2461: assume !false; [2021-11-05 13:50:51,278 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2460: assume false; [2021-11-05 13:50:51,278 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2465: assume false; [2021-11-05 13:50:51,279 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2466: assume !false; [2021-11-05 13:50:51,279 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2450: assume false; [2021-11-05 13:50:51,279 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3783: assume !false; [2021-11-05 13:50:51,279 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2451: assume !false; [2021-11-05 13:50:51,280 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3782: assume false; [2021-11-05 13:50:51,280 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3787: assume false; [2021-11-05 13:50:51,280 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3788: assume !false; [2021-11-05 13:50:51,280 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2445: assume false; [2021-11-05 13:50:51,280 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2446: assume !false; [2021-11-05 13:50:51,281 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1100: assume !false; [2021-11-05 13:50:51,281 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3763: assume !false; [2021-11-05 13:50:51,281 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3762: assume false; [2021-11-05 13:50:51,281 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3752: assume !false; [2021-11-05 13:50:51,281 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3751: assume false; [2021-11-05 13:50:51,281 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3758: assume !false; [2021-11-05 13:50:51,281 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3757: assume false; [2021-11-05 13:50:51,282 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3747: assume !false; [2021-11-05 13:50:51,282 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3746: assume false; [2021-11-05 13:50:51,282 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3732: assume !false; [2021-11-05 13:50:51,282 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3731: assume false; [2021-11-05 13:50:51,282 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3736: assume false; [2021-11-05 13:50:51,282 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3737: assume !false; [2021-11-05 13:50:51,283 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1090: assume false; [2021-11-05 13:50:51,283 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1091: assume !false; [2021-11-05 13:50:51,285 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1099: assume false; [2021-11-05 13:50:51,285 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1081: assume false; [2021-11-05 13:50:51,285 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1082: assume !false; [2021-11-05 13:50:51,285 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2391: assume !false; [2021-11-05 13:50:51,286 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2390: assume false; [2021-11-05 13:50:51,286 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2382: assume !false; [2021-11-05 13:50:51,286 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2381: assume false; [2021-11-05 13:50:51,286 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1057: assume false; [2021-11-05 13:50:51,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1058: assume !false; [2021-11-05 13:50:51,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2373: assume !false; [2021-11-05 13:50:51,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2372: assume false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3680: assume false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3681: assume !false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3686: assume !false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3685: assume false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3675: assume false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3676: assume !false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2348: assume false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2349: assume !false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3664: assume !false; [2021-11-05 13:50:51,292 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3663: assume false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3668: assume false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3669: assume !false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3644: assume !false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3643: assume false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3633: assume !false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3632: assume false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3639: assume !false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3638: assume false; [2021-11-05 13:50:51,293 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3628: assume !false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3627: assume false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3613: assume !false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3612: assume false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3617: assume false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3618: assume !false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2281: assume !false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2280: assume false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2021-11-05 13:50:51,294 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2021-11-05 13:50:51,295 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3558: assume !false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3557: assume false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3540: assume !false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3549: assume !false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3548: assume false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3539: assume false; [2021-11-05 13:50:51,296 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3516: assume !false; [2021-11-05 13:50:51,297 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3515: assume false; [2021-11-05 13:50:51,297 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1705: assume false; [2021-11-05 13:50:51,297 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2975: assume false; [2021-11-05 13:50:51,297 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2976: assume !false; [2021-11-05 13:50:51,297 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1681: assume false; [2021-11-05 13:50:51,297 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1682: assume !false; [2021-11-05 13:50:51,297 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2021-11-05 13:50:51,297 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1304: assume false; [2021-11-05 13:50:51,298 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1305: assume !false; [2021-11-05 13:50:51,298 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2621: assume !false; [2021-11-05 13:50:51,298 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2620: assume false; [2021-11-05 13:50:51,303 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2616: assume !false; [2021-11-05 13:50:51,303 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2615: assume false; [2021-11-05 13:50:51,303 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume !false; [2021-11-05 13:50:51,304 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume false; [2021-11-05 13:50:51,304 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume false; [2021-11-05 13:50:51,305 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume !false; [2021-11-05 13:50:51,305 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-11-05 13:50:51,305 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-11-05 13:50:51,305 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1330: assume !false; [2021-11-05 13:50:51,305 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-11-05 13:50:51,305 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1324: assume false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1325: assume !false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume !false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1329: assume false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4370: assume false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4371: assume !false; [2021-11-05 13:50:51,306 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4376: assume !false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4375: assume false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4361: assume !false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4360: assume false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4355: assume false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4356: assume !false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4330: assume false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4331: assume !false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4336: assume !false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4335: assume false; [2021-11-05 13:50:51,307 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4325: assume false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4326: assume !false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4310: assume !false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4300: assume !false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4304: assume false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4305: assume !false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4309: assume false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4381: assume false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4382: assume !false; [2021-11-05 13:50:51,308 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4387: assume !false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4386: assume false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume !false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##266: assume false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##272: assume !false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume !false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##278: assume false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume false; [2021-11-05 13:50:51,309 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume !false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume !false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##215: assume false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##236: assume !false; [2021-11-05 13:50:51,310 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##235: assume false; [2021-11-05 13:50:51,311 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-05 13:50:51,314 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-05 13:50:51,314 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2021-11-05 13:50:51,314 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2021-11-05 13:50:51,314 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4251: assume false; [2021-11-05 13:50:51,315 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4252: assume !false; [2021-11-05 13:50:51,315 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4256: assume false; [2021-11-05 13:50:51,315 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4257: assume !false; [2021-11-05 13:50:51,315 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4241: assume false; [2021-11-05 13:50:51,315 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4242: assume !false; [2021-11-05 13:50:51,316 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##305: assume !false; [2021-11-05 13:50:51,316 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume false; [2021-11-05 13:50:51,316 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##309: assume false; [2021-11-05 13:50:51,316 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4237: assume !false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4236: assume false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##310: assume !false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##315: assume !false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##314: assume false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4292: assume false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4293: assume !false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4299: assume false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4288: assume !false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4287: assume false; [2021-11-05 13:50:51,317 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4262: assume false; [2021-11-05 13:50:51,318 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4263: assume !false; [2021-11-05 13:50:51,318 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4267: assume false; [2021-11-05 13:50:51,318 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4268: assume !false; [2021-11-05 13:50:51,319 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##386: assume !false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume false; [2021-11-05 13:50:51,320 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##350: assume !false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##355: assume !false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4139: assume false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4181: assume false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4182: assume !false; [2021-11-05 13:50:51,321 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4172: assume false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4173: assume !false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4163: assume false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4164: assume !false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4140: assume !false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##518: assume !false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##517: assume false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-11-05 13:50:51,322 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##676: assume !false; [2021-11-05 13:50:51,323 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##675: assume false; [2021-11-05 13:50:51,323 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-05 13:50:51,323 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-05 13:50:51,323 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##766: assume !false; [2021-11-05 13:50:51,323 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume false; [2021-11-05 13:50:51,323 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume !false; [2021-11-05 13:50:51,323 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##770: assume false; [2021-11-05 13:50:51,323 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##791: assume !false; [2021-11-05 13:50:51,324 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume false; [2021-11-05 13:50:51,324 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##796: assume !false; [2021-11-05 13:50:51,324 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##795: assume false; [2021-11-05 13:50:51,324 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3372: assume false; [2021-11-05 13:50:51,324 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3373: assume !false; [2021-11-05 13:50:51,325 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3367: assume false; [2021-11-05 13:50:51,325 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3368: assume !false; [2021-11-05 13:50:51,325 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##739: assume false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##740: assume !false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##745: assume !false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##744: assume false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3343: assume !false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3342: assume false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3347: assume false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3348: assume !false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##755: assume !false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##754: assume false; [2021-11-05 13:50:51,326 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##759: assume false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3332: assume !false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3331: assume false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3336: assume false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##760: assume !false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3337: assume !false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3321: assume false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3322: assume !false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3316: assume false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3317: assume !false; [2021-11-05 13:50:51,327 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##889: assume false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3286: assume false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3287: assume !false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##890: assume !false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3271: assume !false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3270: assume false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3260: assume false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3261: assume !false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3266: assume !false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3265: assume false; [2021-11-05 13:50:51,328 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3253: assume false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3254: assume !false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3248: assume false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3249: assume !false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##859: assume !false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##858: assume false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##863: assume false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##864: assume !false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3224: assume !false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3223: assume false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3228: assume false; [2021-11-05 13:50:51,329 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3229: assume !false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##878: assume false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##879: assume !false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3213: assume !false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3212: assume false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3217: assume false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3218: assume !false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##885: assume !false; [2021-11-05 13:50:51,330 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##884: assume false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##803: assume !false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##808: assume !false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##807: assume false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##812: assume false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##813: assume !false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##829: assume !false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##828: assume false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##834: assume !false; [2021-11-05 13:50:51,331 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##833: assume false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##838: assume false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##839: assume !false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3291: assume false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3292: assume !false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3297: assume !false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3296: assume false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3202: assume false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3203: assume !false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3143: assume !false; [2021-11-05 13:50:51,332 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3142: assume false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3134: assume !false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3133: assume false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3125: assume !false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3124: assume false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3198: assume !false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3197: assume false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##915: assume !false; [2021-11-05 13:50:51,333 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##914: assume false; [2021-11-05 13:50:51,334 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4411: assume false; [2021-11-05 13:50:51,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4412: assume !false; [2021-11-05 13:50:51,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4406: assume false; [2021-11-05 13:50:51,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4407: assume !false; [2021-11-05 13:50:51,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1948: assume false; [2021-11-05 13:50:51,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1949: assume !false; [2021-11-05 13:50:51,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1953: assume false; [2021-11-05 13:50:51,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1954: assume !false; [2021-11-05 13:50:51,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1928: assume false; [2021-11-05 13:50:51,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1929: assume !false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1917: assume false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1918: assume !false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1923: assume false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1924: assume !false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1912: assume false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1913: assume !false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1902: assume false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1903: assume !false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1897: assume false; [2021-11-05 13:50:51,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1898: assume !false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1872: assume false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1873: assume !false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1877: assume false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1878: assume !false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1867: assume false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1868: assume !false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1851: assume false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1852: assume !false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1841: assume false; [2021-11-05 13:50:51,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1842: assume !false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1846: assume false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1847: assume !false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1829: assume false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1830: assume !false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1834: assume false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1835: assume !false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1805: assume !false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1809: assume false; [2021-11-05 13:50:51,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1810: assume !false; [2021-11-05 13:50:51,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1804: assume false; [2021-11-05 13:50:51,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1783: assume false; [2021-11-05 13:50:51,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1784: assume !false; [2021-11-05 13:50:51,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1778: assume false; [2021-11-05 13:50:51,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1779: assume !false; [2021-11-05 13:50:51,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1723: assume false; [2021-11-05 13:50:51,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1724: