./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f036f9ac577d4cdff5b1a3c8b16571b57cfb193d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 04:01:48,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 04:01:48,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 04:01:48,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 04:01:48,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 04:01:48,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 04:01:48,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 04:01:48,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 04:01:48,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 04:01:48,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 04:01:48,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 04:01:48,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 04:01:48,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 04:01:48,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 04:01:48,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 04:01:48,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 04:01:48,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 04:01:48,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 04:01:48,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 04:01:48,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 04:01:48,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 04:01:48,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 04:01:48,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 04:01:48,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 04:01:48,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 04:01:48,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 04:01:48,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 04:01:48,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 04:01:48,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 04:01:48,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 04:01:48,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 04:01:48,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 04:01:48,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 04:01:48,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 04:01:48,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 04:01:48,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 04:01:48,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 04:01:48,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 04:01:48,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 04:01:48,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 04:01:48,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 04:01:48,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-30 04:01:48,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 04:01:48,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 04:01:48,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 04:01:48,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 04:01:48,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 04:01:48,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 04:01:48,423 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 04:01:48,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 04:01:48,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 04:01:48,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 04:01:48,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 04:01:48,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 04:01:48,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 04:01:48,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 04:01:48,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 04:01:48,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 04:01:48,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 04:01:48,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 04:01:48,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 04:01:48,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 04:01:48,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 04:01:48,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 04:01:48,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 04:01:48,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 04:01:48,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 04:01:48,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 04:01:48,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 04:01:48,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f036f9ac577d4cdff5b1a3c8b16571b57cfb193d [2021-08-30 04:01:48,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 04:01:48,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 04:01:48,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 04:01:48,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 04:01:48,832 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 04:01:48,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-08-30 04:01:48,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee8e72f2/1174d2277eb24ae2b67946fb100e9814/FLAGc95faa7d2 [2021-08-30 04:01:49,846 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 04:01:49,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-08-30 04:01:49,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee8e72f2/1174d2277eb24ae2b67946fb100e9814/FLAGc95faa7d2 [2021-08-30 04:01:50,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ee8e72f2/1174d2277eb24ae2b67946fb100e9814 [2021-08-30 04:01:50,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 04:01:50,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 04:01:50,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 04:01:50,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 04:01:50,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 04:01:50,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:01:50" (1/1) ... [2021-08-30 04:01:50,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e14a959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:50, skipping insertion in model container [2021-08-30 04:01:50,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:01:50" (1/1) ... [2021-08-30 04:01:50,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 04:01:50,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 04:01:50,978 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-08-30 04:01:50,979 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-08-30 04:01:51,424 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-08-30 04:01:53,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 04:01:53,518 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 04:01:53,633 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2021-08-30 04:01:53,634 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2021-08-30 04:01:53,648 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023] [2021-08-30 04:01:54,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 04:01:54,322 INFO L208 MainTranslator]: Completed translation [2021-08-30 04:01:54,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54 WrapperNode [2021-08-30 04:01:54,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 04:01:54,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 04:01:54,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 04:01:54,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 04:01:54,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:54,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:54,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 04:01:54,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 04:01:54,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 04:01:54,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 04:01:54,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:54,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:54,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:54,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:55,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:55,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:55,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:55,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 04:01:55,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 04:01:55,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 04:01:55,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 04:01:55,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (1/1) ... [2021-08-30 04:01:55,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 04:01:55,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:01:55,234 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) [2021-08-30 04:01:55,264 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 [2021-08-30 04:01:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 04:01:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 04:01:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 04:01:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 04:01:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-30 04:01:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-30 04:01:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 04:01:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 04:01:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-30 04:01:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 04:01:55,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 04:03:25,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 04:03:25,680 INFO L299 CfgBuilder]: Removed 209 assume(true) statements. [2021-08-30 04:03:25,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:03:25 BoogieIcfgContainer [2021-08-30 04:03:25,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 04:03:25,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 04:03:25,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 04:03:25,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 04:03:25,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 04:01:50" (1/3) ... [2021-08-30 04:03:25,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1585d51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:03:25, skipping insertion in model container [2021-08-30 04:03:25,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:01:54" (2/3) ... [2021-08-30 04:03:25,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1585d51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:03:25, skipping insertion in model container [2021-08-30 04:03:25,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:03:25" (3/3) ... [2021-08-30 04:03:25,692 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2021-08-30 04:03:25,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 04:03:25,697 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-30 04:03:25,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 04:03:25,750 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-30 04:03:25,751 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-30 04:03:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 290 states, 287 states have (on average 1.4459930313588851) internal successors, (415), 289 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:03:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-30 04:03:25,773 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:03:25,774 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:03:25,774 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:03:25,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:03:25,779 INFO L82 PathProgramCache]: Analyzing trace with hash 602802782, now seen corresponding path program 1 times [2021-08-30 04:03:25,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:03:25,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018280801] [2021-08-30 04:03:25,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:03:25,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:03:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:03:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 04:03:26,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:03:26,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018280801] [2021-08-30 04:03:26,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018280801] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:03:26,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 04:03:26,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 04:03:26,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116483805] [2021-08-30 04:03:26,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:03:26,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:03:26,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:03:26,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 04:03:26,825 INFO L87 Difference]: Start difference. First operand has 290 states, 287 states have (on average 1.4459930313588851) internal successors, (415), 289 states have internal predecessors, (415), 0 states have call successors, (0), 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 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:03:29,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:03:32,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:03:35,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:03:41,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:03:41,331 INFO L93 Difference]: Finished difference Result 786 states and 1132 transitions. [2021-08-30 04:03:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:03:41,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2021-08-30 04:03:41,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:03:41,347 INFO L225 Difference]: With dead ends: 786 [2021-08-30 04:03:41,347 INFO L226 Difference]: Without dead ends: 444 [2021-08-30 04:03:41,351 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.05ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 04:03:41,353 INFO L928 BasicCegarLoop]: 3 mSDtfsCounter, 295 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13074.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.85ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14294.38ms IncrementalHoareTripleChecker+Time [2021-08-30 04:03:41,354 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 6 Invalid, 809 Unknown, 0 Unchecked, 20.85ms Time], IncrementalHoareTripleChecker [1 Valid, 805 Invalid, 3 Unknown, 0 Unchecked, 14294.38ms Time] [2021-08-30 04:03:41,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-08-30 04:03:41,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 440. [2021-08-30 04:03:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 438 states have (on average 1.4406392694063928) internal successors, (631), 439 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:03:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 631 transitions. [2021-08-30 04:03:41,413 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 631 transitions. Word has length 19 [2021-08-30 04:03:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:03:41,413 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 631 transitions. [2021-08-30 04:03:41,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:03:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 631 transitions. [2021-08-30 04:03:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-30 04:03:41,415 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:03:41,415 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:03:41,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-30 04:03:41,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:03:41,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:03:41,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1817339411, now seen corresponding path program 1 times [2021-08-30 04:03:41,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:03:41,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692369858] [2021-08-30 04:03:41,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:03:41,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:03:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:03:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 04:03:42,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:03:42,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692369858] [2021-08-30 04:03:42,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692369858] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:03:42,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 04:03:42,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 04:03:42,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573784186] [2021-08-30 04:03:42,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-30 04:03:42,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:03:42,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-30 04:03:42,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-30 04:03:42,144 INFO L87 Difference]: Start difference. First operand 440 states and 631 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:03:44,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:03:48,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:03:52,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:03:57,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-08-30 04:04:00,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:04:00,837 INFO L93 Difference]: Finished difference Result 996 states and 1435 transitions. [2021-08-30 04:04:00,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 04:04:00,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 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 32 [2021-08-30 04:04:00,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:04:00,840 INFO L225 Difference]: With dead ends: 996 [2021-08-30 04:04:00,841 INFO L226 Difference]: Without dead ends: 568 [2021-08-30 04:04:00,843 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 126.43ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:04:00,844 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 137 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 4 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17260.