./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4d014703 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/usb_urb-drivers-vhost-vhost_net.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 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-4d01470 [2021-11-02 14:31:39,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 14:31:39,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 14:31:39,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 14:31:39,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 14:31:39,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 14:31:39,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 14:31:39,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 14:31:39,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 14:31:39,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 14:31:39,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 14:31:39,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 14:31:39,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 14:31:39,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 14:31:39,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 14:31:39,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 14:31:39,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 14:31:39,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 14:31:39,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 14:31:39,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 14:31:39,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 14:31:39,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 14:31:39,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 14:31:39,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 14:31:39,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 14:31:39,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 14:31:39,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 14:31:39,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 14:31:39,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 14:31:39,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 14:31:39,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 14:31:39,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 14:31:39,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 14:31:39,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 14:31:39,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 14:31:39,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 14:31:39,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 14:31:39,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 14:31:39,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 14:31:39,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 14:31:39,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 14:31:39,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-02 14:31:39,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 14:31:39,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 14:31:39,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 14:31:39,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 14:31:39,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 14:31:39,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 14:31:39,573 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 14:31:39,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 14:31:39,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 14:31:39,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 14:31:39,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 14:31:39,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 14:31:39,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 14:31:39,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 14:31:39,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 14:31:39,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 14:31:39,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 14:31:39,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 14:31:39,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 14:31:39,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:31:39,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 14:31:39,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 14:31:39,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 14:31:39,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 14:31:39,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 14:31:39,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 14:31:39,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 14:31:39,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 14:31:39,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 14:31:39,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55670862d435f89395d9c5bd913c74ebb8ba36be27c93bd654b4a4c0e448a603 [2021-11-02 14:31:39,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 14:31:39,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 14:31:39,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 14:31:39,813 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 14:31:39,814 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 14:31:39,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-11-02 14:31:39,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61414d3a6/eefed240d41a4d29a3c88853cf1d4af0/FLAGffb9e6cf6 [2021-11-02 14:31:40,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 14:31:40,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-11-02 14:31:40,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61414d3a6/eefed240d41a4d29a3c88853cf1d4af0/FLAGffb9e6cf6 [2021-11-02 14:31:40,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61414d3a6/eefed240d41a4d29a3c88853cf1d4af0 [2021-11-02 14:31:40,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 14:31:40,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 14:31:40,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 14:31:40,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 14:31:40,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 14:31:40,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:31:40" (1/1) ... [2021-11-02 14:31:40,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee3839b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:40, skipping insertion in model container [2021-11-02 14:31:40,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 02:31:40" (1/1) ... [2021-11-02 14:31:40,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 14:31:40,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 14:31:41,869 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/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2021-11-02 14:31:42,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:31:42,157 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 14:31:42,384 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/usb_urb-drivers-vhost-vhost_net.ko.cil.out.i[345844,345857] [2021-11-02 14:31:42,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 14:31:42,522 INFO L208 MainTranslator]: Completed translation [2021-11-02 14:31:42,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42 WrapperNode [2021-11-02 14:31:42,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 14:31:42,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 14:31:42,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 14:31:42,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 14:31:42,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:42,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:43,140 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 14:31:43,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 14:31:43,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 14:31:43,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 14:31:43,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:43,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:43,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:43,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:43,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:43,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:43,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:44,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 14:31:44,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 14:31:44,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 14:31:44,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 14:31:44,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (1/1) ... [2021-11-02 14:31:44,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 14:31:44,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-02 14:31:44,069 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) [2021-11-02 14:31:44,125 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 [2021-11-02 14:31:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-02 14:31:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 14:31:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-02 14:31:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-02 14:31:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-02 14:31:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 14:31:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 14:31:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 14:31:44,800 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,813 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,827 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,833 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,837 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,840 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,845 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,847 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,849 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,851 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,853 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,854 