assume !false; [2021-11-05 13:50:51,349 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1706: assume !false; [2021-11-05 13:50:51,349 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1714: assume false; [2021-11-05 13:50:51,349 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1715: assume !false; [2021-11-05 13:50:51,349 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1793: assume false; [2021-11-05 13:50:51,349 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1794: assume !false; [2021-11-05 13:50:51,349 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1798: assume false; [2021-11-05 13:50:51,349 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1799: assume !false; [2021-11-05 13:50:51,372 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 13:50:51,372 INFO L299 CfgBuilder]: Removed 4253 assume(true) statements. [2021-11-05 13:50:51,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:50:51 BoogieIcfgContainer [2021-11-05 13:50:51,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 13:50:51,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 13:50:51,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 13:50:51,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 13:50:51,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:50:35" (1/3) ... [2021-11-05 13:50:51,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d6323a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:50:51, skipping insertion in model container [2021-11-05 13:50:51,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:50:36" (2/3) ... [2021-11-05 13:50:51,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d6323a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:50:51, skipping insertion in model container [2021-11-05 13:50:51,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:50:51" (3/3) ... [2021-11-05 13:50:51,385 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-05 13:50:51,390 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 13:50:51,390 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-05 13:50:51,440 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 13:50:51,446 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 [2021-11-05 13:50:51,446 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-05 13:50:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 4472 states, 4452 states have (on average 1.36455525606469) internal successors, (6075), 4471 states have internal predecessors, (6075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-05 13:50:51,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:50:51,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:50:51,514 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:50:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:50:51,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1415825750, now seen corresponding path program 1 times [2021-11-05 13:50:51,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:50:51,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759750315] [2021-11-05 13:50:51,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:51,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:50:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:51,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:50:51,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759750315] [2021-11-05 13:50:51,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759750315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:50:51,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:50:51,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 13:50:51,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201974225] [2021-11-05 13:50:51,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:50:51,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 13:50:51,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:50:51,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 13:50:51,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:50:51,873 INFO L87 Difference]: Start difference. First operand has 4472 states, 4452 states have (on average 1.36455525606469) internal successors, (6075), 4471 states have internal predecessors, (6075), 0 states have call successors, (0), 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 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:52,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:50:52,338 INFO L93 Difference]: Finished difference Result 12890 states and 17676 transitions. [2021-11-05 13:50:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 13:50:52,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-11-05 13:50:52,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:50:52,382 INFO L225 Difference]: With dead ends: 12890 [2021-11-05 13:50:52,382 INFO L226 Difference]: Without dead ends: 8380 [2021-11-05 13:50:52,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:50:52,399 INFO L933 BasicCegarLoop]: 5781 mSDtfsCounter, 5555 mSDsluCounter, 5460 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5555 SdHoareTripleChecker+Valid, 11241 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.06ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 157.02ms IncrementalHoareTripleChecker+Time [2021-11-05 13:50:52,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5555 Valid, 11241 Invalid, 107 Unknown, 0 Unchecked, 28.06ms Time], IncrementalHoareTripleChecker [19 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 157.02ms Time] [2021-11-05 13:50:52,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8380 states. [2021-11-05 13:50:52,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8380 to 8344. [2021-11-05 13:50:52,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8344 states, 8325 states have (on average 1.317957957957958) internal successors, (10972), 8343 states have internal predecessors, (10972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8344 states to 8344 states and 10972 transitions. [2021-11-05 13:50:52,624 INFO L78 Accepts]: Start accepts. Automaton has 8344 states and 10972 transitions. Word has length 9 [2021-11-05 13:50:52,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:50:52,625 INFO L470 AbstractCegarLoop]: Abstraction has 8344 states and 10972 transitions. [2021-11-05 13:50:52,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 8344 states and 10972 transitions. [2021-11-05 13:50:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-05 13:50:52,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:50:52,628 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] [2021-11-05 13:50:52,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 13:50:52,628 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:50:52,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:50:52,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1041648290, now seen corresponding path program 1 times [2021-11-05 13:50:52,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:50:52,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952232261] [2021-11-05 13:50:52,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:52,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:50:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:52,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:50:52,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952232261] [2021-11-05 13:50:52,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952232261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:50:52,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:50:52,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:50:52,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407236181] [2021-11-05 13:50:52,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:50:52,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:50:52,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:50:52,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:50:52,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:50:52,702 INFO L87 Difference]: Start difference. First operand 8344 states and 10972 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:53,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:50:53,008 INFO L93 Difference]: Finished difference Result 16625 states and 21866 transitions. [2021-11-05 13:50:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:50:53,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 29 [2021-11-05 13:50:53,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:50:53,035 INFO L225 Difference]: With dead ends: 16625 [2021-11-05 13:50:53,035 INFO L226 Difference]: Without dead ends: 8344 [2021-11-05 13:50:53,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.25ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:50:53,049 INFO L933 BasicCegarLoop]: 5561 mSDtfsCounter, 1 mSDsluCounter, 11114 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16675 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.27ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.19ms IncrementalHoareTripleChecker+Time [2021-11-05 13:50:53,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 16675 Invalid, 10 Unknown, 0 Unchecked, 15.27ms Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 6.19ms Time] [2021-11-05 13:50:53,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8344 states. [2021-11-05 13:50:53,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8344 to 8344. [2021-11-05 13:50:53,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8344 states, 8325 states have (on average 1.3177177177177177) internal successors, (10970), 8343 states have internal predecessors, (10970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8344 states to 8344 states and 10970 transitions. [2021-11-05 13:50:53,216 INFO L78 Accepts]: Start accepts. Automaton has 8344 states and 10970 transitions. Word has length 29 [2021-11-05 13:50:53,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:50:53,217 INFO L470 AbstractCegarLoop]: Abstraction has 8344 states and 10970 transitions. [2021-11-05 13:50:53,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 8344 states and 10970 transitions. [2021-11-05 13:50:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-05 13:50:53,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:50:53,219 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] [2021-11-05 13:50:53,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 13:50:53,220 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:50:53,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:50:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash -216111537, now seen corresponding path program 1 times [2021-11-05 13:50:53,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:50:53,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181803048] [2021-11-05 13:50:53,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:53,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:50:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:53,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:50:53,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181803048] [2021-11-05 13:50:53,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181803048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:50:53,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:50:53,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 13:50:53,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539662358] [2021-11-05 13:50:53,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:50:53,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 13:50:53,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:50:53,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 13:50:53,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:50:53,285 INFO L87 Difference]: Start difference. First operand 8344 states and 10970 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:53,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:50:53,446 INFO L93 Difference]: Finished difference Result 16680 states and 21930 transitions. [2021-11-05 13:50:53,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 13:50:53,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2021-11-05 13:50:53,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:50:53,472 INFO L225 Difference]: With dead ends: 16680 [2021-11-05 13:50:53,472 INFO L226 Difference]: Without dead ends: 8344 [2021-11-05 13:50:53,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:50:53,486 INFO L933 BasicCegarLoop]: 5555 mSDtfsCounter, 5552 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5552 SdHoareTripleChecker+Valid, 5555 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.34ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.54ms IncrementalHoareTripleChecker+Time [2021-11-05 13:50:53,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5552 Valid, 5555 Invalid, 4 Unknown, 0 Unchecked, 8.34ms Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.54ms Time] [2021-11-05 13:50:53,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8344 states. [2021-11-05 13:50:53,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8344 to 8344. [2021-11-05 13:50:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8344 states, 8325 states have (on average 1.3174774774774776) internal successors, (10968), 8343 states have internal predecessors, (10968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8344 states to 8344 states and 10968 transitions. [2021-11-05 13:50:53,654 INFO L78 Accepts]: Start accepts. Automaton has 8344 states and 10968 transitions. Word has length 34 [2021-11-05 13:50:53,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:50:53,654 INFO L470 AbstractCegarLoop]: Abstraction has 8344 states and 10968 transitions. [2021-11-05 13:50:53,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 8344 states and 10968 transitions. [2021-11-05 13:50:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-05 13:50:53,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:50:53,656 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] [2021-11-05 13:50:53,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 13:50:53,656 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:50:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:50:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash -725584627, now seen corresponding path program 1 times [2021-11-05 13:50:53,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:50:53,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168400660] [2021-11-05 13:50:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:53,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:50:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:53,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:50:53,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168400660] [2021-11-05 13:50:53,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168400660] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:50:53,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:50:53,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:50:53,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911024291] [2021-11-05 13:50:53,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:50:53,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:50:53,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:50:53,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:50:53,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:50:53,735 INFO L87 Difference]: Start difference. First operand 8344 states and 10968 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:50:54,028 INFO L93 Difference]: Finished difference Result 16625 states and 21861 transitions. [2021-11-05 13:50:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:50:54,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2021-11-05 13:50:54,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:50:54,061 INFO L225 Difference]: With dead ends: 16625 [2021-11-05 13:50:54,062 INFO L226 Difference]: Without dead ends: 8335 [2021-11-05 13:50:54,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.80ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:50:54,081 INFO L933 BasicCegarLoop]: 5557 mSDtfsCounter, 1 mSDsluCounter, 11108 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16665 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.61ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.42ms IncrementalHoareTripleChecker+Time [2021-11-05 13:50:54,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 16665 Invalid, 8 Unknown, 0 Unchecked, 15.61ms Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 5.42ms Time] [2021-11-05 13:50:54,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8335 states. [2021-11-05 13:50:54,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8335 to 8335. [2021-11-05 13:50:54,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8335 states, 8316 states have (on average 1.3174603174603174) internal successors, (10956), 8334 states have internal predecessors, (10956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8335 states to 8335 states and 10956 transitions. [2021-11-05 13:50:54,275 INFO L78 Accepts]: Start accepts. Automaton has 8335 states and 10956 transitions. Word has length 34 [2021-11-05 13:50:54,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:50:54,276 INFO L470 AbstractCegarLoop]: Abstraction has 8335 states and 10956 transitions. [2021-11-05 13:50:54,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:54,276 INFO L276 IsEmpty]: Start isEmpty. Operand 8335 states and 10956 transitions. [2021-11-05 13:50:54,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-05 13:50:54,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:50:54,277 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] [2021-11-05 13:50:54,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 13:50:54,278 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:50:54,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:50:54,278 INFO L85 PathProgramCache]: Analyzing trace with hash 342854848, now seen corresponding path program 1 times [2021-11-05 13:50:54,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:50:54,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28413417] [2021-11-05 13:50:54,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:54,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:50:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:54,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:50:54,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28413417] [2021-11-05 13:50:54,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28413417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:50:54,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:50:54,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:50:54,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483692494] [2021-11-05 13:50:54,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:50:54,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:50:54,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:50:54,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:50:54,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:50:54,384 INFO L87 Difference]: Start difference. First operand 8335 states and 10956 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:54,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:50:54,590 INFO L93 Difference]: Finished difference Result 16659 states and 21900 transitions. [2021-11-05 13:50:54,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:50:54,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2021-11-05 13:50:54,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:50:54,606 INFO L225 Difference]: With dead ends: 16659 [2021-11-05 13:50:54,607 INFO L226 Difference]: Without dead ends: 8372 [2021-11-05 13:50:54,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.20ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:50:54,620 INFO L933 BasicCegarLoop]: 5542 mSDtfsCounter, 5577 mSDsluCounter, 5546 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5577 SdHoareTripleChecker+Valid, 11088 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.67ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.35ms IncrementalHoareTripleChecker+Time [2021-11-05 13:50:54,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5577 Valid, 11088 Invalid, 12 Unknown, 0 Unchecked, 15.67ms Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 8.35ms Time] [2021-11-05 13:50:54,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8372 states. [2021-11-05 13:50:54,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8372 to 8336. [2021-11-05 13:50:54,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8336 states, 8317 states have (on average 1.3174221474089214) internal successors, (10957), 8335 states have internal predecessors, (10957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8336 states to 8336 states and 10957 transitions. [2021-11-05 13:50:54,891 INFO L78 Accepts]: Start accepts. Automaton has 8336 states and 10957 transitions. Word has length 39 [2021-11-05 13:50:54,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:50:54,892 INFO L470 AbstractCegarLoop]: Abstraction has 8336 states and 10957 transitions. [2021-11-05 13:50:54,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 8336 states and 10957 transitions. [2021-11-05 13:50:54,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-05 13:50:54,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:50:54,893 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] [2021-11-05 13:50:54,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 13:50:54,894 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:50:54,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:50:54,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1942358478, now seen corresponding path program 1 times [2021-11-05 13:50:54,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:50:54,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087112399] [2021-11-05 13:50:54,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:54,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:50:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:50:55,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:50:55,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087112399] [2021-11-05 13:50:55,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087112399] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:50:55,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:50:55,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 13:50:55,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022112691] [2021-11-05 13:50:55,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:50:55,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:50:55,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:50:55,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:50:55,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:50:55,030 INFO L87 Difference]: Start difference. First operand 8336 states and 10957 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:55,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:50:55,780 INFO L93 Difference]: Finished difference Result 12528 states and 16438 transitions. [2021-11-05 13:50:55,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:50:55,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2021-11-05 13:50:55,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:50:55,806 INFO L225 Difference]: With dead ends: 12528 [2021-11-05 13:50:55,806 INFO L226 Difference]: Without dead ends: 12492 [2021-11-05 13:50:55,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.22ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:50:55,812 INFO L933 BasicCegarLoop]: 10869 mSDtfsCounter, 10857 mSDsluCounter, 10902 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 450.