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.82ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18501.44ms IncrementalHoareTripleChecker+Time [2021-08-30 04:04:00,844 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 0 Invalid, 1118 Unknown, 0 Unchecked, 14.82ms Time], IncrementalHoareTripleChecker [4 Valid, 1110 Invalid, 4 Unknown, 0 Unchecked, 18501.44ms Time] [2021-08-30 04:04:00,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2021-08-30 04:04:00,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 472. [2021-08-30 04:04:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 470 states have (on average 1.4446808510638298) internal successors, (679), 471 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 679 transitions. [2021-08-30 04:04:00,876 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 679 transitions. Word has length 32 [2021-08-30 04:04:00,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:04:00,876 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 679 transitions. [2021-08-30 04:04:00,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:00,877 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 679 transitions. [2021-08-30 04:04:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-30 04:04:00,878 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:04:00,878 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:04:00,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-30 04:04:00,879 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:04:00,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:04:00,880 INFO L82 PathProgramCache]: Analyzing trace with hash -2007481882, now seen corresponding path program 1 times [2021-08-30 04:04:00,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:04:00,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145093112] [2021-08-30 04:04:00,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:04:00,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:04:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:04:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 04:04:01,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:04:01,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145093112] [2021-08-30 04:04:01,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145093112] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:04:01,515 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-30 04:04:01,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-30 04:04:01,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030485400] [2021-08-30 04:04:01,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:04:01,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:04:01,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:04:01,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 04:04:01,517 INFO L87 Difference]: Start difference. First operand 472 states and 679 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:03,785 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:07,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:11,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:16,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:04:16,869 INFO L93 Difference]: Finished difference Result 918 states and 1323 transitions. [2021-08-30 04:04:16,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:04:16,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2021-08-30 04:04:16,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:04:16,872 INFO L225 Difference]: With dead ends: 918 [2021-08-30 04:04:16,872 INFO L226 Difference]: Without dead ends: 480 [2021-08-30 04:04:16,873 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-30 04:04:16,874 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13738.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.03ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15265.23ms IncrementalHoareTripleChecker+Time [2021-08-30 04:04:16,875 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 731 Unknown, 0 Unchecked, 8.03ms Time], IncrementalHoareTripleChecker [1 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 15265.23ms Time] [2021-08-30 04:04:16,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2021-08-30 04:04:16,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 478. [2021-08-30 04:04:16,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 476 states have (on average 1.4390756302521008) internal successors, (685), 477 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 685 transitions. [2021-08-30 04:04:16,900 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 685 transitions. Word has length 33 [2021-08-30 04:04:16,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:04:16,901 INFO L470 AbstractCegarLoop]: Abstraction has 478 states and 685 transitions. [2021-08-30 04:04:16,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:16,901 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 685 transitions. [2021-08-30 04:04:16,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-08-30 04:04:16,904 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:04:16,905 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:04:16,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-30 04:04:16,905 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:04:16,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:04:16,906 INFO L82 PathProgramCache]: Analyzing trace with hash -612844940, now seen corresponding path program 1 times [2021-08-30 04:04:16,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:04:16,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394010916] [2021-08-30 04:04:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:04:16,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:04:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:04:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 04:04:17,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:04:17,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394010916] [2021-08-30 04:04:17,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394010916] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:04:17,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048887007] [2021-08-30 04:04:17,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:04:17,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:04:17,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:04:17,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:04:17,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-30 04:04:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:04:20,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 9239 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-30 04:04:20,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:04:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 04:04:20,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:04:20,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048887007] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:04:20,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:04:20,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-08-30 04:04:20,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172832755] [2021-08-30 04:04:20,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:04:20,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:04:20,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:04:20,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:04:20,828 INFO L87 Difference]: Start difference. First operand 478 states and 685 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:23,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:26,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:29,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:36,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:04:36,040 INFO L93 Difference]: Finished difference Result 866 states and 1251 transitions. [2021-08-30 04:04:36,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:04:36,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-08-30 04:04:36,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:04:36,044 INFO L225 Difference]: With dead ends: 866 [2021-08-30 04:04:36,045 INFO L226 Difference]: Without dead ends: 862 [2021-08-30 04:04:36,046 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 145.62ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:04:36,048 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 295 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13787.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.02ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15080.24ms IncrementalHoareTripleChecker+Time [2021-08-30 04:04:36,050 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 0 Invalid, 682 Unknown, 0 Unchecked, 7.02ms Time], IncrementalHoareTripleChecker [3 Valid, 676 Invalid, 3 Unknown, 0 Unchecked, 15080.24ms Time] [2021-08-30 04:04:36,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2021-08-30 04:04:36,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 860. [2021-08-30 04:04:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 858 states have (on average 1.4498834498834499) internal successors, (1244), 859 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1244 transitions. [2021-08-30 04:04:36,083 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1244 transitions. Word has length 37 [2021-08-30 04:04:36,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:04:36,085 INFO L470 AbstractCegarLoop]: Abstraction has 860 states and 1244 transitions. [2021-08-30 04:04:36,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:36,085 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1244 transitions. [2021-08-30 04:04:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-08-30 04:04:36,093 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:04:36,093 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:04:36,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-30 04:04:36,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:04:36,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:04:36,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:04:36,310 INFO L82 PathProgramCache]: Analyzing trace with hash 835608604, now seen corresponding path program 1 times [2021-08-30 04:04:36,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:04:36,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710754156] [2021-08-30 04:04:36,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:04:36,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:04:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:04:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-30 04:04:36,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:04:36,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710754156] [2021-08-30 04:04:36,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710754156] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:04:36,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536081986] [2021-08-30 04:04:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:04:36,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:04:36,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:04:36,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:04:36,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-30 04:04:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:04:39,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 9993 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:04:39,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:04:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-30 04:04:39,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:04:39,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536081986] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:04:39,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:04:39,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:04:39,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943950860] [2021-08-30 04:04:39,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:04:39,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:04:39,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:04:39,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:04:39,894 INFO L87 Difference]: Start difference. First operand 860 states and 1244 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:42,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:47,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:50,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:04:55,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:04:55,821 INFO L93 Difference]: Finished difference Result 1401 states and 2033 transitions. [2021-08-30 04:04:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:04:55,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 62 [2021-08-30 04:04:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:04:55,824 INFO L225 Difference]: With dead ends: 1401 [2021-08-30 04:04:55,824 INFO L226 Difference]: Without dead ends: 575 [2021-08-30 04:04:55,826 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 152.83ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:04:55,826 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 25 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14557.