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,855 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,856 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,856 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,858 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,858 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,859 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,865 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,867 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,869 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,870 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,872 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,874 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,877 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,878 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,879 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,886 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,887 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,889 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,890 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,891 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,895 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,897 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,898 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,900 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,904 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,905 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,908 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,908 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,909 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,910 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,912 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,913 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,915 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,918 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,919 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,920 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,921 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,922 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,924 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,925 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,926 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,927 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,928 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,928 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,931 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,932 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,933 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,934 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,934 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,935 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,936 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,936 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,938 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,938 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,938 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,939 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,939 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,939 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,943 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,944 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,945 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,946 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,947 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,950 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,951 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,953 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,955 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,957 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,959 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,960 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,961 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,962 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,963 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,964 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,965 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,965 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,965 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,967 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,967 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,967 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,970 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,972 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,973 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,974 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:44,975 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,028 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,029 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,030 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,031 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,035 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,036 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,037 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,039 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,040 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,044 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,045 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,046 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,047 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,050 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,052 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,054 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,054 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,055 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,078 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,079 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,080 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,081 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,082 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,083 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,084 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,085 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,086 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,096 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,096 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,097 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,098 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,099 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,099 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,100 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,100 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,102 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,102 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,102 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,103 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,103 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,104 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,105 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,105 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,106 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,106 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,106 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,107 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,111 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,112 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,112 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,113 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,114 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,116 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,117 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,118 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,118 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,121 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,123 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,123 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,124 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:45,125 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-02 14:31:52,880 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2580: assume !false; [2021-11-02 14:31:52,880 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2579: assume false; [2021-11-02 14:31:52,880 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2531: assume false; [2021-11-02 14:31:52,880 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2532: assume !false; [2021-11-02 14:31:52,881 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2483: assume false; [2021-11-02 14:31:52,881 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2484: assume !false; [2021-11-02 14:31:52,881 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2436: assume !false; [2021-11-02 14:31:52,881 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2435: assume false; [2021-11-02 14:31:52,881 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2390: assume !false; [2021-11-02 14:31:52,881 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2389: assume false; [2021-11-02 14:31:52,881 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2368: assume !false; [2021-11-02 14:31:52,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2367: assume false; [2021-11-02 14:31:52,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2269: assume !false; [2021-11-02 14:31:52,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2268: assume false; [2021-11-02 14:31:52,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2221: assume !false; [2021-11-02 