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10857 SdHoareTripleChecker+Valid, 21771 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 30.22ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 506.90ms IncrementalHoareTripleChecker+Time [2021-11-05 13:50:55,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10857 Valid, 21771 Invalid, 231 Unknown, 0 Unchecked, 30.22ms Time], IncrementalHoareTripleChecker [48 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 506.90ms Time] [2021-11-05 13:50:55,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12492 states. [2021-11-05 13:50:56,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12492 to 12441. [2021-11-05 13:50:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12441 states, 12422 states have (on average 1.3177427145387217) internal successors, (16369), 12440 states have internal predecessors, (16369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12441 states to 12441 states and 16369 transitions. [2021-11-05 13:50:56,059 INFO L78 Accepts]: Start accepts. Automaton has 12441 states and 16369 transitions. Word has length 52 [2021-11-05 13:50:56,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:50:56,060 INFO L470 AbstractCegarLoop]: Abstraction has 12441 states and 16369 transitions. [2021-11-05 13:50:56,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 12441 states and 16369 transitions. [2021-11-05 13:50:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-05 13:50:56,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:50:56,061 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] [2021-11-05 13:50:56,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 13:50:56,061 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:50:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:50:56,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1549331468, now seen corresponding path program 1 times [2021-11-05 13:50:56,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:50:56,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964303300] [2021-11-05 13:50:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:56,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:50:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:56,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:50:56,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964303300] [2021-11-05 13:50:56,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964303300] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:50:56,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917570848] [2021-11-05 13:50:56,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:56,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:50:56,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:50:56,162 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) [2021-11-05 13:50:56,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-05 13:50:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:56,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-05 13:50:56,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:50:56,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:56,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:50:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:57,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917570848] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:50:57,144 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:50:57,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-05 13:50:57,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880109967] [2021-11-05 13:50:57,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:50:57,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-05 13:50:57,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:50:57,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-05 13:50:57,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-11-05 13:50:57,146 INFO L87 Difference]: Start difference. First operand 12441 states and 16369 transitions. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:57,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:50:57,597 INFO L93 Difference]: Finished difference Result 24944 states and 32813 transitions. [2021-11-05 13:50:57,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 13:50:57,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-05 13:50:57,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:50:57,624 INFO L225 Difference]: With dead ends: 24944 [2021-11-05 13:50:57,624 INFO L226 Difference]: Without dead ends: 12552 [2021-11-05 13:50:57,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 53.72ms TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2021-11-05 13:50:57,645 INFO L933 BasicCegarLoop]: 5542 mSDtfsCounter, 11494 mSDsluCounter, 11125 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11494 SdHoareTripleChecker+Valid, 16667 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.11ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.21ms IncrementalHoareTripleChecker+Time [2021-11-05 13:50:57,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11494 Valid, 16667 Invalid, 34 Unknown, 0 Unchecked, 28.11ms Time], IncrementalHoareTripleChecker [13 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 32.21ms Time] [2021-11-05 13:50:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12552 states. [2021-11-05 13:50:57,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12552 to 12552. [2021-11-05 13:50:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 12533 states have (on average 1.3163647969360888) internal successors, (16498), 12551 states have internal predecessors, (16498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 16498 transitions. [2021-11-05 13:50:57,898 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 16498 transitions. Word has length 52 [2021-11-05 13:50:57,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:50:57,899 INFO L470 AbstractCegarLoop]: Abstraction has 12552 states and 16498 transitions. [2021-11-05 13:50:57,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:50:57,899 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 16498 transitions. [2021-11-05 13:50:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-05 13:50:57,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:50:57,901 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:50:57,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-05 13:50:58,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:50:58,123 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:50:58,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:50:58,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1007432578, now seen corresponding path program 2 times [2021-11-05 13:50:58,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:50:58,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798127485] [2021-11-05 13:50:58,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:50:58,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:50:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:50:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:50:58,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:50:58,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798127485] [2021-11-05 13:50:58,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798127485] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:50:58,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590890627] [2021-11-05 13:50:58,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-05 13:50:58,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:50:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:50:58,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:50:58,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-05 13:50:59,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-05 13:50:59,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-05 13:50:59,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-05 13:50:59,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:50:59,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 356 treesize of output 354 [2021-11-05 13:50:59,254 INFO L354 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2021-11-05 13:50:59,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 354 treesize of output 356 [2021-11-05 13:50:59,289 INFO L354 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2021-11-05 13:50:59,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 353 treesize of output 355 [2021-11-05 13:51:06,350 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-05 13:51:06,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 65 [2021-11-05 13:51:06,359 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-05 13:51:06,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 39 [2021-11-05 13:51:06,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2021-11-05 13:51:06,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-05 13:51:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-11-05 13:51:06,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-05 13:51:06,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590890627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:51:06,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-05 13:51:06,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2021-11-05 13:51:06,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888818295] [2021-11-05 13:51:06,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:51:06,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:51:06,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:51:06,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:51:06,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-05 13:51:06,427 INFO L87 Difference]: Start difference. First operand 12552 states and 16498 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:07,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:51:07,196 INFO L93 Difference]: Finished difference Result 25016 states and 32892 transitions. [2021-11-05 13:51:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:51:07,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 91 [2021-11-05 13:51:07,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:51:07,233 INFO L225 Difference]: With dead ends: 25016 [2021-11-05 13:51:07,234 INFO L226 Difference]: Without dead ends: 12628 [2021-11-05 13:51:07,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2055.78ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-05 13:51:07,259 INFO L933 BasicCegarLoop]: 5540 mSDtfsCounter, 15 mSDsluCounter, 9993 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 424.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 15533 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1076 IncrementalHoareTripleChecker+Unchecked, 454.00ms IncrementalHoareTripleChecker+Time [2021-11-05 13:51:07,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 15533 Invalid, 1088 Unknown, 0 Unchecked, 15.06ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 1076 Unchecked, 454.00ms Time] [2021-11-05 13:51:07,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12628 states. [2021-11-05 13:51:07,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12628 to 12608. [2021-11-05 13:51:07,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12608 states, 12589 states have (on average 1.3155135435697831) internal successors, (16561), 12607 states have internal predecessors, (16561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 12608 states and 16561 transitions. [2021-11-05 13:51:07,555 INFO L78 Accepts]: Start accepts. Automaton has 12608 states and 16561 transitions. Word has length 91 [2021-11-05 13:51:07,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:51:07,556 INFO L470 AbstractCegarLoop]: Abstraction has 12608 states and 16561 transitions. [2021-11-05 13:51:07,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 12608 states and 16561 transitions. [2021-11-05 13:51:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-05 13:51:07,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:51:07,558 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:51:07,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-05 13:51:07,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-05 13:51:07,779 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:51:07,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:51:07,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2087423505, now seen corresponding path program 1 times [2021-11-05 13:51:07,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:51:07,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552094084] [2021-11-05 13:51:07,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:51:07,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:51:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:51:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:51:07,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:51:07,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552094084] [2021-11-05 13:51:07,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552094084] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:51:07,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591498] [2021-11-05 13:51:07,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:51:07,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:51:07,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:51:07,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:51:07,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-05 13:51:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:51:08,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-05 13:51:08,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:51:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:51:08,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:51:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-05 13:51:09,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591498] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:51:09,093 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-05 13:51:09,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2021-11-05 13:51:09,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327972810] [2021-11-05 13:51:09,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-05 13:51:09,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-05 13:51:09,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:51:09,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-05 13:51:09,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=156, Unknown=0, NotChecked=0, Total=272 [2021-11-05 13:51:09,095 INFO L87 Difference]: Start difference. First operand 12608 states and 16561 transitions. Second operand has 17 states, 17 states have (on average 11.294117647058824) internal successors, (192), 17 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:09,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:51:09,481 INFO L93 Difference]: Finished difference Result 25214 states and 33127 transitions. [2021-11-05 13:51:09,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-05 13:51:09,482 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 11.294117647058824) internal successors, (192), 17 states have internal predecessors, (192), 0 states have call successors, (0), 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 94 [2021-11-05 13:51:09,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:51:09,509 INFO L225 Difference]: With dead ends: 25214 [2021-11-05 13:51:09,509 INFO L226 Difference]: Without dead ends: 12820 [2021-11-05 13:51:09,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 114.28ms TimeCoverageRelationStatistics Valid=155, Invalid=225, Unknown=0, NotChecked=0, Total=380 [2021-11-05 13:51:09,527 INFO L933 BasicCegarLoop]: 5542 mSDtfsCounter, 6465 mSDsluCounter, 22370 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6465 SdHoareTripleChecker+Valid, 27912 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.52ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.69ms IncrementalHoareTripleChecker+Time [2021-11-05 13:51:09,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6465 Valid, 27912 Invalid, 57 Unknown, 0 Unchecked, 21.52ms Time], IncrementalHoareTripleChecker [11 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 43.69ms Time] [2021-11-05 13:51:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12820 states. [2021-11-05 13:51:09,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12820 to 12820. [2021-11-05 13:51:09,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12820 states, 12801 states have (on average 1.3127880634325444) internal successors, (16805), 12819 states have internal predecessors, (16805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12820 states to 12820 states and 16805 transitions. [2021-11-05 13:51:09,881 INFO L78 Accepts]: Start accepts. Automaton has 12820 states and 16805 transitions. Word has length 94 [2021-11-05 13:51:09,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:51:09,881 INFO L470 AbstractCegarLoop]: Abstraction has 12820 states and 16805 transitions. [2021-11-05 13:51:09,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.294117647058824) internal successors, (192), 17 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12820 states and 16805 transitions. [2021-11-05 13:51:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-05 13:51:09,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:51:09,887 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:51:09,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-05 13:51:10,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:51:10,103 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:51:10,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:51:10,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1369374865, now seen corresponding path program 2 times [2021-11-05 13:51:10,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:51:10,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110878817] [2021-11-05 13:51:10,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:51:10,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:51:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:51:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-05 13:51:10,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:51:10,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110878817] [2021-11-05 13:51:10,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110878817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:51:10,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:51:10,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 13:51:10,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356077996] [2021-11-05 13:51:10,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:51:10,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:51:10,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:51:10,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:51:10,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:51:10,277 INFO L87 Difference]: Start difference. First operand 12820 states and 16805 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:10,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:51:10,518 INFO L93 Difference]: Finished difference Result 25490 states and 33438 transitions. [2021-11-05 13:51:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:51:10,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2021-11-05 13:51:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:51:10,543 INFO L225 Difference]: With dead ends: 25490 [2021-11-05 13:51:10,543 INFO L226 Difference]: Without dead ends: 12668 [2021-11-05 13:51:10,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.44ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:51:10,561 INFO L933 BasicCegarLoop]: 5545 mSDtfsCounter, 1 mSDsluCounter, 11080 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16625 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.21ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.12ms IncrementalHoareTripleChecker+Time [2021-11-05 13:51:10,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 16625 Invalid, 12 Unknown, 0 Unchecked, 8.21ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 26.12ms Time] [2021-11-05 13:51:10,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12668 states. [2021-11-05 13:51:10,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12668 to 12668. [2021-11-05 13:51:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12668 states, 12649 states have (on average 1.313463514902364) internal successors, (16614), 12667 states have internal predecessors, (16614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12668 states to 12668 states and 16614 transitions. [2021-11-05 13:51:10,801 INFO L78 Accepts]: Start accepts. Automaton has 12668 states and 16614 transitions. Word has length 146 [2021-11-05 13:51:10,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:51:10,802 INFO L470 AbstractCegarLoop]: Abstraction has 12668 states and 16614 transitions. [2021-11-05 13:51:10,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 12668 states and 16614 transitions. [2021-11-05 13:51:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-05 13:51:10,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:51:10,807 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:51:10,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-05 13:51:10,808 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:51:10,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:51:10,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1162743086, now seen corresponding path program 1 times [2021-11-05 13:51:10,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:51:10,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807018662] [2021-11-05 13:51:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:51:10,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:51:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:51:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2021-11-05 13:51:11,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:51:11,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807018662] [2021-11-05 13:51:11,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807018662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:51:11,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:51:11,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-05 13:51:11,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477280654] [2021-11-05 13:51:11,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:51:11,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-05 13:51:11,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:51:11,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-05 13:51:11,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:51:11,166 INFO L87 Difference]: Start difference. First operand 12668 states and 16614 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:11,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:51:11,859 INFO L93 Difference]: Finished difference Result 37633 states and 49384 transitions. [2021-11-05 13:51:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 13:51:11,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 231 [2021-11-05 13:51:11,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:51:11,911 INFO L225 Difference]: With dead ends: 37633 [2021-11-05 13:51:11,911 INFO L226 Difference]: Without dead ends: 24947 [2021-11-05 13:51:11,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 98.52ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-05 13:51:11,934 INFO L933 BasicCegarLoop]: 5515 mSDtfsCounter, 5395 mSDsluCounter, 27494 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 128.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5395 SdHoareTripleChecker+Valid, 33009 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.09ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 160.97ms IncrementalHoareTripleChecker+Time [2021-11-05 13:51:11,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5395 Valid, 33009 Invalid, 235 Unknown, 0 Unchecked, 25.09ms Time], IncrementalHoareTripleChecker [22 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 160.97ms Time] [2021-11-05 13:51:11,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24947 states. [2021-11-05 13:51:12,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24947 to 12668. [2021-11-05 13:51:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12668 states, 12649 states have (on average 1.3128310538382482) internal successors, (16606), 12667 states have internal predecessors, (16606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12668 states to 12668 states and 16606 transitions. [2021-11-05 13:51:12,308 INFO L78 Accepts]: Start accepts. Automaton has 12668 states and 16606 transitions. Word has length 231 [2021-11-05 13:51:12,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:51:12,308 INFO L470 AbstractCegarLoop]: Abstraction has 12668 states and 16606 transitions. [2021-11-05 13:51:12,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 12668 states and 16606 transitions. [2021-11-05 13:51:12,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-05 13:51:12,311 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:51:12,311 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:51:12,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-05 13:51:12,311 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:51:12,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:51:12,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1778504834, now seen corresponding path program 1 times [2021-11-05 13:51:12,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:51:12,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670883579] [2021-11-05 13:51:12,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:51:12,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:51:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:51:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 658 trivial. 