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.69ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15839.77ms IncrementalHoareTripleChecker+Time [2021-08-30 04:04:55,827 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 0 Invalid, 732 Unknown, 0 Unchecked, 7.69ms Time], IncrementalHoareTripleChecker [4 Valid, 725 Invalid, 3 Unknown, 0 Unchecked, 15839.77ms Time] [2021-08-30 04:04:55,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-08-30 04:04:55,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 428. [2021-08-30 04:04:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 426 states have (on average 1.460093896713615) internal successors, (622), 427 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 622 transitions. [2021-08-30 04:04:55,840 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 622 transitions. Word has length 62 [2021-08-30 04:04:55,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:04:55,841 INFO L470 AbstractCegarLoop]: Abstraction has 428 states and 622 transitions. [2021-08-30 04:04:55,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:04:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 622 transitions. [2021-08-30 04:04:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-08-30 04:04:55,842 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:04:55,843 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:04:55,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-30 04:04:56,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:04:56,057 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:04:56,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:04:56,057 INFO L82 PathProgramCache]: Analyzing trace with hash -315610420, now seen corresponding path program 1 times [2021-08-30 04:04:56,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:04:56,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962621666] [2021-08-30 04:04:56,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:04:56,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:04:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:04:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-30 04:04:56,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:04:56,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962621666] [2021-08-30 04:04:56,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962621666] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:04:56,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230019165] [2021-08-30 04:04:56,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:04:56,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:04:56,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:04:56,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:04:56,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-30 04:04:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:04:59,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 10125 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:04:59,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:04:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 04:04:59,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:04:59,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230019165] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:04:59,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:04:59,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:04:59,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003926719] [2021-08-30 04:04:59,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:04:59,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:04:59,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:04:59,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:04:59,970 INFO L87 Difference]: Start difference. First operand 428 states and 622 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:02,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:05:07,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:05:10,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:05:15,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:05:15,763 INFO L93 Difference]: Finished difference Result 834 states and 1217 transitions. [2021-08-30 04:05:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:05:15,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-08-30 04:05:15,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:05:15,765 INFO L225 Difference]: With dead ends: 834 [2021-08-30 04:05:15,765 INFO L226 Difference]: Without dead ends: 440 [2021-08-30 04:05:15,766 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 144.99ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:05:15,767 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 12 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14426.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.29ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15730.83ms IncrementalHoareTripleChecker+Time [2021-08-30 04:05:15,767 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 0 Invalid, 733 Unknown, 0 Unchecked, 6.29ms Time], IncrementalHoareTripleChecker [6 Valid, 724 Invalid, 3 Unknown, 0 Unchecked, 15730.83ms Time] [2021-08-30 04:05:15,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-08-30 04:05:15,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 432. [2021-08-30 04:05:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 430 states have (on average 1.455813953488372) internal successors, (626), 431 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 626 transitions. [2021-08-30 04:05:15,777 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 626 transitions. Word has length 81 [2021-08-30 04:05:15,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:05:15,777 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 626 transitions. [2021-08-30 04:05:15,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 626 transitions. [2021-08-30 04:05:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-08-30 04:05:15,779 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:05:15,779 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:05:15,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-30 04:05:16,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:05:16,005 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:05:16,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:05:16,005 INFO L82 PathProgramCache]: Analyzing trace with hash 79441665, now seen corresponding path program 1 times [2021-08-30 04:05:16,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:05:16,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471354687] [2021-08-30 04:05:16,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:05:16,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:05:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:05:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 04:05:16,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:05:16,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471354687] [2021-08-30 04:05:16,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471354687] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:05:16,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729640002] [2021-08-30 04:05:16,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:05:16,799 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:05:16,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:05:16,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:05:16,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-30 04:05:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:05:19,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 10133 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:05:19,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:05:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-30 04:05:19,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:05:19,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729640002] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:05:19,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:05:19,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:05:19,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468206486] [2021-08-30 04:05:19,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:05:19,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:05:19,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:05:19,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:05:19,750 INFO L87 Difference]: Start difference. First operand 432 states and 626 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:22,089 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 [] [2021-08-30 04:05:27,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:05:30,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:05:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:05:36,770 INFO L93 Difference]: Finished difference Result 1213 states and 1763 transitions. [2021-08-30 04:05:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:05:36,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2021-08-30 04:05:36,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:05:36,774 INFO L225 Difference]: With dead ends: 1213 [2021-08-30 04:05:36,775 INFO L226 Difference]: Without dead ends: 815 [2021-08-30 04:05:36,776 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 154.34ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:05:36,776 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 327 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15555.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.62ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16924.47ms IncrementalHoareTripleChecker+Time [2021-08-30 04:05:36,777 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 0 Invalid, 878 Unknown, 0 Unchecked, 6.62ms Time], IncrementalHoareTripleChecker [4 Valid, 871 Invalid, 3 Unknown, 0 Unchecked, 16924.47ms Time] [2021-08-30 04:05:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2021-08-30 04:05:36,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 434. [2021-08-30 04:05:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 432 states have (on average 1.4537037037037037) internal successors, (628), 433 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 628 transitions. [2021-08-30 04:05:36,789 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 628 transitions. Word has length 87 [2021-08-30 04:05:36,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:05:36,790 INFO L470 AbstractCegarLoop]: Abstraction has 434 states and 628 transitions. [2021-08-30 04:05:36,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 628 transitions. [2021-08-30 04:05:36,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-08-30 04:05:36,791 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:05:36,792 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:05:36,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-30 04:05:37,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:05:37,013 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:05:37,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:05:37,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1717176800, now seen corresponding path program 1 times [2021-08-30 04:05:37,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:05:37,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790967477] [2021-08-30 04:05:37,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:05:37,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:05:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:05:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-30 04:05:37,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:05:37,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790967477] [2021-08-30 04:05:37,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790967477] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:05:37,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32747064] [2021-08-30 04:05:37,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:05:37,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:05:37,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:05:37,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:05:37,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-30 04:05:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:05:40,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 10136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:05:40,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:05:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-30 04:05:40,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:05:40,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32747064] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:05:40,418 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:05:40,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:05:40,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549256933] [2021-08-30 04:05:40,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:05:40,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:05:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:05:40,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:05:40,419 INFO L87 Difference]: Start difference. First operand 434 states and 628 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:42,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:05:48,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:05:51,882 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 [] [2021-08-30 04:05:56,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:05:56,893 INFO L93 Difference]: Finished difference Result 852 states and 1235 transitions. [2021-08-30 04:05:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:05:56,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 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 89 [2021-08-30 04:05:56,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:05:56,895 INFO L225 Difference]: With dead ends: 852 [2021-08-30 04:05:56,895 INFO L226 Difference]: Without dead ends: 452 [2021-08-30 04:05:56,896 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 151.73ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:05:56,896 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 20 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15037.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.19ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16410.68ms IncrementalHoareTripleChecker+Time [2021-08-30 04:05:56,896 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 0 Invalid, 731 Unknown, 0 Unchecked, 5.19ms Time], IncrementalHoareTripleChecker [2 Valid, 726 Invalid, 3 Unknown, 0 Unchecked, 16410.68ms Time] [2021-08-30 04:05:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2021-08-30 04:05:56,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 436. [2021-08-30 04:05:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 434 states have (on average 1.4516129032258065) internal successors, (630), 435 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 630 transitions. [2021-08-30 04:05:56,908 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 630 transitions. Word has length 89 [2021-08-30 04:05:56,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:05:56,909 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 630 transitions. [2021-08-30 04:05:56,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:05:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 630 transitions. [2021-08-30 04:05:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-30 04:05:56,910 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:05:56,910 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:05:56,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-30 04:05:57,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:05:57,133 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:05:57,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:05:57,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1272328852, now seen corresponding path program 1 times [2021-08-30 04:05:57,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:05:57,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170757444] [2021-08-30 04:05:57,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:05:57,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:05:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:05:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-30 04:05:57,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:05:57,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170757444] [2021-08-30 04:05:57,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170757444] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:05:57,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987579740] [2021-08-30 04:05:57,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:05:57,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:05:57,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:05:57,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:05:57,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-30 04:06:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:06:00,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 10699 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:06:00,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:06:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-30 04:06:00,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:06:00,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987579740] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:06:00,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:06:00,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:06:00,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644335979] [2021-08-30 04:06:00,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:06:00,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:06:00,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:06:00,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:06:00,804 INFO L87 Difference]: Start difference. First operand 436 states and 630 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:03,224 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 [] [2021-08-30 04:06:08,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:06:12,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:06:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:06:16,952 INFO L93 Difference]: Finished difference Result 856 states and 1240 transitions. [2021-08-30 04:06:16,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:06:16,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-08-30 04:06:16,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:06:16,954 INFO L225 Difference]: With dead ends: 856 [2021-08-30 04:06:16,955 INFO L226 Difference]: Without dead ends: 454 [2021-08-30 04:06:16,955 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 150.84ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:06:16,956 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 21 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14798.