14:31:52,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2220: assume false; [2021-11-02 14:31:52,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4886: assume false; [2021-11-02 14:31:52,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4887: assume !false; [2021-11-02 14:31:52,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2021-11-02 14:31:52,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2021-11-02 14:31:52,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4858: assume false; [2021-11-02 14:31:52,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4859: assume !false; [2021-11-02 14:31:52,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4836: assume false; [2021-11-02 14:31:52,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4837: assume !false; [2021-11-02 14:31:52,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2997: assume !false; [2021-11-02 14:31:52,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2996: assume false; [2021-11-02 14:31:52,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2829: assume false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2830: assume !false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2894: assume !false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2893: assume false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2733: assume false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2734: assume !false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2782: assume !false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2781: assume false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2616: assume !false; [2021-11-02 14:31:52,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2615: assume false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##194: assume !false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##146: assume !false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##145: assume false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2685: assume false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2686: assume !false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4320: assume !false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4319: assume false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume !false; [2021-11-02 14:31:52,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6932: assume !false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6931: assume false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4223: assume false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4224: assume !false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6867: assume false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6868: assume !false; [2021-11-02 14:31:52,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4271: assume false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4272: assume !false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6820: assume !false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6819: assume false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##349: assume false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##350: assume !false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6771: assume false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6772: assume !false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6724: assume !false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6723: assume false; [2021-11-02 14:31:52,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4175: assume false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4176: assume !false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##461: assume !false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##460: assume false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4004: assume false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4005: assume !false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6654: assume !false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6653: assume false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##557: assume !false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##556: assume false; [2021-11-02 14:31:52,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##508: assume false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##509: assume !false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6618: assume !false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6617: assume false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4064: assume false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4065: assume !false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##665: assume false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##666: assume !false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##605: assume !false; [2021-11-02 14:31:52,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##604: assume false; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##642: assume !false;call ULTIMATE.dealloc(vhost_net_ioctl_~#backend~0.base, vhost_net_ioctl_~#backend~0.offset);havoc vhost_net_ioctl_~#backend~0.base, vhost_net_ioctl_~#backend~0.offset;call ULTIMATE.dealloc(vhost_net_ioctl_~#features~0.base, vhost_net_ioctl_~#features~0.offset);havoc vhost_net_ioctl_~#features~0.base, vhost_net_ioctl_~#features~0.offset; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##641: assume false; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4766: assume false; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4767: assume !false; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4750: assume false; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4751: assume !false; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4734: assume false; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4735: assume !false; [2021-11-02 14:31:52,890 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##697: assume !false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##696: assume false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4703: assume false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4704: assume !false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##799: assume !false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##798: assume false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2045: assume false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2046: assume !false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##728: assume false; [2021-11-02 14:31:52,891 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##729: assume !false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4680: assume !false;call ULTIMATE.dealloc(vhost_net_ioctl_~#backend~0.base, vhost_net_ioctl_~#backend~0.offset);havoc vhost_net_ioctl_~#backend~0.base, vhost_net_ioctl_~#backend~0.offset;call ULTIMATE.dealloc(vhost_net_ioctl_~#features~0.base, vhost_net_ioctl_~#features~0.offset);havoc vhost_net_ioctl_~#features~0.base, vhost_net_ioctl_~#features~0.offset; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4679: assume false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##713: assume !false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##712: assume false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2094: assume !false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2093: assume false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4644: assume !false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4643: assume false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4596: assume !false; [2021-11-02 14:31:52,892 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4595: assume false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##849: assume !false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##848: assume false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4547: assume false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4548: assume !false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##821: assume !false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##820: assume false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4500: assume !false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4499: assume false; [2021-11-02 14:31:52,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4450: assume !false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4449: assume false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7484: assume !false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7483: assume false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7462: assume !false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7461: assume false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7434: assume !false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7433: assume false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7412: assume !false; [2021-11-02 14:31:52,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7411: assume false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7298: assume !false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7297: assume false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7276: assume !false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7275: assume false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7192: assume !false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7191: assume false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7178: assume !false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7177: assume false; [2021-11-02 14:31:52,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7107: assume !false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7106: assume false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7060: assume false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7061: assume !false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7048: assume !false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7047: assume false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7035: assume !false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7034: assume false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5249: assume !false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5248: assume false; [2021-11-02 14:31:52,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7899: assume !false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7898: assume false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7732: assume !false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7731: assume false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7720: assume !false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7719: assume false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7701: assume !false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7700: assume false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5188: assume false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5189: assume !false; [2021-11-02 14:31:52,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5140: assume false; [2021-11-02 14:31:52,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5141: assume !false; [2021-11-02 14:31:52,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5092: assume false; [2021-11-02 14:31:52,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5093: assume !false; [2021-11-02 14:31:52,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7640: assume false; [2021-11-02 14:31:52,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7641: assume !false; [2021-11-02 14:31:52,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5044: assume false; [2021-11-02 14:31:52,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5045: assume !false; [2021-11-02 14:31:52,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7673: assume !false; [2021-11-02 14:31:52,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7672: assume false; [2021-11-02 14:31:52,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7657: assume !false; [2021-11-02 14:31:52,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7656: assume false; [2021-11-02 14:31:52,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7525: assume !false; [2021-11-02 14:31:52,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7524: assume false; [2021-11-02 14:31:52,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7545: assume !false; [2021-11-02 14:31:52,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7544: assume false; [2021-11-02 14:31:52,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-11-02 14:31:52,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-11-02 14:31:52,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3860: assume false; [2021-11-02 14:31:52,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3861: assume !false; [2021-11-02 14:31:52,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1150: assume false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1151: assume !false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1102: assume false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1103: assume !false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1054: assume false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1055: assume !false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3693: assume false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3694: assume !false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3602: assume false; [2021-11-02 14:31:52,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3603: assume !false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3682: assume !false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3681: assume false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3662: assume false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3663: assume !false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1006: assume false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1007: assume !false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3635: assume !false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3634: assume false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3619: assume !false; [2021-11-02 14:31:52,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3618: assume false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3507: assume !false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3506: assume false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1634: assume false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1635: assume !false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1682: assume false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1683: assume !false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1417: assume false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1418: assume !false; [2021-11-02 14:31:52,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1465: assume false; [2021-11-02 14:31:52,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1466: assume !false; [2021-11-02 14:31:52,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3956: assume false; [2021-11-02 14:31:52,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3957: assume !false; [2021-11-02 14:31:52,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3909: assume !false; [2021-11-02 14:31:52,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3908: assume false; [2021-11-02 14:31:52,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1370: assume !false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1369: assume false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1321: assume false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1322: assume !false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3022: assume false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3023: assume !false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3010: assume !false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5672: assume false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5673: assume !false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3009: assume false; [2021-11-02 14:31:52,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3068: assume false; [2021-11-02 14:31:52,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3069: assume !false; [2021-11-02 14:31:52,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5503: assume false; [2021-11-02 14:31:52,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5504: assume !false; [2021-11-02 14:31:52,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5455: assume false; [2021-11-02 14:31:52,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5456: assume !false; [2021-11-02 14:31:52,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5407: assume false; [2021-11-02 14:31:52,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5408: assume !false; [2021-11-02 14:31:52,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7995: assume !false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7994: assume false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7947: assume !false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7946: assume false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5360: assume !false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5359: assume false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3486: assume false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3487: assume !false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3446: assume !false; [2021-11-02 14:31:52,907 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3445: assume false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3424: assume !false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3423: assume false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3396: assume !false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3395: assume false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3374: assume !false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3373: assume false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5987: assume false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5988: assume !false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3260: assume !false; [2021-11-02 14:31:52,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3259: assume false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3237: assume false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3238: assume !false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5876: assume false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5877: assume !false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5816: assume false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5817: assume !false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3154: assume !false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3153: assume false; [2021-11-02 14:31:52,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3140: assume !false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3139: assume false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5768: assume false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5769: assume !false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5720: assume false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5721: assume !false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6132: assume !false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6131: assume false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6084: assume !false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6083: assume