0 not checked. [2021-11-05 13:51:12,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:51:12,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670883579] [2021-11-05 13:51:12,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670883579] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:51:12,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:51:12,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 13:51:12,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389094354] [2021-11-05 13:51:12,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:51:12,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 13:51:12,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:51:12,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 13:51:12,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:51:12,639 INFO L87 Difference]: Start difference. First operand 12668 states and 16606 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:13,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:51:13,359 INFO L93 Difference]: Finished difference Result 37586 states and 49321 transitions. [2021-11-05 13:51:13,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 13:51:13,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 255 [2021-11-05 13:51:13,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:51:13,404 INFO L225 Difference]: With dead ends: 37586 [2021-11-05 13:51:13,405 INFO L226 Difference]: Without dead ends: 24923 [2021-11-05 13:51:13,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.74ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:51:13,429 INFO L933 BasicCegarLoop]: 5517 mSDtfsCounter, 5386 mSDsluCounter, 16477 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5386 SdHoareTripleChecker+Valid, 21994 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.13ms SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.90ms IncrementalHoareTripleChecker+Time [2021-11-05 13:51:13,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5386 Valid, 21994 Invalid, 164 Unknown, 0 Unchecked, 19.13ms Time], IncrementalHoareTripleChecker [21 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 110.90ms Time] [2021-11-05 13:51:13,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24923 states. [2021-11-05 13:51:13,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24923 to 12668. [2021-11-05 13:51:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12668 states, 12649 states have (on average 1.3121985927741324) internal successors, (16598), 12667 states have internal predecessors, (16598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12668 states to 12668 states and 16598 transitions. [2021-11-05 13:51:13,801 INFO L78 Accepts]: Start accepts. Automaton has 12668 states and 16598 transitions. Word has length 255 [2021-11-05 13:51:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:51:13,801 INFO L470 AbstractCegarLoop]: Abstraction has 12668 states and 16598 transitions. [2021-11-05 13:51:13,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 12668 states and 16598 transitions. [2021-11-05 13:51:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-05 13:51:13,804 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:51:13,804 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:51:13,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-05 13:51:13,804 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:51:13,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:51:13,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1035258774, now seen corresponding path program 1 times [2021-11-05 13:51:13,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:51:13,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735249890] [2021-11-05 13:51:13,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:51:13,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:51:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:51:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2021-11-05 13:51:14,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:51:14,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735249890] [2021-11-05 13:51:14,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735249890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 13:51:14,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:51:14,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 13:51:14,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334084407] [2021-11-05 13:51:14,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 13:51:14,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 13:51:14,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:51:14,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 13:51:14,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 13:51:14,108 INFO L87 Difference]: Start difference. First operand 12668 states and 16598 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:14,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:51:14,806 INFO L93 Difference]: Finished difference Result 37468 states and 49185 transitions. [2021-11-05 13:51:14,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 13:51:14,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 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 279 [2021-11-05 13:51:14,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:51:14,844 INFO L225 Difference]: With dead ends: 37468 [2021-11-05 13:51:14,844 INFO L226 Difference]: Without dead ends: 24812 [2021-11-05 13:51:14,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.94ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:51:14,865 INFO L933 BasicCegarLoop]: 10414 mSDtfsCounter, 5364 mSDsluCounter, 26271 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5364 SdHoareTripleChecker+Valid, 36685 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.26ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 145.91ms IncrementalHoareTripleChecker+Time [2021-11-05 13:51:14,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5364 Valid, 36685 Invalid, 177 Unknown, 0 Unchecked, 24.26ms Time], IncrementalHoareTripleChecker [20 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 145.91ms Time] [2021-11-05 13:51:14,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24812 states. [2021-11-05 13:51:15,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24812 to 12668. [2021-11-05 13:51:15,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12668 states, 12649 states have (on average 1.3115661317100167) internal successors, (16590), 12667 states have internal predecessors, (16590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12668 states to 12668 states and 16590 transitions. [2021-11-05 13:51:15,278 INFO L78 Accepts]: Start accepts. Automaton has 12668 states and 16590 transitions. Word has length 279 [2021-11-05 13:51:15,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:51:15,281 INFO L470 AbstractCegarLoop]: Abstraction has 12668 states and 16590 transitions. [2021-11-05 13:51:15,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:51:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 12668 states and 16590 transitions. [2021-11-05 13:51:15,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-05 13:51:15,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:51:15,284 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:51:15,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-05 13:51:15,285 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:51:15,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:51:15,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2120610558, now seen corresponding path program 1 times [2021-11-05 13:51:15,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 13:51:15,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861078713] [2021-11-05 13:51:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:51:15,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 13:51:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:51:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2021-11-05 13:51:17,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 13:51:17,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861078713] [2021-11-05 13:51:17,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861078713] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-05 13:51:17,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862710123] [2021-11-05 13:51:17,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:51:17,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:51:17,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:51:17,779 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-05 13:51:17,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-05 13:51:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:51:49,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 3989 conjuncts, 272 conjunts are in the unsatisfiable core [2021-11-05 13:51:49,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:51:49,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 807 treesize of output 805 [2021-11-05 13:51:49,202 INFO L354 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2021-11-05 13:51:49,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 805 treesize of output 807 [2021-11-05 13:51:49,231 INFO L354 Elim1Store]: treesize reduction 24, result has 17.2 percent of original size [2021-11-05 13:51:49,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 804 treesize of output 806 [2021-11-05 13:52:05,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:52:05,748 INFO L354 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2021-11-05 13:52:05,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 96 [2021-11-05 13:52:05,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:52:05,779 INFO L354 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2021-11-05 13:52:05,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 114 [2021-11-05 13:52:05,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-05 13:52:05,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-05 13:53:54,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:53:54,667 INFO L354 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2021-11-05 13:53:54,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 156 [2021-11-05 13:53:54,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-05 13:53:54,721 INFO L354 Elim1Store]: treesize reduction 23, result has 43.9 percent of original size [2021-11-05 13:53:54,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 169 [2021-11-05 13:53:54,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-11-05 13:53:54,733 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-05 13:53:54,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-11-05 13:53:54,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608815205] [2021-11-05 13:53:54,733 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-05 13:53:54,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-05 13:53:54,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 13:53:54,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-05 13:53:54,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=829, Unknown=13, NotChecked=0, Total=992 [2021-11-05 13:53:54,735 INFO L87 Difference]: Start difference. First operand 12668 states and 16590 transitions. Second operand has 21 states, 21 states have (on average 4.333333333333333) internal successors, (91), 20 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:53:54,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 13:53:54,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 118 SyntacticMatches, 8 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 49173.00ms TimeCoverageRelationStatistics Valid=150, Invalid=829, Unknown=13, NotChecked=0, Total=992 [2021-11-05 13:53:54,736 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.01ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 13:53:54,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 0.01ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 13:53:54,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-05 13:53:54,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-05 13:53:54,952 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@550bbe58 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:359) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-05 13:53:54,955 INFO L158 Benchmark]: Toolchain (without parser) took 199735.28ms. Allocated memory was 71.3MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 47.8MB in the beginning and 2.4GB in the end (delta: -2.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-11-05 13:53:54,956 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-05 13:53:54,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1696.22ms. Allocated memory was 71.3MB in the beginning and 136.3MB in the end (delta: 65.0MB). Free memory was 47.6MB in the beginning and 89.5MB in the end (delta: -41.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2021-11-05 13:53:54,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 753.38ms. Allocated memory was 136.3MB in the beginning and 272.6MB in the end (delta: 136.3MB). Free memory was 89.5MB in the beginning and 140.8MB in the end (delta: -51.3MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2021-11-05 13:53:54,956 INFO L158 Benchmark]: Boogie Preprocessor took 982.79ms. Allocated memory was 272.6MB in the beginning and 759.2MB in the end (delta: 486.5MB). Free memory was 140.8MB in the beginning and 585.4MB in the end (delta: -444.6MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2021-11-05 13:53:54,956 INFO L158 Benchmark]: RCFGBuilder took 12722.03ms. Allocated memory was 759.2MB in the beginning and 2.0GB in the end (delta: 1.2GB). Free memory was 585.4MB in the beginning and 1.6GB in the end (delta: -994.2MB). Peak memory consumption was 481.1MB. Max. memory is 16.1GB. [2021-11-05 13:53:54,957 INFO L158 Benchmark]: TraceAbstraction took 183575.04ms. Allocated memory was 2.0GB in the beginning and 3.5GB in the end (delta: 1.6GB). Free memory was 1.6GB in the beginning and 2.4GB in the end (delta: -860.9MB). Peak memory consumption was 696.8MB. Max. memory is 16.1GB. [2021-11-05 13:53:54,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1696.22ms. Allocated memory was 71.3MB in the beginning and 136.3MB in the end (delta: 65.0MB). Free memory was 47.6MB in the beginning and 89.5MB in the end (delta: -41.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 753.38ms. Allocated memory was 136.3MB in the beginning and 272.6MB in the end (delta: 136.3MB). Free memory was 89.5MB in the beginning and 140.8MB in the end (delta: -51.3MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 982.79ms. Allocated memory was 272.6MB in the beginning and 759.2MB in the end (delta: 486.5MB). Free memory was 140.8MB in the beginning and 585.4MB in the end (delta: -444.6MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * RCFGBuilder took 12722.03ms. Allocated memory was 759.2MB in the beginning and 2.0GB in the end (delta: 1.2GB). Free memory was 585.4MB in the beginning and 1.6GB in the end (delta: -994.2MB). Peak memory consumption was 481.1MB. Max. memory is 16.1GB. * TraceAbstraction took 183575.04ms. Allocated memory was 2.0GB in the beginning and 3.5GB in the end (delta: 1.6GB). Free memory was 1.6GB in the beginning and 2.4GB in the end (delta: -860.9MB). Peak memory consumption was 696.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@550bbe58 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@550bbe58: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-05 13:53:55,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 13:53:56,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 13:53:56,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 13:53:56,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 13:53:56,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 13:53:56,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 13:53:56,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 13:53:56,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 13:53:56,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 13:53:56,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 13:53:56,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 13:53:56,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 13:53:56,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 13:53:56,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 13:53:56,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 13:53:56,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 13:53:56,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 13:53:56,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 13:53:56,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 13:53:56,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 13:53:56,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 13:53:56,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 13:53:56,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 13:53:56,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 13:53:56,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 13:53:56,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 13:53:56,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 13:53:56,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 13:53:56,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 13:53:56,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 13:53:56,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 13:53:56,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 13:53:56,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 13:53:56,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 13:53:56,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 13:53:56,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 13:53:56,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 13:53:56,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 13:53:56,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 13:53:56,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 13:53:56,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 13:53:56,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-05 13:53:56,922 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 13:53:56,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 13:53:56,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 13:53:56,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 13:53:56,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 13:53:56,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 13:53:56,925 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 13:53:56,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 13:53:56,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 13:53:56,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 13:53:56,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 13:53:56,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 13:53:56,927 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-05 13:53:56,927 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-05 13:53:56,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 13:53:56,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 13:53:56,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 13:53:56,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 13:53:56,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 13:53:56,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 13:53:56,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 13:53:56,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 13:53:56,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 13:53:56,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 13:53:56,928 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-05 13:53:56,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-05 13:53:56,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 13:53:56,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 13:53:56,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 13:53:56,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 13:53:56,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-05 13:53:56,929 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25e8d9a29012500b38126aa22b2b7d181aad99a845cece264158253e2ec92e3 [2021-11-05 13:53:57,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 13:53:57,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 13:53:57,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 13:53:57,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 13:53:57,276 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 13:53:57,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-05 13:53:57,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92abc4ebd/441bd926e5d14a4b8e457e4bcc972668/FLAGc4705384d [2021-11-05 13:53:57,871 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 13:53:57,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-05 13:53:57,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92abc4ebd/441bd926e5d14a4b8e457e4bcc972668/FLAGc4705384d [2021-11-05 13:53:58,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92abc4ebd/441bd926e5d14a4b8e457e4bcc972668 [2021-11-05 13:53:58,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 13:53:58,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 13:53:58,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 13:53:58,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 13:53:58,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 13:53:58,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:53:58" (1/1) ... [2021-11-05 13:53:58,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d09503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:58, skipping insertion in model container [2021-11-05 13:53:58,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:53:58" (1/1) ... [2021-11-05 13:53:58,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 13:53:58,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 13:53:59,291 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-05 13:53:59,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 13:53:59,337 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 13:53:59,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-block-loop.ko.cil.out.i[192897,192910] [2021-11-05 13:53:59,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 13:53:59,725 INFO L208 MainTranslator]: Completed translation [2021-11-05 13:53:59,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59 WrapperNode [2021-11-05 13:53:59,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 13:53:59,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 13:53:59,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 13:53:59,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 13:53:59,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:53:59,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:00,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 13:54:00,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 13:54:00,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 13:54:00,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 13:54:00,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:00,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:00,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:00,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:00,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:00,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:00,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:01,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 13:54:01,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 13:54:01,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 13:54:01,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 13:54:01,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (1/1) ... [2021-11-05 13:54:01,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 13:54:01,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 13:54:01,147 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) [2021-11-05 13:54:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-05 13:54:01,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-05 13:54:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-05 13:54:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 13:54:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-05 13:54:01,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 13:54:01,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 13:54:01,181 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 13:54:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-05 13:54:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-05 13:54:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-05 13:54:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-05 13:54:01,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 13:54:01,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 13:54:01,163 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 [2021-11-05 13:54:01,814 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-05 13:54:01,885 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-05 13:54:01,945 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-05 13:54:01,989 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-05 13:56:58,338 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1293: assume false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1294: assume !false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1299: assume false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1288: assume false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1289: assume !false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1273: assume false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1274: assume !false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1278: assume false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1279: assume !false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2511: assume !false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2510: assume false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2517: assume !false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2516: assume false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2506: assume !false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2505: assume false; [2021-11-05 13:56:58,339 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1253: assume false; [2021-11-05 13:56:58,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1254: assume !false; [2021-11-05 13:56:58,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1243: assume false; [2021-11-05 13:56:58,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1244: assume !false; [2021-11-05 13:56:58,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1248: assume false; [2021-11-05 13:56:58,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1249: assume !false; [2021-11-05 13:56:58,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1222: assume false; [2021-11-05 13:56:58,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1223: assume !false; [2021-11-05 13:56:58,340 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1227: assume false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1228: assume !false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2542: assume !false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2541: assume false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2546: assume false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1217: assume false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2547: assume !false; [2021-11-05 13:56:58,341 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1218: assume !false; [2021-11-05 13:56:58,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1205: assume false; [2021-11-05 13:56:58,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1206: assume !false; [2021-11-05 13:56:58,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2522: assume !false; [2021-11-05 13:56:58,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2521: assume false; [2021-11-05 13:56:58,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1180: assume false; [2021-11-05 13:56:58,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1181: assume !false; [2021-11-05 13:56:58,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1185: assume false; [2021-11-05 13:56:58,342 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1186: assume !false; [2021-11-05 13:56:58,343 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1170: assume !false; [2021-11-05 13:56:58,343 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1174: assume false; [2021-11-05 13:56:58,343 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1175: assume !false; [2021-11-05 13:56:58,343 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2490: assume false; [2021-11-05 13:56:58,343 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-11-05 13:56:58,343 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2491: assume !false; [2021-11-05 13:56:58,343 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2496: assume !false; [2021-11-05 13:56:58,343 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2495: assume false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1169: assume false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1154: assume false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1155: assume !false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2470: assume false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2471: assume !false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2461: assume !false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2460: assume false; [2021-11-05 13:56:58,344 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2465: assume false; [2021-11-05 13:56:58,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2466: assume !false; [2021-11-05 13:56:58,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2440: assume !false; [2021-11-05 13:56:58,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2445: assume !false; [2021-11-05 13:56:58,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2444: assume false; [2021-11-05 13:56:58,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1100: assume !false; [2021-11-05 13:56:58,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2434: assume false; [2021-11-05 13:56:58,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2435: assume !false; [2021-11-05 13:56:58,345 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2439: assume false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2423: assume !false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2422: assume false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2427: assume false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2428: assume !false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2403: assume !false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2402: assume false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1090: assume false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1091: assume !false; [2021-11-05 13:56:58,346 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1099: assume false; [2021-11-05 13:56:58,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1081: assume false; [2021-11-05 13:56:58,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1082: assume !false; [2021-11-05 13:56:58,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2391: assume false; [2021-11-05 13:56:58,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2392: assume !false; [2021-11-05 13:56:58,347 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2397: assume false; [2021-11-05 13:56:58,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2398: assume !false; [2021-11-05 13:56:58,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2386: assume false; [2021-11-05 13:56:58,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1057: assume false; [2021-11-05 13:56:58,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2387: assume !false; [2021-11-05 13:56:58,348 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1058: assume !false; [2021-11-05 13:56:58,349 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2371: assume false; [2021-11-05 13:56:58,350 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2372: assume !false; [2021-11-05 13:56:58,350 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2377: assume !false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2376: assume false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3600: assume false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3601: assume !false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3671: assume false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3672: assume !false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3677: assume !false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3676: assume false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3651: assume false; [2021-11-05 13:56:58,351 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3652: assume !false; [2021-11-05 13:56:58,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3640: assume false; [2021-11-05 13:56:58,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3641: assume !false; [2021-11-05 13:56:58,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3646: assume false; [2021-11-05 13:56:58,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2317: assume !false; [2021-11-05 13:56:58,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2316: assume false; [2021-11-05 13:56:58,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3647: assume !false; [2021-11-05 13:56:58,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3635: assume false; [2021-11-05 13:56:58,352 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3636: assume !false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2308: assume !false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2307: assume false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3620: assume false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3621: assume !false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3626: assume !false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3625: assume false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2298: assume false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2299: assume !false; [2021-11-05 13:56:58,353 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2274: assume false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2275: assume !false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3590: assume false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3591: assume !false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3596: assume !false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3595: assume false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3570: assume !false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3574: assume false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3575: assume !false; [2021-11-05 13:56:58,354 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume !false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##95: assume !false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##99: assume false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##65: assume !false; [2021-11-05 13:56:58,355 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume false; [2021-11-05 13:56:58,356 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##59: assume false; [2021-11-05 13:56:58,356 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-05 13:56:58,356 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-05 13:56:58,356 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3565: assume !false; [2021-11-05 13:56:58,356 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3564: assume false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3569: assume false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3552: assume false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3553: assume !false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3558: assume !false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3557: assume false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3532: assume false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3533: assume !false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2207: assume !false; [2021-11-05 13:56:58,357 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2206: assume false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3521: assume false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3522: assume !false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3527: assume false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3528: assume !false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3516: assume false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3517: assume !false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3501: assume false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3502: assume !false; [2021-11-05 13:56:58,358 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3507: assume !false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3506: assume false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1668: assume false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1669: assume !false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1644: assume false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1645: assume !false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1686: assume false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1687: assume !false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1677: assume false; [2021-11-05 13:56:58,359 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1678: assume !false; [2021-11-05 13:56:58,360 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2865: assume !false; [2021-11-05 13:56:58,360 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2864: assume false; [2021-11-05 13:56:58,360 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1300: assume !false; [2021-11-05 13:56:58,360 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1304: assume false; [2021-11-05 13:56:58,360 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1305: assume !false; [2021-11-05 13:56:58,360 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume !false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##142: assume false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##152: assume !false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3992: assume !false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1330: assume !false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3991: assume false; [2021-11-05 13:56:58,365 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##100: assume !false; [2021-11-05 13:56:58,366 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##109: assume false; [2021-11-05 13:56:58,366 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1324: assume false; [2021-11-05 13:56:58,366 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##110: assume !false; [2021-11-05 13:56:58,366 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1325: assume !false; [2021-11-05 13:56:58,366 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##115: assume !false; [2021-11-05 13:56:58,367 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume false; [2021-11-05 13:56:58,367 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1329: assume false; [2021-11-05 13:56:58,367 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3031: assume false; [2021-11-05 13:56:58,367 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3032: assume !false; [2021-11-05 13:56:58,367 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3022: assume false; [2021-11-05 13:56:58,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3023: assume !false; [2021-11-05 13:56:58,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3013: assume false; [2021-11-05 13:56:58,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3014: assume !false; [2021-11-05 13:56:58,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3091: assume false; [2021-11-05 13:56:58,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3092: assume !false; [2021-11-05 13:56:58,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3086: assume false; [2021-11-05 13:56:58,368 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3087: assume !false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##267: assume !false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##266: assume false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##272: assume !false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume !false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##278: assume false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##283: assume false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume !false; [2021-11-05 13:56:58,369 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2021-11-05 13:56:58,370 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-05 13:56:58,370 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##216: assume !false; [2021-11-05 13:56:58,370 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##215: assume false; [2021-11-05 13:56:58,370 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-11-05 13:56:58,370 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-11-05 13:56:58,370 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2021-11-05 13:56:58,370 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2021-11-05 13:56:58,371 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##236: assume !false; [2021-11-05 13:56:58,373 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##235: assume false; [2021-11-05 13:56:58,374 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-05 13:56:58,374 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-05 13:56:58,374 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##247: assume !false; [2021-11-05 13:56:58,374 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume false; [2021-11-05 13:56:58,374 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4259: assume !false; [2021-11-05 13:56:58,374 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4258: assume false; [2021-11-05 13:56:58,374 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##305: assume !false; [2021-11-05 13:56:58,374 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume false; [2021-11-05 13:56:58,375 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##309: assume false; [2021-11-05 13:56:58,377 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4233: assume false; [2021-11-05 13:56:58,377 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4234: assume !false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4238: assume false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4239: assume !false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##310: assume !false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##315: assume !false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##314: assume false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4222: assume false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4223: assume !false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4227: assume false; [2021-11-05 13:56:58,378 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4228: assume !false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4212: assume false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4213: assume !false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4208: assume !false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4207: assume false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4263: assume false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4264: assume !false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##386: assume !false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##385: assume false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2021-11-05 13:56:58,379 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##350: assume !false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##355: assume !false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume false; [2021-11-05 13:56:58,380 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume !false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##365: assume false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4139: assume false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4120: assume !false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4114: assume false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4115: assume !false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4119: assume false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4103: assume false; [2021-11-05 13:56:58,381 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4104: assume !false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4109: assume !false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4108: assume false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4182: assume false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4183: assume !false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4187: assume false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4188: assume !false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4178: assume !false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4177: assume false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4161: assume false; [2021-11-05 13:56:58,382 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4162: assume !false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4152: assume !false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4151: assume false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4156: assume false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4157: assume !false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4140: assume !false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4145: assume !false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4144: assume false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4015: assume false; [2021-11-05 13:56:58,383 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4016: assume !false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##518: assume !false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##517: assume false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4093: assume false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4094: assume !false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4088: assume false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4089: assume !false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4033: assume false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4034: assume !false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4024: assume false; [2021-11-05 13:56:58,384 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4025: assume !false; [2021-11-05 13:56:58,385 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##667: assume !false; [2021-11-05 13:56:58,385 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume false; [2021-11-05 13:56:58,385 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##676: assume !false; [2021-11-05 13:56:58,385 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##675: assume false; [2021-11-05 13:56:58,385 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-11-05 13:56:58,385 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-11-05 13:56:58,385 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3446: assume false; [2021-11-05 13:56:58,386 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3447: assume !false; [2021-11-05 13:56:58,386 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3437: assume false; [2021-11-05 13:56:58,386 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3438: assume !false; [2021-11-05 13:56:58,386 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3428: assume false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3429: assume !false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3404: assume false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3405: assume !false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##766: assume !false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##765: assume false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##771: assume !false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##770: assume false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##791: assume !false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##790: assume false; [2021-11-05 13:56:58,387 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##796: assume !false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##795: assume false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##739: assume false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##740: assume !false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##745: assume !false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##744: assume false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##755: assume !false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##754: assume false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##759: assume false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##760: assume !false; [2021-11-05 13:56:58,388 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##889: assume false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##890: assume !false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3262: assume !false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3261: assume false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3257: assume !false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3256: assume false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##859: assume !false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##858: assume false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3231: assume false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3232: assume !false; [2021-11-05 13:56:58,389 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3237: assume !false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3236: assume false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##863: assume false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##864: assume !false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3220: assume false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3221: assume !false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3226: assume !false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3225: assume false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##874: assume !false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##873: assume false; [2021-11-05 13:56:58,390 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##878: assume false; [2021-11-05 13:56:58,391 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##879: assume !false; [2021-11-05 13:56:58,391 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3211: assume !false; [2021-11-05 13:56:58,391 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3210: assume false; [2021-11-05 13:56:58,391 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##885: assume !false; [2021-11-05 13:56:58,391 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##884: assume false; [2021-11-05 13:56:58,391 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##803: assume !false; [2021-11-05 13:56:58,391 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume false; [2021-11-05 13:56:58,391 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##808: assume !false; [2021-11-05 13:56:58,393 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##807: assume false; [2021-11-05 13:56:58,393 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##812: assume false; [2021-11-05 13:56:58,393 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##813: assume !false; [2021-11-05 13:56:58,393 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##829: assume !false; [2021-11-05 13:56:58,393 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##828: assume false; [2021-11-05 13:56:58,393 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##834: assume !false; [2021-11-05 13:56:58,394 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##833: assume false; [2021-11-05 13:56:58,394 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##838: assume false; [2021-11-05 13:56:58,394 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##839: assume !false; [2021-11-05 13:56:58,394 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3206: assume !false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3205: assume false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3160: assume !false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3150: assume !false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3154: assume false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3155: assume !false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3159: assume false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3143: assume !false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3142: assume false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3149: assume false; [2021-11-05 13:56:58,395 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3138: assume !false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3137: assume false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3112: assume false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3113: assume !false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3118: assume !false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3117: assume false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3101: assume false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3102: assume !false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3107: assume !false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3106: assume false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3181: assume !false; [2021-11-05 13:56:58,396 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3180: assume false; [2021-11-05 13:56:58,397 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3185: assume false; [2021-11-05 13:56:58,397 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-11-05 13:56:58,398 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3186: assume !false; [2021-11-05 13:56:58,398 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-11-05 13:56:58,398 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##915: assume !false; [2021-11-05 13:56:58,398 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##914: assume false; [2021-11-05 13:56:58,398 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3176: assume !false; [2021-11-05 13:56:58,398 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3175: assume false; [2021-11-05 13:56:58,399 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1916: assume false; [2021-11-05 13:56:58,399 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1917: assume !false; [2021-11-05 13:56:58,399 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1911: assume false; [2021-11-05 13:56:58,399 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1912: assume !false; [2021-11-05 13:56:58,399 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1891: assume false; [2021-11-05 13:56:58,399 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1892: assume !false; [2021-11-05 13:56:58,399 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1880: assume false; [2021-11-05 13:56:58,399 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1881: assume !false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1886: assume false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1887: assume !false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1875: assume false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1876: assume !false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1860: assume false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1861: assume !false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1865: assume false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1866: assume !false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1840: assume false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1841: assume !false; [2021-11-05 13:56:58,400 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1830: assume false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1831: assume !false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1835: assume false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1836: assume !false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1805: assume !false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1809: assume false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1810: assume !false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1814: assume false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1815: assume !false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1804: assume false; [2021-11-05 13:56:58,401 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1772: assume false; [2021-11-05 13:56:58,402 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1773: assume !false; [2021-11-05 13:56:58,402 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1761: assume false; [2021-11-05 13:56:58,402 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1762: assume !false; [2021-11-05 13:56:58,402 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1767: assume false; [2021-11-05 13:56:58,402 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1768: assume !false; [2021-11-05 13:56:58,402 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1756: assume false; [2021-11-05 13:56:58,402 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1757: assume !false; [2021-11-05 13:56:58,403 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1741: assume false; [2021-11-05 13:56:58,403 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1742: assume !false; [2021-11-05 13:56:58,403 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1746: assume false; [2021-11-05 13:56:58,403 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1747: assume !false; [2021-11-05 13:56:58,403 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1792: assume false; [2021-11-05 13:56:58,403 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1793: assume !false; [2021-11-05 13:56:58,403 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1797: assume false; [2021-11-05 13:56:58,403 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1798: assume !false; [2021-11-05 13:56:58,423 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 13:56:58,424 INFO L299 CfgBuilder]: Removed 4123 assume(true) statements. [2021-11-05 13:56:58,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:56:58 BoogieIcfgContainer [2021-11-05 13:56:58,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 13:56:58,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 13:56:58,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 13:56:58,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 13:56:58,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:53:58" (1/3) ... [2021-11-05 13:56:58,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7402087f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:56:58, skipping insertion in model container [2021-11-05 13:56:58,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:53:59" (2/3) ... [2021-11-05 13:56:58,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7402087f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:56:58, skipping insertion in model container [2021-11-05 13:56:58,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:56:58" (3/3) ... [2021-11-05 13:56:58,433 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-block-loop.ko.cil.out.i [2021-11-05 13:56:58,436 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 13:56:58,436 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2021-11-05 13:56:58,484 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 13:56:58,489 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 [2021-11-05 13:56:58,489 INFO L340 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2021-11-05 13:56:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 4322 states, 4302 states have (on average 1.3621571362157137) internal successors, (5860), 4321 states have internal predecessors, (5860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:56:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-05 13:56:58,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:56:58,537 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:56:58,537 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:56:58,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:56:58,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1415841910, now seen corresponding path program 1 times [2021-11-05 13:56:58,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:56:58,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52410318] [2021-11-05 13:56:58,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:56:58,551 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:56:58,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:56:58,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:56:58,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-05 13:56:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:56:59,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 13:56:59,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:56:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:56:59,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:56:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:56:59,539 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:56:59,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52410318] [2021-11-05 13:56:59,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52410318] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:56:59,540 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:56:59,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-05 13:56:59,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100688048] [2021-11-05 13:56:59,541 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:56:59,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:56:59,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:56:59,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:56:59,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:56:59,572 INFO L87 Difference]: Start difference. First operand has 4322 states, 4302 states have (on average 1.3621571362157137) internal successors, (5860), 4321 states have internal predecessors, (5860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:00,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:00,846 INFO L93 Difference]: Finished difference Result 16570 states and 22698 transitions. [2021-11-05 13:57:00,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:57:00,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 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 9 [2021-11-05 13:57:00,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:00,916 INFO L225 Difference]: With dead ends: 16570 [2021-11-05 13:57:00,917 INFO L226 Difference]: Without dead ends: 12199 [2021-11-05 13:57:00,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.04ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:57:00,932 INFO L933 BasicCegarLoop]: 10709 mSDtfsCounter, 16173 mSDsluCounter, 10701 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 662.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16173 SdHoareTripleChecker+Valid, 21410 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 35.67ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 712.02ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:00,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16173 Valid, 21410 Invalid, 20 Unknown, 0 Unchecked, 35.67ms Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 712.02ms Time] [2021-11-05 13:57:00,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12199 states. [2021-11-05 13:57:01,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12199 to 4090. [2021-11-05 13:57:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4090 states, 4071 states have (on average 1.3151559813313682) internal successors, (5354), 4089 states have internal predecessors, (5354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4090 states to 4090 states and 5354 transitions. [2021-11-05 13:57:01,113 INFO L78 Accepts]: Start accepts. Automaton has 4090 states and 5354 transitions. Word has length 9 [2021-11-05 13:57:01,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:01,113 INFO L470 AbstractCegarLoop]: Abstraction has 4090 states and 5354 transitions. [2021-11-05 13:57:01,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:01,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4090 states and 5354 transitions. [2021-11-05 13:57:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-05 13:57:01,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:01,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:01,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-05 13:57:01,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:01,328 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:01,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:01,328 INFO L85 PathProgramCache]: Analyzing trace with hash -540315279, now seen corresponding path program 1 times [2021-11-05 13:57:01,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:01,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075256245] [2021-11-05 13:57:01,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:01,329 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:01,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:01,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:01,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-05 13:57:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:02,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 13:57:02,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:02,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:02,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:02,222 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:02,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075256245] [2021-11-05 13:57:02,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075256245] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:02,222 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:02,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-11-05 13:57:02,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670429686] [2021-11-05 13:57:02,222 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:02,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:57:02,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:02,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:57:02,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:57:02,224 INFO L87 Difference]: Start difference. First operand 4090 states and 5354 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:02,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:02,377 INFO L93 Difference]: Finished difference Result 8163 states and 10686 transitions. [2021-11-05 13:57:02,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 13:57:02,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 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 10 [2021-11-05 13:57:02,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:02,387 INFO L225 Difference]: With dead ends: 8163 [2021-11-05 13:57:02,388 INFO L226 Difference]: Without dead ends: 4078 [2021-11-05 13:57:02,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.40ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:57:02,393 INFO L933 BasicCegarLoop]: 5322 mSDtfsCounter, 10654 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10654 SdHoareTripleChecker+Valid, 5322 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.58ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.73ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:02,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10654 Valid, 5322 Invalid, 15 Unknown, 0 Unchecked, 8.58ms Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 44.73ms Time] [2021-11-05 13:57:02,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2021-11-05 13:57:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 4078. [2021-11-05 13:57:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 4059 states have (on average 1.3131313131313131) internal successors, (5330), 4077 states have internal predecessors, (5330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:02,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5330 transitions. [2021-11-05 13:57:02,459 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5330 transitions. Word has length 10 [2021-11-05 13:57:02,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:02,459 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5330 transitions. [2021-11-05 13:57:02,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5330 transitions. [2021-11-05 13:57:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-05 13:57:02,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:02,460 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:02,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-05 13:57:02,692 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:02,692 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:02,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:02,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1051617038, now seen corresponding path program 1 times [2021-11-05 13:57:02,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:02,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945034466] [2021-11-05 13:57:02,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:02,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:02,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:02,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:02,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-05 13:57:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:03,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 13:57:03,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:03,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:03,760 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:03,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1945034466] [2021-11-05 13:57:03,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1945034466] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:03,761 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:03,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-05 13:57:03,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403040271] [2021-11-05 13:57:03,761 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:03,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 13:57:03,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:03,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 13:57:03,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:57:03,762 INFO L87 Difference]: Start difference. First operand 4078 states and 5330 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:03,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:03,877 INFO L93 Difference]: Finished difference Result 8149 states and 10651 transitions. [2021-11-05 13:57:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 13:57:03,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-11-05 13:57:03,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:03,890 INFO L225 Difference]: With dead ends: 8149 [2021-11-05 13:57:03,890 INFO L226 Difference]: Without dead ends: 4078 [2021-11-05 13:57:03,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.91ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:57:03,900 INFO L933 BasicCegarLoop]: 5324 mSDtfsCounter, 5322 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5322 SdHoareTripleChecker+Valid, 5324 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.43ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.88ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:03,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5322 Valid, 5324 Invalid, 5 Unknown, 0 Unchecked, 6.43ms Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 19.88ms Time] [2021-11-05 13:57:03,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2021-11-05 13:57:03,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 4078. [2021-11-05 13:57:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 4059 states have (on average 1.3123922148312392) internal successors, (5327), 4077 states have internal predecessors, (5327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5327 transitions. [2021-11-05 13:57:04,002 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5327 transitions. Word has length 10 [2021-11-05 13:57:04,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:04,002 INFO L470 AbstractCegarLoop]: Abstraction has 4078 states and 5327 transitions. [2021-11-05 13:57:04,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5327 transitions. [2021-11-05 13:57:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-05 13:57:04,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:04,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:04,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-05 13:57:04,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:04,247 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:04,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:04,248 INFO L85 PathProgramCache]: Analyzing trace with hash -600431431, now seen corresponding path program 1 times [2021-11-05 13:57:04,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:04,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234287857] [2021-11-05 13:57:04,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:04,252 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:04,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:04,269 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:04,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-05 13:57:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:05,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 13:57:05,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:05,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:05,307 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:05,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234287857] [2021-11-05 13:57:05,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234287857] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:05,308 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:05,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-05 13:57:05,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418778619] [2021-11-05 13:57:05,308 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:05,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 13:57:05,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:05,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 13:57:05,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:57:05,309 INFO L87 Difference]: Start difference. First operand 4078 states and 5327 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:06,206 INFO L93 Difference]: Finished difference Result 12086 states and 15810 transitions. [2021-11-05 13:57:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 13:57:06,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 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 14 [2021-11-05 13:57:06,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:06,226 INFO L225 Difference]: With dead ends: 12086 [2021-11-05 13:57:06,226 INFO L226 Difference]: Without dead ends: 8059 [2021-11-05 13:57:06,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 13:57:06,233 INFO L933 BasicCegarLoop]: 5498 mSDtfsCounter, 5270 mSDsluCounter, 5189 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 431.64ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5270 SdHoareTripleChecker+Valid, 10687 