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.85ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16089.68ms IncrementalHoareTripleChecker+Time [2021-08-30 04:06:16,956 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 0 Invalid, 732 Unknown, 0 Unchecked, 4.85ms Time], IncrementalHoareTripleChecker [4 Valid, 725 Invalid, 3 Unknown, 0 Unchecked, 16089.68ms Time] [2021-08-30 04:06:16,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2021-08-30 04:06:16,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 439. [2021-08-30 04:06:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 437 states have (on average 1.448512585812357) internal successors, (633), 438 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:16,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 633 transitions. [2021-08-30 04:06:16,966 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 633 transitions. Word has length 99 [2021-08-30 04:06:16,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:06:16,966 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 633 transitions. [2021-08-30 04:06:16,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 633 transitions. [2021-08-30 04:06:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-08-30 04:06:16,968 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:06:16,968 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:06:17,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-30 04:06:17,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:06:17,197 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:06:17,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:06:17,197 INFO L82 PathProgramCache]: Analyzing trace with hash 14439598, now seen corresponding path program 1 times [2021-08-30 04:06:17,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:06:17,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176359283] [2021-08-30 04:06:17,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:06:17,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:06:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:06:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-08-30 04:06:17,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:06:17,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176359283] [2021-08-30 04:06:17,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176359283] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:06:17,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256077239] [2021-08-30 04:06:17,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:06:17,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:06:17,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:06:17,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:06:17,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-30 04:06:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:06:20,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 10735 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:06:20,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:06:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-30 04:06:20,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:06:20,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256077239] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:06:20,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:06:20,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:06:20,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372805704] [2021-08-30 04:06:20,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:06:20,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:06:20,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:06:20,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:06:20,838 INFO L87 Difference]: Start difference. First operand 439 states and 633 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:23,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:06:28,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:06:32,086 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 [] [2021-08-30 04:06:36,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:06:36,439 INFO L93 Difference]: Finished difference Result 848 states and 1225 transitions. [2021-08-30 04:06:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:06:36,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 112 [2021-08-30 04:06:36,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:06:36,441 INFO L225 Difference]: With dead ends: 848 [2021-08-30 04:06:36,441 INFO L226 Difference]: Without dead ends: 443 [2021-08-30 04:06:36,442 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 148.88ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:06:36,443 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14222.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15532.74ms IncrementalHoareTripleChecker+Time [2021-08-30 04:06:36,444 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 730 Unknown, 0 Unchecked, 5.00ms Time], IncrementalHoareTripleChecker [0 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 15532.74ms Time] [2021-08-30 04:06:36,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-08-30 04:06:36,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 440. [2021-08-30 04:06:36,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 438 states have (on average 1.447488584474886) internal successors, (634), 439 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 634 transitions. [2021-08-30 04:06:36,454 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 634 transitions. Word has length 112 [2021-08-30 04:06:36,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:06:36,454 INFO L470 AbstractCegarLoop]: Abstraction has 440 states and 634 transitions. [2021-08-30 04:06:36,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 634 transitions. [2021-08-30 04:06:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-08-30 04:06:36,456 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:06:36,456 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:06:36,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-30 04:06:36,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:06:36,667 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:06:36,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:06:36,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1179225109, now seen corresponding path program 1 times [2021-08-30 04:06:36,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:06:36,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020348914] [2021-08-30 04:06:36,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:06:36,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:06:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:06:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-30 04:06:37,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:06:37,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020348914] [2021-08-30 04:06:37,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020348914] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:06:37,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601182084] [2021-08-30 04:06:37,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:06:37,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:06:37,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:06:37,294 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:06:37,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-30 04:06:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:06:39,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 10745 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:06:39,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:06:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-30 04:06:40,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:06:40,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601182084] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:06:40,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:06:40,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:06:40,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240455203] [2021-08-30 04:06:40,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:06:40,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:06:40,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:06:40,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:06:40,161 INFO L87 Difference]: Start difference. First operand 440 states and 634 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:42,558 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 [] [2021-08-30 04:06:47,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:06:51,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:06:59,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:06:59,109 INFO L93 Difference]: Finished difference Result 1203 states and 1739 transitions. [2021-08-30 04:06:59,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:06:59,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 116 [2021-08-30 04:06:59,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:06:59,113 INFO L225 Difference]: With dead ends: 1203 [2021-08-30 04:06:59,114 INFO L226 Difference]: Without dead ends: 797 [2021-08-30 04:06:59,115 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 136.32ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:06:59,115 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 288 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17324.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.62ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18816.91ms IncrementalHoareTripleChecker+Time [2021-08-30 04:06:59,115 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 0 Invalid, 887 Unknown, 0 Unchecked, 7.62ms Time], IncrementalHoareTripleChecker [1 Valid, 883 Invalid, 3 Unknown, 0 Unchecked, 18816.91ms Time] [2021-08-30 04:06:59,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2021-08-30 04:06:59,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 441. [2021-08-30 04:06:59,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 439 states have (on average 1.4464692482915718) internal successors, (635), 440 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 635 transitions. [2021-08-30 04:06:59,131 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 635 transitions. Word has length 116 [2021-08-30 04:06:59,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:06:59,131 INFO L470 AbstractCegarLoop]: Abstraction has 441 states and 635 transitions. [2021-08-30 04:06:59,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:06:59,132 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 635 transitions. [2021-08-30 04:06:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-08-30 04:06:59,133 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:06:59,133 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:06:59,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-30 04:06:59,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-30 04:06:59,355 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:06:59,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:06:59,356 INFO L82 PathProgramCache]: Analyzing trace with hash -2123130314, now seen corresponding path program 1 times [2021-08-30 04:06:59,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:06:59,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840686438] [2021-08-30 04:06:59,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:06:59,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:06:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:06:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-30 04:06:59,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:06:59,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840686438] [2021-08-30 04:06:59,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840686438] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:06:59,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230308675] [2021-08-30 04:06:59,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:06:59,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:06:59,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:06:59,989 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:06:59,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-30 04:07:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:07:02,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 10749 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:07:02,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:07:02,849 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-30 04:07:02,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:07:02,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230308675] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:07:02,849 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:07:02,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:07:02,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863656880] [2021-08-30 04:07:02,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:07:02,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:07:02,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:07:02,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:07:02,851 INFO L87 Difference]: Start difference. First operand 441 states and 635 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:05,115 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:07:10,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:07:14,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:07:18,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:07:18,547 INFO L93 Difference]: Finished difference Result 855 states and 1234 transitions. [2021-08-30 04:07:18,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:07:18,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 118 [2021-08-30 04:07:18,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:07:18,549 INFO L225 Difference]: With dead ends: 855 [2021-08-30 04:07:18,549 INFO L226 Difference]: Without dead ends: 448 [2021-08-30 04:07:18,550 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 144.91ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:07:18,550 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 9 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14193.