false; [2021-11-02 14:31:52,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6035: assume false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6036: assume !false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8681: assume false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8682: assume !false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8634: assume !false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8633: assume false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8586: assume !false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8585: assume false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8538: assume !false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8537: assume false; [2021-11-02 14:31:52,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8487: assume false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8488: assume !false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8358: assume !false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8357: assume false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6521: assume false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6522: assume !false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6570: assume !false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6569: assume false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6427: assume false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6428: assume !false; [2021-11-02 14:31:52,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6405: assume false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6406: assume !false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6473: assume false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6474: assume !false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6306: assume false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6307: assume !false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6258: assume false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6259: assume !false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1997: assume false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1998: assume !false; [2021-11-02 14:31:52,913 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1949: assume false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1950: assume !false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1838: assume false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1839: assume !false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1778: assume false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1779: assume !false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1730: assume false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1731: assume !false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8310: assume !false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8309: assume false; [2021-11-02 14:31:52,914 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8262: assume !false; [2021-11-02 14:31:52,915 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8261: assume false; [2021-11-02 14:31:52,915 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8214: assume !false; [2021-11-02 14:31:52,915 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8213: assume false; [2021-11-02 14:31:52,915 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8102: assume false; [2021-11-02 14:31:52,915 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8103: assume !false; [2021-11-02 14:31:52,915 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8043: assume !false; [2021-11-02 14:31:52,915 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8042: assume false; [2021-11-02 14:31:52,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 14:31:52,938 INFO L299 CfgBuilder]: Removed 8273 assume(true) statements. [2021-11-02 14:31:52,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:31:52 BoogieIcfgContainer [2021-11-02 14:31:52,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 14:31:52,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 14:31:52,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 14:31:52,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 14:31:52,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 02:31:40" (1/3) ... [2021-11-02 14:31:52,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9979de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:31:52, skipping insertion in model container [2021-11-02 14:31:52,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 02:31:42" (2/3) ... [2021-11-02 14:31:52,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9979de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 02:31:52, skipping insertion in model container [2021-11-02 14:31:52,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 02:31:52" (3/3) ... [2021-11-02 14:31:52,950 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-vhost-vhost_net.ko.cil.out.i [2021-11-02 14:31:52,954 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 14:31:52,954 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-02 14:31:52,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 14:31:53,003 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 [2021-11-02 14:31:53,003 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-02 14:31:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 6556 states, 6553 states have (on average 1.5154890889668855) internal successors, (9931), 6555 states have internal predecessors, (9931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:31:53,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-02 14:31:53,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:31:53,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:31:53,083 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:31:53,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:31:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash 88776330, now seen corresponding path program 1 times [2021-11-02 14:31:53,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:31:53,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267406426] [2021-11-02 14:31:53,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:31:53,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:31:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:31:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:31:53,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:31:53,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267406426] [2021-11-02 14:31:53,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267406426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:31:53,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:31:53,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 14:31:53,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839469021] [2021-11-02 14:31:53,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:31:53,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:31:53,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:31:53,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:31:53,608 INFO L87 Difference]: Start difference. First operand has 6556 states, 6553 states have (on average 1.5154890889668855) internal successors, (9931), 6555 states have internal predecessors, (9931), 0 states have call successors, (0), 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 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:31:55,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:00,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:12,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:15,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:17,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:20,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:35,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:38,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:40,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:43,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:46,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:32:54,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:00,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:03,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:08,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:11,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:13,955 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:21,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:23,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:26,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:28,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:40,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:33:40,212 INFO L93 Difference]: Finished difference Result 19244 states and 29309 transitions. [2021-11-02 14:33:40,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:33:40,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 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 8 [2021-11-02 14:33:40,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:33:40,278 INFO L225 Difference]: With dead ends: 19244 [2021-11-02 14:33:40,278 INFO L226 Difference]: Without dead ends: 12302 [2021-11-02 14:33:40,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:33:40,300 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 7494 mSDsluCounter, 7594 mSDsCounter, 0 mSdLazyCounter, 15201 mSolverCounterSat, 1 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 99352.