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.24ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 477.76ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:06,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5270 Valid, 10687 Invalid, 105 Unknown, 0 Unchecked, 15.24ms Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 477.76ms Time] [2021-11-05 13:57:06,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8059 states. [2021-11-05 13:57:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8059 to 8023. [2021-11-05 13:57:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8023 states, 8004 states have (on average 1.3125937031484258) internal successors, (10506), 8022 states have internal predecessors, (10506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8023 states to 8023 states and 10506 transitions. [2021-11-05 13:57:06,392 INFO L78 Accepts]: Start accepts. Automaton has 8023 states and 10506 transitions. Word has length 14 [2021-11-05 13:57:06,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:06,392 INFO L470 AbstractCegarLoop]: Abstraction has 8023 states and 10506 transitions. [2021-11-05 13:57:06,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 8023 states and 10506 transitions. [2021-11-05 13:57:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-05 13:57:06,395 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:06,395 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] [2021-11-05 13:57:06,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-05 13:57:06,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:06,613 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:06,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:06,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1657338387, now seen corresponding path program 1 times [2021-11-05 13:57:06,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:06,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886667491] [2021-11-05 13:57:06,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:06,615 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:06,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:06,617 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:06,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-05 13:57:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:07,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 13:57:07,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:07,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:07,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:07,903 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:07,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886667491] [2021-11-05 13:57:07,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886667491] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:07,904 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:07,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-05 13:57:07,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577661344] [2021-11-05 13:57:07,904 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:07,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:57:07,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:07,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:57:07,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:57:07,914 INFO L87 Difference]: Start difference. First operand 8023 states and 10506 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:08,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:08,256 INFO L93 Difference]: Finished difference Result 15986 states and 20941 transitions. [2021-11-05 13:57:08,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-05 13:57:08,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 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 34 [2021-11-05 13:57:08,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:08,279 INFO L225 Difference]: With dead ends: 15986 [2021-11-05 13:57:08,280 INFO L226 Difference]: Without dead ends: 8014 [2021-11-05 13:57:08,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 189.43ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 13:57:08,291 INFO L933 BasicCegarLoop]: 5325 mSDtfsCounter, 2 mSDsluCounter, 21288 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 26613 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.80ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.30ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:08,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 26613 Invalid, 17 Unknown, 0 Unchecked, 13.80ms Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 87.30ms Time] [2021-11-05 13:57:08,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8014 states. [2021-11-05 13:57:08,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8014 to 8014. [2021-11-05 13:57:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8014 states, 7995 states have (on average 1.3125703564727955) internal successors, (10494), 8013 states have internal predecessors, (10494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:08,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 8014 states and 10494 transitions. [2021-11-05 13:57:08,526 INFO L78 Accepts]: Start accepts. Automaton has 8014 states and 10494 transitions. Word has length 34 [2021-11-05 13:57:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:08,526 INFO L470 AbstractCegarLoop]: Abstraction has 8014 states and 10494 transitions. [2021-11-05 13:57:08,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 8014 states and 10494 transitions. [2021-11-05 13:57:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-05 13:57:08,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:08,530 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] [2021-11-05 13:57:08,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-05 13:57:08,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:08,747 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:08,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:08,748 INFO L85 PathProgramCache]: Analyzing trace with hash -588898912, now seen corresponding path program 1 times [2021-11-05 13:57:08,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:08,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335098033] [2021-11-05 13:57:08,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:08,749 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:08,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:08,750 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:08,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-05 13:57:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:09,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 13:57:09,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:09,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:10,078 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:10,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335098033] [2021-11-05 13:57:10,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335098033] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:10,079 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:10,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-05 13:57:10,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275346567] [2021-11-05 13:57:10,079 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:10,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:57:10,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:10,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:57:10,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:57:10,079 INFO L87 Difference]: Start difference. First operand 8014 states and 10494 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:10,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:10,386 INFO L93 Difference]: Finished difference Result 16019 states and 20980 transitions. [2021-11-05 13:57:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 13:57:10,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 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 39 [2021-11-05 13:57:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:10,399 INFO L225 Difference]: With dead ends: 16019 [2021-11-05 13:57:10,400 INFO L226 Difference]: Without dead ends: 8052 [2021-11-05 13:57:10,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 171.71ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:57:10,411 INFO L933 BasicCegarLoop]: 5310 mSDtfsCounter, 5431 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 72.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5431 SdHoareTripleChecker+Valid, 10627 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.89ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.97ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:10,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5431 Valid, 10627 Invalid, 17 Unknown, 0 Unchecked, 13.89ms Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 79.97ms Time] [2021-11-05 13:57:10,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8052 states. [2021-11-05 13:57:10,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8052 to 8052. [2021-11-05 13:57:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8052 states, 8033 states have (on average 1.3118386655047927) internal successors, (10538), 8051 states have internal predecessors, (10538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8052 states to 8052 states and 10538 transitions. [2021-11-05 13:57:10,591 INFO L78 Accepts]: Start accepts. Automaton has 8052 states and 10538 transitions. Word has length 39 [2021-11-05 13:57:10,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:10,591 INFO L470 AbstractCegarLoop]: Abstraction has 8052 states and 10538 transitions. [2021-11-05 13:57:10,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 8052 states and 10538 transitions. [2021-11-05 13:57:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-05 13:57:10,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:10,595 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:10,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-05 13:57:10,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:10,810 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:10,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:10,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1640348576, now seen corresponding path program 1 times [2021-11-05 13:57:10,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:10,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485129576] [2021-11-05 13:57:10,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:10,812 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:10,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:10,813 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:10,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-05 13:57:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:11,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-05 13:57:11,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 13:57:12,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:12,516 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-05 13:57:12,516 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:12,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485129576] [2021-11-05 13:57:12,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [485129576] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:12,516 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:12,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-05 13:57:12,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305475993] [2021-11-05 13:57:12,517 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:12,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:57:12,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:12,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:57:12,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:57:12,517 INFO L87 Difference]: Start difference. First operand 8052 states and 10538 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:13,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:13,521 INFO L93 Difference]: Finished difference Result 16063 states and 21029 transitions. [2021-11-05 13:57:13,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:57:13,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2021-11-05 13:57:13,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:13,536 INFO L225 Difference]: With dead ends: 16063 [2021-11-05 13:57:13,536 INFO L226 Difference]: Without dead ends: 8044 [2021-11-05 13:57:13,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 221.59ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:57:13,546 INFO L933 BasicCegarLoop]: 5313 mSDtfsCounter, 1 mSDsluCounter, 15926 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 745.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21239 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.19ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 785.80ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:13,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 21239 Invalid, 15 Unknown, 0 Unchecked, 10.19ms Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 785.80ms Time] [2021-11-05 13:57:13,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8044 states. [2021-11-05 13:57:13,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8044 to 8044. [2021-11-05 13:57:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3114018691588785) internal successors, (10524), 8043 states have internal predecessors, (10524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10524 transitions. [2021-11-05 13:57:13,712 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10524 transitions. Word has length 65 [2021-11-05 13:57:13,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:13,713 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10524 transitions. [2021-11-05 13:57:13,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10524 transitions. [2021-11-05 13:57:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-05 13:57:13,715 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:13,715 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:13,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-05 13:57:13,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:13,935 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:13,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:13,935 INFO L85 PathProgramCache]: Analyzing trace with hash -498880212, now seen corresponding path program 1 times [2021-11-05 13:57:13,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:13,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284771189] [2021-11-05 13:57:13,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:13,936 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:13,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:13,938 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:13,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-05 13:57:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:15,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-05 13:57:15,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:15,829 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-05 13:57:15,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-05 13:57:16,709 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:16,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284771189] [2021-11-05 13:57:16,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284771189] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:16,710 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:16,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-05 13:57:16,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347356390] [2021-11-05 13:57:16,710 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:16,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-05 13:57:16,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:16,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-05 13:57:16,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-05 13:57:16,711 INFO L87 Difference]: Start difference. First operand 8044 states and 10524 transitions. Second operand has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:19,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:19,330 INFO L93 Difference]: Finished difference Result 23955 states and 31358 transitions. [2021-11-05 13:57:19,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 13:57:19,331 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-11-05 13:57:19,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:19,355 INFO L225 Difference]: With dead ends: 23955 [2021-11-05 13:57:19,356 INFO L226 Difference]: Without dead ends: 15922 [2021-11-05 13:57:19,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1111.89ms TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2021-11-05 13:57:19,368 INFO L933 BasicCegarLoop]: 5288 mSDtfsCounter, 10387 mSDsluCounter, 36940 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1502.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10387 SdHoareTripleChecker+Valid, 42228 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.10ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1697.71ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:19,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10387 Valid, 42228 Invalid, 259 Unknown, 0 Unchecked, 37.10ms Time], IncrementalHoareTripleChecker [34 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 1697.71ms Time] [2021-11-05 13:57:19,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15922 states. [2021-11-05 13:57:19,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15922 to 8044. [2021-11-05 13:57:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.311152647975078) internal successors, (10522), 8043 states have internal predecessors, (10522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10522 transitions. [2021-11-05 13:57:19,625 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10522 transitions. Word has length 87 [2021-11-05 13:57:19,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:19,625 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10522 transitions. [2021-11-05 13:57:19,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:19,625 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10522 transitions. [2021-11-05 13:57:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-05 13:57:19,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:19,627 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:19,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-05 13:57:19,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:19,843 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:19,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:19,844 INFO L85 PathProgramCache]: Analyzing trace with hash 167604416, now seen corresponding path program 1 times [2021-11-05 13:57:19,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:19,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788101855] [2021-11-05 13:57:19,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:19,846 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:19,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:19,846 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:19,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-05 13:57:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:20,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-05 13:57:20,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-05 13:57:22,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:22,939 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-05 13:57:22,940 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:22,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788101855] [2021-11-05 13:57:22,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788101855] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:22,941 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:22,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 5] imperfect sequences [] total 14 [2021-11-05 13:57:22,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811392151] [2021-11-05 13:57:22,941 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:22,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-05 13:57:22,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:22,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-05 13:57:22,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-05 13:57:22,948 INFO L87 Difference]: Start difference. First operand 8044 states and 10522 transitions. Second operand has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:26,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 13:57:27,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 13:57:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:32,144 INFO L93 Difference]: Finished difference Result 23938 states and 31337 transitions. [2021-11-05 13:57:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-05 13:57:32,145 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2021-11-05 13:57:32,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:32,172 INFO L225 Difference]: With dead ends: 23938 [2021-11-05 13:57:32,173 INFO L226 Difference]: Without dead ends: 15916 [2021-11-05 13:57:32,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1988.75ms TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2021-11-05 13:57:32,188 INFO L933 BasicCegarLoop]: 10438 mSDtfsCounter, 67937 mSDsluCounter, 31408 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6801.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 67937 SdHoareTripleChecker+Valid, 41846 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 91.44ms SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7228.61ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:32,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67937 Valid, 41846 Invalid, 497 Unknown, 0 Unchecked, 91.44ms Time], IncrementalHoareTripleChecker [86 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 7228.61ms Time] [2021-11-05 13:57:32,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15916 states. [2021-11-05 13:57:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15916 to 8044. [2021-11-05 13:57:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3109034267912774) internal successors, (10520), 8043 states have internal predecessors, (10520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10520 transitions. [2021-11-05 13:57:32,565 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10520 transitions. Word has length 93 [2021-11-05 13:57:32,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:32,565 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10520 transitions. [2021-11-05 13:57:32,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.714285714285714) internal successors, (94), 14 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:32,566 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10520 transitions. [2021-11-05 13:57:32,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-05 13:57:32,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:32,567 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:32,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-05 13:57:32,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:32,793 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:32,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:32,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1026254778, now seen corresponding path program 1 times [2021-11-05 13:57:32,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:32,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718404539] [2021-11-05 13:57:32,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:32,795 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:32,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:32,796 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:32,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-05 13:57:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:33,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-05 13:57:33,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-05 13:57:34,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-05 13:57:35,270 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:35,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718404539] [2021-11-05 13:57:35,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718404539] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:35,270 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:35,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-05 13:57:35,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699233384] [2021-11-05 13:57:35,270 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:35,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-05 13:57:35,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:35,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-05 13:57:35,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-05 13:57:35,271 INFO L87 Difference]: Start difference. First operand 8044 states and 10520 transitions. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:37,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:37,765 INFO L93 Difference]: Finished difference Result 23898 states and 31291 transitions. [2021-11-05 13:57:37,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 13:57:37,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 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 99 [2021-11-05 13:57:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:37,819 INFO L225 Difference]: With dead ends: 23898 [2021-11-05 13:57:37,819 INFO L226 Difference]: Without dead ends: 15883 [2021-11-05 13:57:37,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 520.83ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-05 13:57:37,832 INFO L933 BasicCegarLoop]: 10000 mSDtfsCounter, 5165 mSDsluCounter, 30466 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1392.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5165 SdHoareTripleChecker+Valid, 40466 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.55ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1524.83ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:37,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5165 Valid, 40466 Invalid, 204 Unknown, 0 Unchecked, 28.55ms Time], IncrementalHoareTripleChecker [15 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 1524.83ms Time] [2021-11-05 13:57:37,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15883 states. [2021-11-05 13:57:38,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15883 to 8044. [2021-11-05 13:57:38,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8044 states, 8025 states have (on average 1.3106542056074766) internal successors, (10518), 8043 states have internal predecessors, (10518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8044 states to 8044 states and 10518 transitions. [2021-11-05 13:57:38,267 INFO L78 Accepts]: Start accepts. Automaton has 8044 states and 10518 transitions. Word has length 99 [2021-11-05 13:57:38,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:38,268 INFO L470 AbstractCegarLoop]: Abstraction has 8044 states and 10518 transitions. [2021-11-05 13:57:38,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:38,268 INFO L276 IsEmpty]: Start isEmpty. Operand 8044 states and 10518 transitions. [2021-11-05 13:57:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-05 13:57:38,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:38,270 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:38,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-05 13:57:38,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:38,497 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:38,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:38,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1546477216, now seen corresponding path program 1 times [2021-11-05 13:57:38,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:38,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627005819] [2021-11-05 13:57:38,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:38,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:38,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:38,499 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:38,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-05 13:57:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:57:39,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-05 13:57:39,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:41,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:42,853 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:57:42,854 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:42,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627005819] [2021-11-05 13:57:42,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627005819] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:57:42,854 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-05 13:57:42,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-05 13:57:42,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731747642] [2021-11-05 13:57:42,854 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-05 13:57:42,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-05 13:57:42,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:42,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-05 13:57:42,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-05 13:57:42,856 INFO L87 Difference]: Start difference. First operand 8044 states and 10518 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:43,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:43,849 INFO L93 Difference]: Finished difference Result 16143 states and 21094 transitions. [2021-11-05 13:57:43,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-05 13:57:43,850 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 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 105 [2021-11-05 13:57:43,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:43,862 INFO L225 Difference]: With dead ends: 16143 [2021-11-05 13:57:43,863 INFO L226 Difference]: Without dead ends: 8176 [2021-11-05 13:57:43,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 641.98ms TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-11-05 13:57:43,877 INFO L933 BasicCegarLoop]: 5360 mSDtfsCounter, 5647 mSDsluCounter, 16051 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 269.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5647 SdHoareTripleChecker+Valid, 21411 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.85ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 294.62ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:43,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5647 Valid, 21411 Invalid, 61 Unknown, 0 Unchecked, 15.85ms Time], IncrementalHoareTripleChecker [12 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 294.62ms Time] [2021-11-05 13:57:43,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8176 states. [2021-11-05 13:57:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8176 to 8176. [2021-11-05 13:57:44,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8176 states, 8157 states have (on average 1.3056270687752851) internal successors, (10650), 8175 states have internal predecessors, (10650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8176 states to 8176 states and 10650 transitions. [2021-11-05 13:57:44,307 INFO L78 Accepts]: Start accepts. Automaton has 8176 states and 10650 transitions. Word has length 105 [2021-11-05 13:57:44,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:44,308 INFO L470 AbstractCegarLoop]: Abstraction has 8176 states and 10650 transitions. [2021-11-05 13:57:44,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 8176 states and 10650 transitions. [2021-11-05 13:57:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-05 13:57:44,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:44,310 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:44,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-05 13:57:44,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:44,535 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:44,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:44,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1194385248, now seen corresponding path program 2 times [2021-11-05 13:57:44,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:44,537 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514313185] [2021-11-05 13:57:44,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-05 13:57:44,537 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:44,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:44,539 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:44,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-05 13:57:45,381 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-05 13:57:45,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-05 13:57:45,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-05 13:57:45,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:57:47,844 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-05 13:57:47,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:57:50,365 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-11-05 13:57:50,365 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:57:50,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514313185] [2021-11-05 13:57:50,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514313185] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:57:50,365 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:57:50,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-05 13:57:50,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110679204] [2021-11-05 13:57:50,365 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:57:50,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:57:50,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:57:50,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:57:50,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:57:50,366 INFO L87 Difference]: Start difference. First operand 8176 states and 10650 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:52,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 13:57:55,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:57:55,619 INFO L93 Difference]: Finished difference Result 32058 states and 42028 transitions. [2021-11-05 13:57:55,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 13:57:55,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 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 237 [2021-11-05 13:57:55,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:57:55,660 INFO L225 Difference]: With dead ends: 32058 [2021-11-05 13:57:55,661 INFO L226 Difference]: Without dead ends: 28031 [2021-11-05 13:57:55,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 166.85ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-05 13:57:55,677 INFO L933 BasicCegarLoop]: 10412 mSDtfsCounter, 41462 mSDsluCounter, 20790 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 223 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3497.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41462 SdHoareTripleChecker+Valid, 31202 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.59ms SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3668.62ms IncrementalHoareTripleChecker+Time [2021-11-05 13:57:55,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41462 Valid, 31202 Invalid, 476 Unknown, 0 Unchecked, 45.59ms Time], IncrementalHoareTripleChecker [223 Valid, 252 Invalid, 1 Unknown, 0 Unchecked, 3668.62ms Time] [2021-11-05 13:57:55,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28031 states. [2021-11-05 13:57:57,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28031 to 23938. [2021-11-05 13:57:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23938 states, 23919 states have (on average 1.3110916008194322) internal successors, (31360), 23937 states have internal predecessors, (31360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23938 states to 23938 states and 31360 transitions. [2021-11-05 13:57:57,193 INFO L78 Accepts]: Start accepts. Automaton has 23938 states and 31360 transitions. Word has length 237 [2021-11-05 13:57:57,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:57:57,193 INFO L470 AbstractCegarLoop]: Abstraction has 23938 states and 31360 transitions. [2021-11-05 13:57:57,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:57:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 23938 states and 31360 transitions. [2021-11-05 13:57:57,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-05 13:57:57,195 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:57:57,196 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:57:57,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-11-05 13:57:57,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:57:57,420 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:57:57,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:57:57,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1587412258, now seen corresponding path program 1 times [2021-11-05 13:57:57,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:57:57,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2122732345] [2021-11-05 13:57:57,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:57:57,422 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:57:57,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:57:57,424 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:57:57,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-05 13:58:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:58:00,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1818 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-05 13:58:00,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:58:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:58:05,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:58:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 13:58:09,475 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:58:09,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2122732345] [2021-11-05 13:58:09,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2122732345] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-05 13:58:09,475 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-05 13:58:09,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-11-05 13:58:09,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305585187] [2021-11-05 13:58:09,476 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-05 13:58:09,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-05 13:58:09,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:58:09,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-05 13:58:09,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-11-05 13:58:09,477 INFO L87 Difference]: Start difference. First operand 23938 states and 31360 transitions. Second operand has 18 states, 18 states have (on average 24.444444444444443) internal successors, (440), 18 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:58:12,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:58:12,357 INFO L93 Difference]: Finished difference Result 47733 states and 62578 transitions. [2021-11-05 13:58:12,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-05 13:58:12,358 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 24.444444444444443) internal successors, (440), 18 states have internal predecessors, (440), 0 states have call successors, (0), 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 237 [2021-11-05 13:58:12,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:58:12,399 INFO L225 Difference]: With dead ends: 47733 [2021-11-05 13:58:12,400 INFO L226 Difference]: Without dead ends: 24004 [2021-11-05 13:58:12,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1448.37ms TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2021-11-05 13:58:12,430 INFO L933 BasicCegarLoop]: 5480 mSDtfsCounter, 5775 mSDsluCounter, 64954 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1166.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5775 SdHoareTripleChecker+Valid, 70434 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 44.60ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1255.88ms IncrementalHoareTripleChecker+Time [2021-11-05 13:58:12,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5775 Valid, 70434 Invalid, 261 Unknown, 0 Unchecked, 44.60ms Time], IncrementalHoareTripleChecker [16 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 1255.88ms Time] [2021-11-05 13:58:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24004 states. [2021-11-05 13:58:13,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24004 to 24004. [2021-11-05 13:58:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24004 states, 23985 states have (on average 1.3102355638941006) internal successors, (31426), 24003 states have internal predecessors, (31426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:58:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24004 states to 24004 states and 31426 transitions. [2021-11-05 13:58:13,902 INFO L78 Accepts]: Start accepts. Automaton has 24004 states and 31426 transitions. Word has length 237 [2021-11-05 13:58:13,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:58:13,902 INFO L470 AbstractCegarLoop]: Abstraction has 24004 states and 31426 transitions. [2021-11-05 13:58:13,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 24.444444444444443) internal successors, (440), 18 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:58:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 24004 states and 31426 transitions. [2021-11-05 13:58:13,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-05 13:58:13,905 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:58:13,905 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:58:13,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-05 13:58:14,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:58:14,131 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:58:14,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:58:14,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1188856798, now seen corresponding path program 2 times [2021-11-05 13:58:14,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:58:14,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763539222] [2021-11-05 13:58:14,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-05 13:58:14,134 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:58:14,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:58:14,135 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:58:14,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-05 13:58:14,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-05 13:58:14,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-05 13:58:15,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-05 13:58:15,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:58:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2021-11-05 13:58:15,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:58:16,112 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2021-11-05 13:58:16,112 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:58:16,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763539222] [2021-11-05 13:58:16,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763539222] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:58:16,112 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:58:16,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-05 13:58:16,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112864135] [2021-11-05 13:58:16,113 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:58:16,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 13:58:16,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:58:16,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 13:58:16,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-05 13:58:16,113 INFO L87 Difference]: Start difference. First operand 24004 states and 31426 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:58:18,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 13:58:20,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 13:58:30,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:58:30,629 INFO L93 Difference]: Finished difference Result 162896 states and 213770 transitions. [2021-11-05 13:58:30,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 13:58:30,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 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 303 [2021-11-05 13:58:30,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:58:30,884 INFO L225 Difference]: With dead ends: 162896 [2021-11-05 13:58:30,884 INFO L226 Difference]: Without dead ends: 139175 [2021-11-05 13:58:31,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 610 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 421.13ms TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-05 13:58:31,082 INFO L933 BasicCegarLoop]: 16558 mSDtfsCounter, 29713 mSDsluCounter, 40792 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 47 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5807.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 29713 SdHoareTripleChecker+Valid, 57350 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 65.55ms SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6147.89ms IncrementalHoareTripleChecker+Time [2021-11-05 13:58:31,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29713 Valid, 57350 Invalid, 225 Unknown, 0 Unchecked, 65.55ms Time], IncrementalHoareTripleChecker [47 Valid, 176 Invalid, 2 Unknown, 0 Unchecked, 6147.89ms Time] [2021-11-05 13:58:31,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139175 states. [2021-11-05 13:58:35,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139175 to 47345. [2021-11-05 13:58:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47345 states, 47326 states have (on average 1.3114567045598613) internal successors, (62066), 47344 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:58:35,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47345 states to 47345 states and 62066 transitions. [2021-11-05 13:58:35,667 INFO L78 Accepts]: Start accepts. Automaton has 47345 states and 62066 transitions. Word has length 303 [2021-11-05 13:58:35,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 13:58:35,667 INFO L470 AbstractCegarLoop]: Abstraction has 47345 states and 62066 transitions. [2021-11-05 13:58:35,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:58:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 47345 states and 62066 transitions. [2021-11-05 13:58:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-05 13:58:35,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 13:58:35,671 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 13:58:35,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-05 13:58:35,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-05 13:58:35,889 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 16 more)] === [2021-11-05 13:58:35,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 13:58:35,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1365288490, now seen corresponding path program 1 times [2021-11-05 13:58:35,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-05 13:58:35,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845847903] [2021-11-05 13:58:35,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 13:58:35,891 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-05 13:58:35,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-05 13:58:35,893 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-05 13:58:35,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-05 13:58:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 13:58:40,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 2268 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-05 13:58:40,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-05 13:58:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2021-11-05 13:58:43,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-05 13:58:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 932 trivial. 0 not checked. [2021-11-05 13:58:46,069 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-05 13:58:46,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845847903] [2021-11-05 13:58:46,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845847903] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-05 13:58:46,069 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-05 13:58:46,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-05 13:58:46,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913942418] [2021-11-05 13:58:46,069 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-05 13:58:46,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 13:58:46,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-05 13:58:46,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 13:58:46,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:58:46,070 INFO L87 Difference]: Start difference. First operand 47345 states and 62066 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 13:58:55,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 13:58:55,789 INFO L93 Difference]: Finished difference Result 179603 states and 236335 transitions. [2021-11-05 13:58:55,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-05 13:58:55,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 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 305 [2021-11-05 13:58:55,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 13:58:56,111 INFO L225 Difference]: With dead ends: 179603 [2021-11-05 13:58:56,111 INFO L226 Difference]: Without dead ends: 132539 [2021-11-05 13:58:56,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 40.29ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-05 13:58:56,211 INFO L933 BasicCegarLoop]: 5300 mSDtfsCounter, 14317 mSDsluCounter, 9988 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14317 SdHoareTripleChecker+Valid, 15288 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.80ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.00ms IncrementalHoareTripleChecker+Time [2021-11-05 13:58:56,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14317 Valid, 15288 Invalid, 23 Unknown, 0 Unchecked, 21.80ms Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 75.00ms Time] [2021-11-05 13:58:56,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132539 states.