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15621.57ms IncrementalHoareTripleChecker+Time [2021-08-30 04:07:18,551 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 0 Invalid, 730 Unknown, 0 Unchecked, 6.76ms Time], IncrementalHoareTripleChecker [0 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 15621.57ms Time] [2021-08-30 04:07:18,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-08-30 04:07:18,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2021-08-30 04:07:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 440 states have (on average 1.4454545454545455) internal successors, (636), 441 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 636 transitions. [2021-08-30 04:07:18,562 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 636 transitions. Word has length 118 [2021-08-30 04:07:18,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:07:18,562 INFO L470 AbstractCegarLoop]: Abstraction has 442 states and 636 transitions. [2021-08-30 04:07:18,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 636 transitions. [2021-08-30 04:07:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-08-30 04:07:18,564 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:07:18,564 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:07:18,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-30 04:07:18,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:07:18,782 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:07:18,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:07:18,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1806303927, now seen corresponding path program 1 times [2021-08-30 04:07:18,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:07:18,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612051222] [2021-08-30 04:07:18,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:07:18,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:07:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:07:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-30 04:07:19,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:07:19,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612051222] [2021-08-30 04:07:19,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612051222] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:07:19,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343111557] [2021-08-30 04:07:19,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:07:19,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:07:19,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:07:19,381 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:07:19,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-30 04:07:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:07:21,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 10755 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:07:21,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:07:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-30 04:07:22,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:07:22,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343111557] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:07:22,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:07:22,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:07:22,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412252154] [2021-08-30 04:07:22,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:07:22,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:07:22,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:07:22,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:07:22,235 INFO L87 Difference]: Start difference. First operand 442 states and 636 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:24,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:07:29,738 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:07:33,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:07:38,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:07:38,504 INFO L93 Difference]: Finished difference Result 855 states and 1233 transitions. [2021-08-30 04:07:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:07:38,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 121 [2021-08-30 04:07:38,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:07:38,506 INFO L225 Difference]: With dead ends: 855 [2021-08-30 04:07:38,506 INFO L226 Difference]: Without dead ends: 447 [2021-08-30 04:07:38,507 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 148.55ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:07:38,508 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 6 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14862.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.94ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16210.92ms IncrementalHoareTripleChecker+Time [2021-08-30 04:07:38,508 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 0 Invalid, 730 Unknown, 0 Unchecked, 6.94ms Time], IncrementalHoareTripleChecker [0 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 16210.92ms Time] [2021-08-30 04:07:38,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-08-30 04:07:38,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2021-08-30 04:07:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 441 states have (on average 1.4444444444444444) internal successors, (637), 442 states have internal predecessors, (637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 637 transitions. [2021-08-30 04:07:38,518 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 637 transitions. Word has length 121 [2021-08-30 04:07:38,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:07:38,519 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 637 transitions. [2021-08-30 04:07:38,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:38,519 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 637 transitions. [2021-08-30 04:07:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-08-30 04:07:38,520 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:07:38,521 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:07:38,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-30 04:07:38,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-08-30 04:07:38,739 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:07:38,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:07:38,740 INFO L82 PathProgramCache]: Analyzing trace with hash -209511718, now seen corresponding path program 1 times [2021-08-30 04:07:38,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:07:38,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510614857] [2021-08-30 04:07:38,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:07:38,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:07:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:07:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-30 04:07:39,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:07:39,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510614857] [2021-08-30 04:07:39,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510614857] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:07:39,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117859651] [2021-08-30 04:07:39,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:07:39,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:07:39,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:07:39,378 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:07:39,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-08-30 04:07:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:07:41,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 10767 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-30 04:07:41,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:07:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-30 04:07:42,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:07:42,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117859651] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:07:42,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:07:42,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:07:42,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536589171] [2021-08-30 04:07:42,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:07:42,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:07:42,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:07:42,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:07:42,318 INFO L87 Difference]: Start difference. First operand 443 states and 637 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:44,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:07:50,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:07:54,073 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 [] [2021-08-30 04:07:58,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:07:58,763 INFO L93 Difference]: Finished difference Result 878 states and 1270 transitions. [2021-08-30 04:07:58,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:07:58,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 126 [2021-08-30 04:07:58,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:07:58,765 INFO L225 Difference]: With dead ends: 878 [2021-08-30 04:07:58,765 INFO L226 Difference]: Without dead ends: 469 [2021-08-30 04:07:58,766 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 148.27ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:07:58,767 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 41 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14855.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.95ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16381.32ms IncrementalHoareTripleChecker+Time [2021-08-30 04:07:58,767 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 0 Invalid, 730 Unknown, 0 Unchecked, 7.95ms Time], IncrementalHoareTripleChecker [0 Valid, 727 Invalid, 3 Unknown, 0 Unchecked, 16381.32ms Time] [2021-08-30 04:07:58,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-08-30 04:07:58,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 444. [2021-08-30 04:07:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 442 states have (on average 1.4434389140271493) internal successors, (638), 443 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 638 transitions. [2021-08-30 04:07:58,778 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 638 transitions. Word has length 126 [2021-08-30 04:07:58,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:07:58,778 INFO L470 AbstractCegarLoop]: Abstraction has 444 states and 638 transitions. [2021-08-30 04:07:58,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:07:58,779 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 638 transitions. [2021-08-30 04:07:58,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-08-30 04:07:58,780 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:07:58,780 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:07:58,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-08-30 04:07:59,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-30 04:07:59,009 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:07:59,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:07:59,010 INFO L82 PathProgramCache]: Analyzing trace with hash 2111075542, now seen corresponding path program 1 times [2021-08-30 04:07:59,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:07:59,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496474887] [2021-08-30 04:07:59,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:07:59,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:07:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:07:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-30 04:07:59,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:07:59,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496474887] [2021-08-30 04:07:59,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496474887] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:07:59,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099086619] [2021-08-30 04:07:59,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:07:59,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:07:59,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:07:59,579 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:07:59,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-08-30 04:08:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:08:02,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 10851 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-30 04:08:02,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:08:03,177 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-30 04:08:03,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:08:03,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099086619] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:08:03,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:08:03,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-08-30 04:08:03,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056094996] [2021-08-30 04:08:03,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:08:03,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:08:03,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:08:03,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:08:03,179 INFO L87 Difference]: Start difference. First operand 444 states and 638 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:08:05,510 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 [] [2021-08-30 04:08:10,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:08:14,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:08:22,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:08:22,192 INFO L93 Difference]: Finished difference Result 1244 states and 1791 transitions. [2021-08-30 04:08:22,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:08:22,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 144 [2021-08-30 04:08:22,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:08:22,195 INFO L225 Difference]: With dead ends: 1244 [2021-08-30 04:08:22,195 INFO L226 Difference]: Without dead ends: 834 [2021-08-30 04:08:22,196 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 142.48ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:08:22,198 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 321 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17341.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.95ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18906.44ms IncrementalHoareTripleChecker+Time [2021-08-30 04:08:22,198 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 0 Invalid, 1025 Unknown, 0 Unchecked, 6.95ms Time], IncrementalHoareTripleChecker [4 Valid, 1018 Invalid, 3 Unknown, 0 Unchecked, 18906.44ms Time] [2021-08-30 04:08:22,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2021-08-30 04:08:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 450. [2021-08-30 04:08:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 448 states have (on average 1.4419642857142858) internal successors, (646), 449 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:08:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 646 transitions. [2021-08-30 04:08:22,260 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 646 transitions. Word has length 144 [2021-08-30 04:08:22,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:08:22,261 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 646 transitions. [2021-08-30 04:08:22,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:08:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 646 transitions. [2021-08-30 04:08:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-08-30 04:08:22,263 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 04:08:22,263 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 04:08:22,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-08-30 04:08:22,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-30 04:08:22,476 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-30 04:08:22,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 04:08:22,476 INFO L82 PathProgramCache]: Analyzing trace with hash 231944596, now seen corresponding path program 1 times [2021-08-30 04:08:22,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-30 04:08:22,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707984931] [2021-08-30 04:08:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:08:22,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-30 04:08:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:08:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-08-30 04:08:22,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-30 04:08:22,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707984931] [2021-08-30 04:08:22,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707984931] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-30 04:08:22,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356943910] [2021-08-30 04:08:22,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 04:08:22,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-30 04:08:22,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 04:08:22,971 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-30 04:08:22,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-08-30 04:08:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 04:08:25,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 10852 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-30 04:08:25,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 04:08:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-30 04:08:27,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-30 04:08:27,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356943910] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-30 04:08:27,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-30 04:08:27,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-08-30 04:08:27,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318046806] [2021-08-30 04:08:27,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-30 04:08:27,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-30 04:08:27,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-30 04:08:27,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:08:27,852 INFO L87 Difference]: Start difference. First operand 450 states and 646 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:08:30,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:08:33,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-30 04:08:37,042 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 [] [2021-08-30 04:08:39,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 04:08:39,728 INFO L93 Difference]: Finished difference Result 450 states and 646 transitions. [2021-08-30 04:08:39,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-30 04:08:39,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 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 144 [2021-08-30 04:08:39,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 04:08:39,729 INFO L225 Difference]: With dead ends: 450 [2021-08-30 04:08:39,729 INFO L226 Difference]: Without dead ends: 0 [2021-08-30 04:08:39,730 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 127.56ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-30 04:08:39,731 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 215 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10486.