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7494 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 15222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 129.83ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15201 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104669.37ms IncrementalHoareTripleChecker+Time [2021-11-02 14:33:40,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7494 Valid, 0 Invalid, 15222 Unknown, 0 Unchecked, 129.83ms Time], IncrementalHoareTripleChecker [1 Valid, 15201 Invalid, 20 Unknown, 0 Unchecked, 104669.37ms Time] [2021-11-02 14:33:40,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12302 states. [2021-11-02 14:33:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12302 to 11804. [2021-11-02 14:33:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11804 states, 11802 states have (on average 1.1832740213523132) internal successors, (13965), 11803 states have internal predecessors, (13965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:33:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11804 states to 11804 states and 13965 transitions. [2021-11-02 14:33:40,614 INFO L78 Accepts]: Start accepts. Automaton has 11804 states and 13965 transitions. Word has length 8 [2021-11-02 14:33:40,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:33:40,614 INFO L470 AbstractCegarLoop]: Abstraction has 11804 states and 13965 transitions. [2021-11-02 14:33:40,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:33:40,614 INFO L276 IsEmpty]: Start isEmpty. Operand 11804 states and 13965 transitions. [2021-11-02 14:33:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-02 14:33:40,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:33:40,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:33:40,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 14:33:40,616 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:33:40,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:33:40,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1542874078, now seen corresponding path program 1 times [2021-11-02 14:33:40,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:33:40,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942639796] [2021-11-02 14:33:40,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:33:40,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:33:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:33:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 14:33:40,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:33:40,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942639796] [2021-11-02 14:33:40,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942639796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:33:40,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:33:40,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 14:33:40,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109484870] [2021-11-02 14:33:40,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:33:40,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:33:40,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:33:40,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:33:40,825 INFO L87 Difference]: Start difference. First operand 11804 states and 13965 transitions. 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) [2021-11-02 14:33:43,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:47,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:33:59,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:02,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:05,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:22,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:24,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:27,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:29,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:33,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:45,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:47,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:53,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:34:56,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:03,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:06,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:08,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:10,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:22,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:35:22,968 INFO L93 Difference]: Finished difference Result 23502 states and 27811 transitions. [2021-11-02 14:35:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:35:22,969 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 [2021-11-02 14:35:22,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:35:23,038 INFO L225 Difference]: With dead ends: 23502 [2021-11-02 14:35:23,038 INFO L226 Difference]: Without dead ends: 23496 [2021-11-02 14:35:23,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:35:23,048 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 7205 mSDsluCounter, 7307 mSDsCounter, 0 mSdLazyCounter, 14624 mSolverCounterSat, 0 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95558.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7205 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 96.70ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14624 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100647.81ms IncrementalHoareTripleChecker+Time [2021-11-02 14:35:23,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7205 Valid, 0 Invalid, 14641 Unknown, 0 Unchecked, 96.70ms Time], IncrementalHoareTripleChecker [0 Valid, 14624 Invalid, 17 Unknown, 0 Unchecked, 100647.81ms Time] [2021-11-02 14:35:23,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23496 states. [2021-11-02 14:35:23,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23496 to 23038. [2021-11-02 14:35:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23038 states, 23036 states have (on average 1.1839295016495919) internal successors, (27273), 23037 states have internal predecessors, (27273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:35:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23038 states to 23038 states and 27273 transitions. [2021-11-02 14:35:23,429 INFO L78 Accepts]: Start accepts. Automaton has 23038 states and 27273 transitions. Word has length 9 [2021-11-02 14:35:23,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:35:23,430 INFO L470 AbstractCegarLoop]: Abstraction has 23038 states and 27273 transitions. [2021-11-02 14:35:23,430 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) [2021-11-02 14:35:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 23038 states and 27273 transitions. [2021-11-02 14:35:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-02 14:35:23,437 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:35:23,437 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:35:23,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 14:35:23,438 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:35:23,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:35:23,438 INFO L85 PathProgramCache]: Analyzing trace with hash -426022036, now seen corresponding path program 1 times [2021-11-02 14:35:23,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:35:23,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812093786] [2021-11-02 14:35:23,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:35:23,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:35:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:35:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 14:35:23,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:35:23,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812093786] [2021-11-02 14:35:23,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812093786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:35:23,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:35:23,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 14:35:23,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029333142] [2021-11-02 14:35:23,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 14:35:23,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:35:23,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 14:35:23,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 14:35:23,886 INFO L87 Difference]: Start difference. First operand 23038 states and 27273 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:35:25,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:35:38,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:36:53,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:01,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:03,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:05,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:07,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:09,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:20,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:22,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:24,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:26,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:35,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:44,153 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:46,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:53,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:37:55,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:38:28,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:38:36,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:38:53,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:38:58,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:39:03,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:39:05,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:39:07,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:39:09,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:39:11,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:39:16,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:39:27,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:40:20,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:40:27,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:40:59,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:41:06,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:41:48,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:41:56,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:42:12,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:42:16,638 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:42:21,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:42:26,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:44:26,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:44:26,713 INFO L93 Difference]: Finished difference Result 275144 states and 324864 transitions. [2021-11-02 14:44:26,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-02 14:44:26,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 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 51 [2021-11-02 14:44:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:44:27,513 INFO L225 Difference]: With dead ends: 275144 [2021-11-02 14:44:27,514 INFO L226 Difference]: Without dead ends: 252112 [2021-11-02 14:44:27,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 662.12ms TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-02 14:44:27,688 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 101801 mSDsluCounter, 97793 mSDsCounter, 0 mSdLazyCounter, 114967 mSolverCounterSat, 95 mSolverCounterUnsat, 36 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 504732.