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.79ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11826.80ms IncrementalHoareTripleChecker+Time [2021-08-30 04:08:39,731 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 0 Invalid, 372 Unknown, 0 Unchecked, 2.79ms Time], IncrementalHoareTripleChecker [2 Valid, 367 Invalid, 3 Unknown, 0 Unchecked, 11826.80ms Time] [2021-08-30 04:08:39,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-30 04:08:39,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-30 04:08:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:08:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-30 04:08:39,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 144 [2021-08-30 04:08:39,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 04:08:39,732 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-30 04:08:39,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-30 04:08:39,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-30 04:08:39,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-30 04:08:39,735 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-08-30 04:08:39,736 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-08-30 04:08:39,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-08-30 04:08:39,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-08-30 04:08:39,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-30 04:08:39,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:39,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,036 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:40,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-30 04:08:42,386 INFO L861 garLoopResultBuilder]: At program point L13116(lines 1 13968) the Hoare annotation is: true [2021-08-30 04:08:42,386 INFO L858 garLoopResultBuilder]: For program point L13182(lines 13182 13185) no Hoare annotation was computed. [2021-08-30 04:08:42,386 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 5933) no Hoare annotation was computed. [2021-08-30 04:08:42,386 INFO L858 garLoopResultBuilder]: For program point L7501(lines 7501 7573) no Hoare annotation was computed. [2021-08-30 04:08:42,386 INFO L858 garLoopResultBuilder]: For program point L7237-1(lines 7237 7240) no Hoare annotation was computed. [2021-08-30 04:08:42,387 INFO L858 garLoopResultBuilder]: For program point L11928(lines 11928 11934) no Hoare annotation was computed. [2021-08-30 04:08:42,387 INFO L858 garLoopResultBuilder]: For program point L7502(line 7502) no Hoare annotation was computed. [2021-08-30 04:08:42,387 INFO L858 garLoopResultBuilder]: For program point L7371(lines 7371 7374) no Hoare annotation was computed. [2021-08-30 04:08:42,387 INFO L858 garLoopResultBuilder]: For program point L7371-2(lines 7371 7374) no Hoare annotation was computed. [2021-08-30 04:08:42,387 INFO L858 garLoopResultBuilder]: For program point L7305(lines 7305 7308) no Hoare annotation was computed. [2021-08-30 04:08:42,387 INFO L854 garLoopResultBuilder]: At program point L13912(lines 13911 13913) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,387 INFO L858 garLoopResultBuilder]: For program point L7504(line 7504) no Hoare annotation was computed. [2021-08-30 04:08:42,388 INFO L858 garLoopResultBuilder]: For program point L10609(lines 10609 10613) no Hoare annotation was computed. [2021-08-30 04:08:42,388 INFO L858 garLoopResultBuilder]: For program point L11931(lines 11931 11934) no Hoare annotation was computed. [2021-08-30 04:08:42,388 INFO L858 garLoopResultBuilder]: For program point L13054(lines 13054 13058) no Hoare annotation was computed. [2021-08-30 04:08:42,388 INFO L854 garLoopResultBuilder]: At program point L13847(lines 13846 13848) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,388 INFO L858 garLoopResultBuilder]: For program point L11931-2(lines 11928 11934) no Hoare annotation was computed. [2021-08-30 04:08:42,388 INFO L854 garLoopResultBuilder]: At program point L13847-1(lines 13846 13848) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,389 INFO L858 garLoopResultBuilder]: For program point L7571(line 7571) no Hoare annotation was computed. [2021-08-30 04:08:42,389 INFO L854 garLoopResultBuilder]: At program point L11799(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,389 INFO L858 garLoopResultBuilder]: For program point L7505(lines 7505 7508) no Hoare annotation was computed. [2021-08-30 04:08:42,389 INFO L861 garLoopResultBuilder]: At program point L13187(lines 13179 13189) the Hoare annotation is: true [2021-08-30 04:08:42,389 INFO L861 garLoopResultBuilder]: At program point L13915(lines 13914 13916) the Hoare annotation is: true [2021-08-30 04:08:42,389 INFO L854 garLoopResultBuilder]: At program point L5789-2(lines 5784 5791) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,389 INFO L861 garLoopResultBuilder]: At program point L5789-3(lines 5784 5791) the Hoare annotation is: true [2021-08-30 04:08:42,390 INFO L854 garLoopResultBuilder]: At program point L5789(lines 5784 5791) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,391 INFO L854 garLoopResultBuilder]: At program point L5789-1(lines 5784 5791) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,391 INFO L854 garLoopResultBuilder]: At program point L13056(lines 13027 13072) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,391 INFO L854 garLoopResultBuilder]: At program point L11801(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,391 INFO L858 garLoopResultBuilder]: For program point L11339(lines 11339 11342) no Hoare annotation was computed. [2021-08-30 04:08:42,391 INFO L858 garLoopResultBuilder]: For program point L11339-2(lines 11339 11342) no Hoare annotation was computed. [2021-08-30 04:08:42,391 INFO L854 garLoopResultBuilder]: At program point L13850(lines 7581 7588) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,392 INFO L854 garLoopResultBuilder]: At program point L7574(lines 7488 7579) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,392 INFO L858 garLoopResultBuilder]: For program point L13784(lines 13784 13787) no Hoare annotation was computed. [2021-08-30 04:08:42,392 INFO L858 garLoopResultBuilder]: For program point L7376-2(lines 7376 7379) no Hoare annotation was computed. [2021-08-30 04:08:42,392 INFO L858 garLoopResultBuilder]: For program point L7376(lines 7376 7379) no Hoare annotation was computed. [2021-08-30 04:08:42,392 INFO L861 garLoopResultBuilder]: At program point L10614(lines 10606 10616) the Hoare annotation is: true [2021-08-30 04:08:42,392 INFO L854 garLoopResultBuilder]: At program point L11671(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,393 INFO L854 garLoopResultBuilder]: At program point L11804(lines 11728 11806) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,394 INFO L854 garLoopResultBuilder]: At program point L9756(lines 9752 9758) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,394 INFO L858 garLoopResultBuilder]: For program point L7510(line 7510) no Hoare annotation was computed. [2021-08-30 04:08:42,394 INFO L854 garLoopResultBuilder]: At program point L7312(lines 7297 7318) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,394 INFO L854 garLoopResultBuilder]: At program point L13060(lines 13027 13072) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,394 INFO L854 garLoopResultBuilder]: At program point L13853(lines 13852 13854) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,395 INFO L858 garLoopResultBuilder]: For program point L11937(lines 11937 11943) no Hoare annotation was computed. [2021-08-30 04:08:42,395 INFO L858 garLoopResultBuilder]: For program point L7511(lines 7511 7543) no Hoare annotation was computed. [2021-08-30 04:08:42,395 INFO L854 garLoopResultBuilder]: At program point L11673(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,395 INFO L854 garLoopResultBuilder]: At program point L11343(lines 11318 11345) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,395 INFO L861 garLoopResultBuilder]: At program point L7578(lines 7481 7580) the Hoare annotation is: true [2021-08-30 04:08:42,395 INFO L854 garLoopResultBuilder]: At program point L7314(lines 7297 7318) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,395 INFO L854 garLoopResultBuilder]: At program point L13062(lines 13027 13072) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,396 INFO L858 garLoopResultBuilder]: For program point L7513(lines 7513 7540) no Hoare annotation was computed. [2021-08-30 04:08:42,396 INFO L858 garLoopResultBuilder]: For program point L11940(lines 11940 11943) no Hoare annotation was computed. [2021-08-30 04:08:42,396 INFO L858 garLoopResultBuilder]: For program point L11940-2(lines 11937 11943) no Hoare annotation was computed. [2021-08-30 04:08:42,396 INFO L858 garLoopResultBuilder]: For program point L7514(line 7514) no Hoare annotation was computed. [2021-08-30 04:08:42,396 INFO L858 garLoopResultBuilder]: For program point L11280-3(lines 11280 11285) no Hoare annotation was computed. [2021-08-30 04:08:42,396 INFO L858 garLoopResultBuilder]: For program point L11280-5(lines 11280 11285) no Hoare annotation was computed. [2021-08-30 04:08:42,396 INFO L858 garLoopResultBuilder]: For program point L11280(lines 11280 11285) no Hoare annotation was computed. [2021-08-30 04:08:42,396 INFO L858 garLoopResultBuilder]: For program point L11280-2(lines 11280 11285) no Hoare annotation was computed. [2021-08-30 04:08:42,397 INFO L854 garLoopResultBuilder]: At program point L5929(lines 13758 13767) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,397 INFO L854 garLoopResultBuilder]: At program point L5929-1(lines 13781 13790) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,397 INFO L854 garLoopResultBuilder]: At program point L5797(lines 5793 5799) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,397 INFO L861 garLoopResultBuilder]: At program point L5797-1(lines 5793 5799) the Hoare annotation is: true [2021-08-30 04:08:42,397 INFO L854 garLoopResultBuilder]: At program point L13659(lines 13655 13661) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,397 INFO L858 garLoopResultBuilder]: For program point L11743-2(lines 11743 11746) no Hoare annotation was computed. [2021-08-30 04:08:42,397 INFO L858 garLoopResultBuilder]: For program point L11611(lines 11611 11614) no Hoare annotation was computed. [2021-08-30 04:08:42,398 INFO L854 garLoopResultBuilder]: At program point L7713(lines 7708 7715) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,398 INFO L858 garLoopResultBuilder]: For program point L7515(lines 7515 7520) no Hoare annotation was computed. [2021-08-30 04:08:42,398 INFO L858 garLoopResultBuilder]: For program point L11743(lines 11743 11746) no Hoare annotation was computed. [2021-08-30 04:08:42,398 INFO L858 garLoopResultBuilder]: For program point L11611-3(lines 11611 11614) no Hoare annotation was computed. [2021-08-30 04:08:42,398 INFO L858 garLoopResultBuilder]: For program point L11611-2(lines 11611 11614) no Hoare annotation was computed. [2021-08-30 04:08:42,398 INFO L858 garLoopResultBuilder]: For program point L11611-5(lines 11611 11614) no Hoare annotation was computed. [2021-08-30 04:08:42,398 INFO L854 garLoopResultBuilder]: At program point L7317(lines 7271 7361) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,399 INFO L854 garLoopResultBuilder]: At program point L10622-1(lines 10617 10624) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,399 INFO L854 garLoopResultBuilder]: At program point L10622(lines 10617 10624) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,400 INFO L858 garLoopResultBuilder]: For program point L7253-2(lines 7253 7256) no Hoare annotation was computed. [2021-08-30 04:08:42,400 INFO L858 garLoopResultBuilder]: For program point L7253(lines 7253 7256) no Hoare annotation was computed. [2021-08-30 04:08:42,400 INFO L858 garLoopResultBuilder]: For program point L5932-1(line 5932) no Hoare annotation was computed. [2021-08-30 04:08:42,400 INFO L858 garLoopResultBuilder]: For program point L5932(line 5932) no Hoare annotation was computed. [2021-08-30 04:08:42,400 INFO L861 garLoopResultBuilder]: At program point L13860(lines 13859 13861) the Hoare annotation is: true [2021-08-30 04:08:42,400 INFO L861 garLoopResultBuilder]: At program point L13795(lines 13791 13797) the Hoare annotation is: true [2021-08-30 04:08:42,400 INFO L858 garLoopResultBuilder]: For program point L11946(lines 11946 11952) no Hoare annotation was computed. [2021-08-30 04:08:42,401 INFO L854 garLoopResultBuilder]: At program point L11748(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,401 INFO L854 garLoopResultBuilder]: At program point L11682(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,401 INFO L861 garLoopResultBuilder]: At program point L5804-1(lines 5801 5806) the Hoare annotation is: true [2021-08-30 04:08:42,401 INFO L854 garLoopResultBuilder]: At program point L13071(lines 13021 13073) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,401 INFO L861 garLoopResultBuilder]: At program point L5804(lines 5801 5806) the Hoare annotation is: true [2021-08-30 04:08:42,401 INFO L854 garLoopResultBuilder]: At program point L11684(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,401 INFO L858 garLoopResultBuilder]: For program point L7522(line 7522) no Hoare annotation was computed. [2021-08-30 04:08:42,401 INFO L854 garLoopResultBuilder]: At program point L11750(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,402 INFO L858 garLoopResultBuilder]: For program point L11949(lines 11949 11952) no Hoare annotation was computed. [2021-08-30 04:08:42,402 INFO L858 garLoopResultBuilder]: For program point L11949-2(lines 11946 11952) no Hoare annotation was computed. [2021-08-30 04:08:42,402 INFO L854 garLoopResultBuilder]: At program point L11619-1(lines 11346 11621) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,402 INFO L854 garLoopResultBuilder]: At program point L11619(lines 11346 11621) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,402 INFO L858 garLoopResultBuilder]: For program point L7523(lines 7523 7536) no Hoare annotation was computed. [2021-08-30 04:08:42,402 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-30 04:08:42,402 INFO L858 garLoopResultBuilder]: For program point L11289-1(lines 11289 11292) no Hoare annotation was computed. [2021-08-30 04:08:42,402 INFO L858 garLoopResultBuilder]: For program point L11289(lines 11289 11292) no Hoare annotation was computed. [2021-08-30 04:08:42,402 INFO L858 garLoopResultBuilder]: For program point L5872-1(lines 5872 5874) no Hoare annotation was computed. [2021-08-30 04:08:42,403 INFO L858 garLoopResultBuilder]: For program point L5872-2(lines 5872 5874) no Hoare annotation was computed. [2021-08-30 04:08:42,403 INFO L858 garLoopResultBuilder]: For program point L5872(lines 5872 5874) no Hoare annotation was computed. [2021-08-30 04:08:42,403 INFO L858 garLoopResultBuilder]: For program point L5872-5(lines 5872 5874) no Hoare annotation was computed. [2021-08-30 04:08:42,403 INFO L858 garLoopResultBuilder]: For program point L5872-3(lines 5872 5874) no Hoare annotation was computed. [2021-08-30 04:08:42,403 INFO L858 garLoopResultBuilder]: For program point L5872-4(lines 5872 5874) no Hoare annotation was computed. [2021-08-30 04:08:42,403 INFO L858 garLoopResultBuilder]: For program point L13140(lines 13140 13144) no Hoare annotation was computed. [2021-08-30 04:08:42,403 INFO L861 garLoopResultBuilder]: At program point L5939(lines 5938 5941) the Hoare annotation is: true [2021-08-30 04:08:42,403 INFO L861 garLoopResultBuilder]: At program point L5939-1(lines 5938 5941) the Hoare annotation is: true [2021-08-30 04:08:42,403 INFO L858 garLoopResultBuilder]: For program point L5873-2(line 5873) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L5873(line 5873) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L861 garLoopResultBuilder]: At program point L5939-2(lines 5938 5941) the Hoare annotation is: true [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L5873-6(line 5873) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L5873-4(line 5873) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L5873-10(line 5873) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L5873-8(line 5873) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L7525-2(lines 7523 7535) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L854 garLoopResultBuilder]: At program point L11687(line 7332) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L7525(lines 7525 7529) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L854 garLoopResultBuilder]: At program point L13802(lines 13798 13804) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,404 INFO L861 garLoopResultBuilder]: At program point L7724(lines 7716 7726) the Hoare annotation is: true [2021-08-30 04:08:42,404 INFO L854 garLoopResultBuilder]: At program point L7262(lines 7188 7264) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L11821(lines 11821 11824) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L854 garLoopResultBuilder]: At program point L11755(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,404 INFO L858 garLoopResultBuilder]: For program point L11821-2(lines 11812 11843) no Hoare annotation was computed. [2021-08-30 04:08:42,404 INFO L854 garLoopResultBuilder]: At program point L12945(lines 12941 12947) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,405 INFO L858 garLoopResultBuilder]: For program point L7198(line 7198) no Hoare annotation was computed. [2021-08-30 04:08:42,405 INFO L854 garLoopResultBuilder]: At program point L11294-1(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,405 INFO L854 garLoopResultBuilder]: At program point L11294(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,405 INFO L858 garLoopResultBuilder]: For program point L7198-2(lines 7198 7201) no Hoare annotation was computed. [2021-08-30 04:08:42,405 INFO L858 garLoopResultBuilder]: For program point L11955(lines 11955 11961) no Hoare annotation was computed. [2021-08-30 04:08:42,405 INFO L854 garLoopResultBuilder]: At program point L11757(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,405 INFO L861 garLoopResultBuilder]: At program point L13871(lines 13870 13872) the Hoare annotation is: true [2021-08-30 04:08:42,405 INFO L858 garLoopResultBuilder]: For program point L7332-1(line 7332) no Hoare annotation was computed. [2021-08-30 04:08:42,405 INFO L854 garLoopResultBuilder]: At program point L13146(lines 13130 13148) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,405 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-30 04:08:42,405 INFO L858 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-08-30 04:08:42,405 INFO L858 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2021-08-30 04:08:42,405 INFO L854 garLoopResultBuilder]: At program point L11296(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,405 INFO L858 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-08-30 04:08:42,405 INFO L854 garLoopResultBuilder]: At program point L11296-1(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,406 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5933) no Hoare annotation was computed. [2021-08-30 04:08:42,406 INFO L858 garLoopResultBuilder]: For program point L11825-1(lines 11825 11828) no Hoare annotation was computed. [2021-08-30 04:08:42,406 INFO L858 garLoopResultBuilder]: For program point L7333-2(line 7333) no Hoare annotation was computed. [2021-08-30 04:08:42,406 INFO L858 garLoopResultBuilder]: For program point L7333(line 7333) no Hoare annotation was computed. [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L5946(lines 5943 5948) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~poll~0 0)) [2021-08-30 04:08:42,406 INFO L858 garLoopResultBuilder]: For program point L11958-2(lines 11955 11961) no Hoare annotation was computed. [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L5946-3(lines 5943 5948) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L5946-1(lines 5943 5948) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L5946-2(lines 5943 5948) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,406 INFO L858 garLoopResultBuilder]: For program point L11958(lines 11958 11961) no Hoare annotation was computed. [2021-08-30 04:08:42,406 INFO L861 garLoopResultBuilder]: At program point L7532(lines 1 13968) the Hoare annotation is: true [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L6013(lines 6005 6015) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L5815(lines 5812 5817) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L5815-1(lines 5812 5817) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L11299-1(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,406 INFO L854 garLoopResultBuilder]: At program point L11299(lines 11270 11301) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,407 INFO L854 garLoopResultBuilder]: At program point L11300-2(lines 11264 11302) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11300-1(line 11300) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L7204(lines 7204 7208) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11300-4(line 11300) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L854 garLoopResultBuilder]: At program point L11300-5(lines 11264 11302) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11631-3(lines 11631 11634) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11631-5(lines 11631 11634) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11631-1(lines 11631 11634) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L854 garLoopResultBuilder]: At program point L7337(lines 7337 7340) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11631-7(lines 11631 11634) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L5884-1(lines 5884 5892) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L5884(lines 5884 5892) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11764(lines 11764 11767) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11698(lines 11698 11724) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L858 garLoopResultBuilder]: For program point L11764-2(lines 11764 11767) no Hoare annotation was computed. [2021-08-30 04:08:42,407 INFO L854 garLoopResultBuilder]: At program point L11698-2(lines 11690 11727) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L13879(lines 13878 13880) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L11831(lines 11812 11843) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L858 garLoopResultBuilder]: For program point L11964(lines 11964 11970) no Hoare annotation was computed. [2021-08-30 04:08:42,408 INFO L858 garLoopResultBuilder]: For program point L7538(line 7538) no Hoare annotation was computed. [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L11833(lines 11812 11843) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L858 garLoopResultBuilder]: For program point L7209-2(lines 7209 7212) no Hoare annotation was computed. [2021-08-30 04:08:42,408 INFO L858 garLoopResultBuilder]: For program point L7209(lines 7209 7212) no Hoare annotation was computed. [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L10182(lines 10173 10194) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L11636(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L11636-2(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L11636-1(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L11636-3(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L858 garLoopResultBuilder]: For program point L7276(lines 7276 7318) no Hoare annotation was computed. [2021-08-30 04:08:42,408 INFO L858 garLoopResultBuilder]: For program point L10183(lines 10183 10186) no Hoare annotation was computed. [2021-08-30 04:08:42,408 INFO L854 garLoopResultBuilder]: At program point L13883(lines 13882 13884) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,408 INFO L858 garLoopResultBuilder]: For program point L11901(lines 11901 11907) no Hoare annotation was computed. [2021-08-30 04:08:42,409 INFO L858 garLoopResultBuilder]: For program point L11967-2(lines 11964 11970) no Hoare annotation was computed. [2021-08-30 04:08:42,409 INFO L858 garLoopResultBuilder]: For program point L11967(lines 11967 11970) no Hoare annotation was computed. [2021-08-30 04:08:42,409 INFO L858 garLoopResultBuilder]: For program point L7343(lines 7343 7347) no Hoare annotation was computed. [2021-08-30 04:08:42,409 INFO L858 garLoopResultBuilder]: For program point L7277(lines 7277 7282) no Hoare annotation was computed. [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L10184(lines 10173 10194) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L11638-2(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L11638-1(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L11638-3(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L11638(lines 11626 11642) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L6023(lines 6016 6025) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L858 garLoopResultBuilder]: For program point L13092(lines 13092 13095) no Hoare annotation was computed. [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L5891(lines 5877 5894) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L5891-1(lines 5877 5894) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L11837(lines 11812 11843) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L858 garLoopResultBuilder]: For program point L11771(lines 11771 11774) no Hoare annotation was computed. [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L11706(lines 11698 11711) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,409 INFO L854 garLoopResultBuilder]: At program point L13886-1(lines 13885 13887) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L858 garLoopResultBuilder]: For program point L11904(lines 11904 11907) no Hoare annotation was computed. [2021-08-30 04:08:42,410 INFO L858 garLoopResultBuilder]: For program point L11904-2(lines 11901 11907) no Hoare annotation was computed. [2021-08-30 04:08:42,410 INFO L858 garLoopResultBuilder]: For program point L13028(lines 13028 13031) no Hoare annotation was computed. [2021-08-30 04:08:42,410 INFO L854 garLoopResultBuilder]: At program point L11839(lines 11812 11843) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L858 garLoopResultBuilder]: For program point L7545(line 7545) no Hoare annotation was computed. [2021-08-30 04:08:42,410 INFO L854 garLoopResultBuilder]: At program point L11641-1(lines 11622 11643) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L854 garLoopResultBuilder]: At program point L11641(lines 11622 11643) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L854 garLoopResultBuilder]: At program point L11641-3(lines 11622 11643) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L854 garLoopResultBuilder]: At program point L11641-2(lines 11622 11643) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L858 garLoopResultBuilder]: For program point L11311-2(lines 11307 11316) no Hoare annotation was computed. [2021-08-30 04:08:42,410 INFO L854 garLoopResultBuilder]: At program point L10188(lines 10173 10194) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L858 garLoopResultBuilder]: For program point L11311(lines 11311 11314) no Hoare annotation was computed. [2021-08-30 04:08:42,410 INFO L854 garLoopResultBuilder]: At program point L11708(lines 11698 11711) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L858 garLoopResultBuilder]: For program point L10189(lines 10189 10192) no Hoare annotation was computed. [2021-08-30 04:08:42,410 INFO L854 garLoopResultBuilder]: At program point L11973(lines 11872 11979) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,410 INFO L858 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2021-08-30 04:08:42,411 INFO L858 garLoopResultBuilder]: For program point L7283(lines 7283 7288) no Hoare annotation was computed. [2021-08-30 04:08:42,411 INFO L858 garLoopResultBuilder]: For program point L7349(lines 7349 7353) no Hoare annotation was computed. [2021-08-30 04:08:42,411 INFO L854 garLoopResultBuilder]: At program point L10190(lines 10173 10194) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,411 INFO L854 garLoopResultBuilder]: At program point L11842(lines 7337 7340) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,411 INFO L854 garLoopResultBuilder]: At program point L11776(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,411 INFO L858 garLoopResultBuilder]: For program point L7548(lines 7548 7551) no Hoare annotation was computed. [2021-08-30 04:08:42,411 INFO L854 garLoopResultBuilder]: At program point L13957(lines 13956 13958) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,411 INFO L854 garLoopResultBuilder]: At program point L11975(lines 11872 11979) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,411 INFO L858 garLoopResultBuilder]: For program point L11315-1(line 11315) no Hoare annotation was computed. [2021-08-30 04:08:42,411 INFO L854 garLoopResultBuilder]: At program point L11315-2(lines 11303 11317) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,411 INFO L854 garLoopResultBuilder]: At program point L11778(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,411 INFO L858 garLoopResultBuilder]: For program point L11910(lines 11910 11916) no Hoare annotation was computed. [2021-08-30 04:08:42,411 INFO L858 garLoopResultBuilder]: For program point L13034(lines 13034 13037) no Hoare annotation was computed. [2021-08-30 04:08:42,411 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-30 04:08:42,411 INFO L858 garLoopResultBuilder]: For program point L13761(lines 13761 13764) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L854 garLoopResultBuilder]: At program point L11978(lines 11866 11980) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,412 INFO L854 garLoopResultBuilder]: At program point L13828(lines 13827 13829) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L13102(lines 13102 13106) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L854 garLoopResultBuilder]: At program point L11781(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,412 INFO L854 garLoopResultBuilder]: At program point L13895(lines 13894 13896) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~poll~0 0)) [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L11913(lines 11913 11916) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L11913-2(lines 11910 11916) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L7553(line 7553) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L5902(lines 5902 5910) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L7554(lines 7554 7569) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L854 garLoopResultBuilder]: At program point L12905(lines 12902 12907) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L7290(lines 7290 7296) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L7224-2(lines 7224 7230) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L858 garLoopResultBuilder]: For program point L7224(lines 7224 7230) no Hoare annotation was computed. [2021-08-30 04:08:42,412 INFO L854 garLoopResultBuilder]: At program point L13963(lines 13962 13964) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,412 INFO L854 garLoopResultBuilder]: At program point L13831(lines 13830 13832) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,413 INFO L861 garLoopResultBuilder]: At program point L13171(lines 13156 13177) the Hoare annotation is: true [2021-08-30 04:08:42,413 INFO L854 garLoopResultBuilder]: At program point L11784(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,413 INFO L858 garLoopResultBuilder]: For program point L7556(lines 7556 7566) no Hoare annotation was computed. [2021-08-30 04:08:42,413 INFO L854 garLoopResultBuilder]: At program point L11719(lines 11711 11724) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,413 INFO L858 garLoopResultBuilder]: For program point L7557(line 7557) no Hoare annotation was computed. [2021-08-30 04:08:42,413 INFO L861 garLoopResultBuilder]: At program point L13173(lines 13156 13177) the Hoare annotation is: true [2021-08-30 04:08:42,413 INFO L854 garLoopResultBuilder]: At program point L13834(lines 13833 