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 101801 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 115098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1125.36ms SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 114967 IncrementalHoareTripleChecker+Invalid, 36 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 531598.78ms IncrementalHoareTripleChecker+Time [2021-11-02 14:44:27,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101801 Valid, 0 Invalid, 115098 Unknown, 0 Unchecked, 1125.36ms Time], IncrementalHoareTripleChecker [95 Valid, 114967 Invalid, 36 Unknown, 0 Unchecked, 531598.78ms Time] [2021-11-02 14:44:27,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252112 states. [2021-11-02 14:44:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252112 to 23150. [2021-11-02 14:44:29,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23150 states, 23148 states have (on average 1.1830395714532573) internal successors, (27385), 23149 states have internal predecessors, (27385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:44:29,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23150 states to 23150 states and 27385 transitions. [2021-11-02 14:44:29,585 INFO L78 Accepts]: Start accepts. Automaton has 23150 states and 27385 transitions. Word has length 51 [2021-11-02 14:44:29,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:44:29,585 INFO L470 AbstractCegarLoop]: Abstraction has 23150 states and 27385 transitions. [2021-11-02 14:44:29,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:44:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 23150 states and 27385 transitions. [2021-11-02 14:44:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-02 14:44:29,588 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:44:29,588 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:44:29,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 14:44:29,588 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:44:29,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:44:29,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2023578094, now seen corresponding path program 1 times [2021-11-02 14:44:29,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:44:29,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299832532] [2021-11-02 14:44:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:44:29,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:44:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:44:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 14:44:29,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:44:29,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299832532] [2021-11-02 14:44:29,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299832532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:44:29,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:44:29,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 14:44:29,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413381572] [2021-11-02 14:44:29,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:44:29,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:44:29,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:44:29,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:44:29,857 INFO L87 Difference]: Start difference. First operand 23150 states and 27385 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:44:32,275 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:44:36,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:44:47,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:44:49,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:44:58,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:01,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:03,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:05,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:08,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:14,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:16,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:21,979 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:24,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:36,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:38,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:40,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:43,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:45:59,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-02 14:46:07,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 14:46:07,310 INFO L93 Difference]: Finished difference Result 34991 states and 41394 transitions. [2021-11-02 14:46:07,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 14:46:07,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 51 [2021-11-02 14:46:07,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 14:46:07,362 INFO L225 Difference]: With dead ends: 34991 [2021-11-02 14:46:07,362 INFO L226 Difference]: Without dead ends: 34986 [2021-11-02 14:46:07,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.89ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:46:07,375 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 7203 mSDsluCounter, 7305 mSDsCounter, 0 mSdLazyCounter, 14619 mSolverCounterSat, 1 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90426.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7203 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 75.72ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14619 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95491.63ms IncrementalHoareTripleChecker+Time [2021-11-02 14:46:07,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7203 Valid, 0 Invalid, 14637 Unknown, 0 Unchecked, 75.72ms Time], IncrementalHoareTripleChecker [1 Valid, 14619 Invalid, 17 Unknown, 0 Unchecked, 95491.63ms Time] [2021-11-02 14:46:07,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34986 states. [2021-11-02 14:46:08,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34986 to 23201. [2021-11-02 14:46:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23201 states, 23199 states have (on average 1.1831975516186042) internal successors, (27449), 23200 states have internal predecessors, (27449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:46:08,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23201 states to 23201 states and 27449 transitions. [2021-11-02 14:46:08,367 INFO L78 Accepts]: Start accepts. Automaton has 23201 states and 27449 transitions. Word has length 51 [2021-11-02 14:46:08,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 14:46:08,368 INFO L470 AbstractCegarLoop]: Abstraction has 23201 states and 27449 transitions. [2021-11-02 14:46:08,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:46:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 23201 states and 27449 transitions. [2021-11-02 14:46:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-02 14:46:08,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-02 14:46:08,374 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 14:46:08,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 14:46:08,374 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 14:46:08,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 14:46:08,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1693561538, now seen corresponding path program 1 times [2021-11-02 14:46:08,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 14:46:08,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621276495] [2021-11-02 14:46:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 14:46:08,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 14:46:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 14:46:08,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-02 14:46:08,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 14:46:08,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621276495] [2021-11-02 14:46:08,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621276495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 14:46:08,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 14:46:08,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 14:46:08,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650619899] [2021-11-02 14:46:08,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 14:46:08,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 14:46:08,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 14:46:08,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 14:46:08,589 INFO L87 Difference]: Start difference. First operand 23201 states and 27449 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 14:46:11,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15