13835) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,413 INFO L854 garLoopResultBuilder]: At program point L11786(lines 11735 11805) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,413 INFO L858 garLoopResultBuilder]: For program point L13966-1(lines 13966 13968) no Hoare annotation was computed. [2021-08-30 04:08:42,413 INFO L858 garLoopResultBuilder]: For program point L13966(lines 13966 13968) no Hoare annotation was computed. [2021-08-30 04:08:42,413 INFO L858 garLoopResultBuilder]: For program point L7558(lines 7558 7562) no Hoare annotation was computed. [2021-08-30 04:08:42,413 INFO L861 garLoopResultBuilder]: At program point L13834-1(lines 13833 13835) the Hoare annotation is: true [2021-08-30 04:08:42,413 INFO L854 garLoopResultBuilder]: At program point L7360(lines 7266 7362) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,413 INFO L861 garLoopResultBuilder]: At program point L13901(lines 13900 13902) the Hoare annotation is: true [2021-08-30 04:08:42,413 INFO L858 garLoopResultBuilder]: For program point L11919(lines 11919 11925) no Hoare annotation was computed. [2021-08-30 04:08:42,413 INFO L854 garLoopResultBuilder]: At program point L11721(lines 11711 11724) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,414 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-30 04:08:42,414 INFO L858 garLoopResultBuilder]: For program point L13044(lines 13044 13048) no Hoare annotation was computed. [2021-08-30 04:08:42,414 INFO L861 garLoopResultBuilder]: At program point L13110(lines 13091 13117) the Hoare annotation is: true [2021-08-30 04:08:42,414 INFO L854 garLoopResultBuilder]: At program point L5909(lines 5895 5912) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~poll~0 0)) [2021-08-30 04:08:42,414 INFO L861 garLoopResultBuilder]: At program point L13176(lines 1 13968) the Hoare annotation is: true [2021-08-30 04:08:42,414 INFO L858 garLoopResultBuilder]: For program point L11922(lines 11922 11925) no Hoare annotation was computed. [2021-08-30 04:08:42,414 INFO L858 garLoopResultBuilder]: For program point L11922-2(lines 11919 11925) no Hoare annotation was computed. [2021-08-30 04:08:42,414 INFO L854 garLoopResultBuilder]: At program point L12913-2(lines 12908 12915) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,414 INFO L854 garLoopResultBuilder]: At program point L12913-3(lines 12908 12915) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,414 INFO L854 garLoopResultBuilder]: At program point L12913(lines 12908 12915) the Hoare annotation is: (and (= ~ldv_spin~0 0) (= ~poll~0 0)) [2021-08-30 04:08:42,414 INFO L854 garLoopResultBuilder]: At program point L12913-1(lines 12908 12915) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,414 INFO L854 garLoopResultBuilder]: At program point L13904(lines 13903 13905) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,414 INFO L858 garLoopResultBuilder]: For program point L7232-2(lines 7197 7263) no Hoare annotation was computed. [2021-08-30 04:08:42,414 INFO L858 garLoopResultBuilder]: For program point L7232(lines 7232 7236) no Hoare annotation was computed. [2021-08-30 04:08:42,414 INFO L854 garLoopResultBuilder]: At program point L13046(lines 13027 13072) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,414 INFO L861 garLoopResultBuilder]: At program point L13112(lines 13091 13117) the Hoare annotation is: true [2021-08-30 04:08:42,415 INFO L854 garLoopResultBuilder]: At program point L11659(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,415 INFO L858 garLoopResultBuilder]: For program point L7564(line 7564) no Hoare annotation was computed. [2021-08-30 04:08:42,415 INFO L854 garLoopResultBuilder]: At program point L11661(lines 11651 11688) the Hoare annotation is: (= ~ldv_spin~0 0) [2021-08-30 04:08:42,415 INFO L858 garLoopResultBuilder]: For program point L11793(lines 11793 11796) no Hoare annotation was computed. [2021-08-30 04:08:42,415 INFO L858 garLoopResultBuilder]: For program point L11793-2(lines 11793 11796) no Hoare annotation was computed. [2021-08-30 04:08:42,415 INFO L858 garLoopResultBuilder]: For program point L7302(lines 7302 7310) no Hoare annotation was computed. [2021-08-30 04:08:42,415 INFO L858 garLoopResultBuilder]: For program point L7302-2(lines 7302 7310) no Hoare annotation was computed. [2021-08-30 04:08:42,425 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 04:08:42,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 04:08:42 BoogieIcfgContainer [2021-08-30 04:08:42,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 04:08:42,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 04:08:42,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 04:08:42,466 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 04:08:42,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:03:25" (3/4) ... [2021-08-30 04:08:42,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-30 04:08:42,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 296 nodes and edges [2021-08-30 04:08:42,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2021-08-30 04:08:42,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-08-30 04:08:42,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-08-30 04:08:42,552 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-08-30 04:08:42,554 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-08-30 04:08:42,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-08-30 04:08:42,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 04:08:42,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 04:08:45,936 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 04:08:45,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 04:08:45,937 INFO L158 Benchmark]: Toolchain (without parser) took 415631.86ms. Allocated memory was 58.7MB in the beginning and 1.7GB in the end (delta: 1.7GB). Free memory was 32.5MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2021-08-30 04:08:45,937 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 58.7MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 04:08:45,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4015.56ms. Allocated memory was 58.7MB in the beginning and 167.8MB in the end (delta: 109.1MB). Free memory was 32.4MB in the beginning and 63.6MB in the end (delta: -31.2MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2021-08-30 04:08:45,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 498.92ms. Allocated memory is still 167.8MB. Free memory was 63.6MB in the beginning and 46.9MB in the end (delta: 16.7MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-08-30 04:08:45,938 INFO L158 Benchmark]: Boogie Preprocessor took 376.71ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 46.9MB in the beginning and 203.5MB in the end (delta: -156.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-08-30 04:08:45,938 INFO L158 Benchmark]: RCFGBuilder took 90481.84ms. Allocated memory was 335.5MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 203.5MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-08-30 04:08:45,939 INFO L158 Benchmark]: TraceAbstraction took 316780.48ms. Allocated memory is still 1.7GB. Free memory was 1.5GB in the beginning and 673.2MB in the end (delta: 816.7MB). Peak memory consumption was 816.7MB. Max. memory is 16.1GB. [2021-08-30 04:08:45,939 INFO L158 Benchmark]: Witness Printer took 3470.77ms. Allocated memory is still 1.7GB. Free memory was 673.2MB in the beginning and 1.5GB in the end (delta: -824.1MB). Peak memory consumption was 166.8MB. Max. memory is 16.1GB. [2021-08-30 04:08:45,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 58.7MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4015.56ms. Allocated memory was 58.7MB in the beginning and 167.8MB in the end (delta: 109.1MB). Free memory was 32.4MB in the beginning and 63.6MB in the end (delta: -31.2MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 498.92ms. Allocated memory is still 167.8MB. Free memory was 63.6MB in the beginning and 46.9MB in the end (delta: 16.7MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 376.71ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 46.9MB in the beginning and 203.5MB in the end (delta: -156.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * RCFGBuilder took 90481.84ms. Allocated memory was 335.5MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 203.5MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * TraceAbstraction took 316780.48ms. Allocated memory is still 1.7GB. Free memory was 1.5GB in the beginning and 673.2MB in the end (delta: 816.7MB). Peak memory consumption was 816.7MB. Max. memory is 16.1GB. * Witness Printer took 3470.77ms. Allocated memory is still 1.7GB. Free memory was 673.2MB in the beginning and 1.5GB in the end (delta: -824.1MB). Peak memory consumption was 166.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 5933]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 5933]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 290 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 316676.69ms, OverallIterations: 16, TraceHistogramMax: 2, EmptinessCheckTime: 38.32ms, AutomataDifference: 259125.90ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 2436.04ms, InitialAbstractionConstructionTime: 11.68ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 49 mSolverCounterUnknown, 2019 SdHoareTripleChecker+Valid, 257433.42ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2019 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 235523.35ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5634 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12265 IncrementalHoareTripleChecker+Invalid, 12350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 3 mSDtfsCounter, 12265 mSolverCounterSat, 125.35ms SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1385 GetRequests, 1341 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2067.06ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=860occurred in iteration=4, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 306.07ms AutomataMinimizationTime, 16 MinimizatonAttempts, 1449 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 141 LocationsWithAnnotation, 141 PreInvPairs, 360 NumberOfFragments, 391 HoareAnnotationTreeSize, 141 FomulaSimplifications, 5508 FormulaSimplificationTreeSizeReduction, 154.65ms HoareSimplificationTime, 141 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 2254.82ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 3968.27ms SsaConstructionTime, 27987.03ms SatisfiabilityAnalysisTime, 15844.50ms InterpolantComputationTime, 2756 NumberOfCodeBlocks, 2756 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2727 ConstructedInterpolants, 0 QuantifiedInterpolants, 3357 SizeOfPredicates, 0 NumberOfNonLiveVariables, 135779 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 29 InterpolantComputations, 16 PerfectInterpolantSequences, 265/302 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13758]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7332]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13798]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11698]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11346]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5943]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13130]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5877]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13962]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13846]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13781]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 12908]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13911]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7581]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13027]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7297]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11264]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11622]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6005]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11264]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10173]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7708]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5784]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13655]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11303]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5943]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13882]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13027]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7337]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13021]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13027]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 10173]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 12908]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 12908]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 10606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11872]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7188]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7271]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11711]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5943]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11866]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11346]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10617]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 6016]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13878]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13956]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5784]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10173]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11318]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11622]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13846]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7488]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13091]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13091]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12902]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13885]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13894]: Loop Invariant Derived loop invariant: ldv_spin == 0 && poll == 0 - InvariantResult [Line: 11622]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 9752]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5784]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13830]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13833]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 10173]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5895]: Loop Invariant Derived loop invariant: ldv_spin == 0 && poll == 0 - InvariantResult [Line: 11812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11690]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5793]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7266]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13852]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5943]: Loop Invariant Derived loop invariant: ldv_spin == 0 && poll == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11711]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13903]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11698]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5812]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 10617]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13827]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 7337]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13027]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11270]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11651]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 12908]: Loop Invariant Derived loop invariant: ldv_spin == 0 && poll == 0 - InvariantResult [Line: 12941]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11622]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5938]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7297]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11626]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11872]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 11735]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 5877]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 13859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11728]: Loop Invariant Derived loop invariant: ldv_spin == 0 RESULT: Ultimate proved your program to be correct! [2021-08-30 04:08:46,175 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-08-30 04:08:46,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...