./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa --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 32bit --witnessprinter.graph.data.programhash 492f3884ca52ad1e2a4bb1a7ea4174df881161f6f116a98f5375f793f3d1436b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:00:24,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:00:24,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:00:24,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:00:24,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:00:24,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:00:24,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:00:24,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:00:24,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:00:24,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:00:24,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:00:24,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:00:24,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:00:24,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:00:24,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:00:24,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:00:24,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:00:24,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:00:24,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:00:24,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:00:24,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:00:24,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:00:24,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:00:24,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:00:24,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:00:24,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:00:24,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:00:24,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:00:24,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:00:24,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:00:24,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:00:24,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:00:24,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:00:24,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:00:24,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:00:24,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:00:24,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:00:24,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:00:24,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:00:24,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:00:24,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:00:24,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:00:24,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:00:24,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:00:24,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:00:24,401 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:00:24,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:00:24,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:00:24,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:00:24,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:00:24,402 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:00:24,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:00:24,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:00:24,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:00:24,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:00:24,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:00:24,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:00:24,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:00:24,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:00:24,403 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:00:24,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:00:24,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:00:24,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:00:24,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:00:24,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:00:24,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:00:24,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:00:24,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:00:24,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:00:24,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:00:24,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:00:24,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:00:24,405 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:00:24,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:00:24,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:00:24,405 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:00:24,405 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 492f3884ca52ad1e2a4bb1a7ea4174df881161f6f116a98f5375f793f3d1436b [2021-12-06 18:00:24,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:00:24,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:00:24,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:00:24,592 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:00:24,592 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:00:24,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem15_label32.c [2021-12-06 18:00:24,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/data/4c4bf8431/98eeb5b66dec49da86a570cb2ceefbb3/FLAG73a752579 [2021-12-06 18:00:25,191 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:00:25,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/sv-benchmarks/c/eca-rers2012/Problem15_label32.c [2021-12-06 18:00:25,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/data/4c4bf8431/98eeb5b66dec49da86a570cb2ceefbb3/FLAG73a752579 [2021-12-06 18:00:25,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/data/4c4bf8431/98eeb5b66dec49da86a570cb2ceefbb3 [2021-12-06 18:00:25,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:00:25,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:00:25,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:00:25,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:00:25,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:00:25,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:00:25" (1/1) ... [2021-12-06 18:00:25,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbb56db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:25, skipping insertion in model container [2021-12-06 18:00:25,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:00:25" (1/1) ... [2021-12-06 18:00:25,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:00:25,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:00:25,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/sv-benchmarks/c/eca-rers2012/Problem15_label32.c[6074,6087] [2021-12-06 18:00:26,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:00:26,147 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:00:26,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/sv-benchmarks/c/eca-rers2012/Problem15_label32.c[6074,6087] [2021-12-06 18:00:26,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:00:26,340 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:00:26,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26 WrapperNode [2021-12-06 18:00:26,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:00:26,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:00:26,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:00:26,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:00:26,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,495 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-12-06 18:00:26,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:00:26,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:00:26,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:00:26,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:00:26,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:00:26,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:00:26,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:00:26,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:00:26,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (1/1) ... [2021-12-06 18:00:26,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:00:26,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:00:26,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:00:26,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:00:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:00:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:00:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:00:26,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:00:26,789 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:00:26,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:00:28,761 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:00:28,771 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:00:28,771 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:00:28,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:00:28 BoogieIcfgContainer [2021-12-06 18:00:28,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:00:28,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:00:28,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:00:28,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:00:28,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:00:25" (1/3) ... [2021-12-06 18:00:28,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44abe4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:00:28, skipping insertion in model container [2021-12-06 18:00:28,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:00:26" (2/3) ... [2021-12-06 18:00:28,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44abe4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:00:28, skipping insertion in model container [2021-12-06 18:00:28,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:00:28" (3/3) ... [2021-12-06 18:00:28,779 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label32.c [2021-12-06 18:00:28,783 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:00:28,783 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:00:28,819 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:00:28,824 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 18:00:28,824 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:00:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-06 18:00:28,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:28,849 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:28,850 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:28,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:28,854 INFO L85 PathProgramCache]: Analyzing trace with hash 301649817, now seen corresponding path program 1 times [2021-12-06 18:00:28,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:28,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999674580] [2021-12-06 18:00:28,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:28,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:29,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:29,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:29,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999674580] [2021-12-06 18:00:29,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999674580] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:29,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:29,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:00:29,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156679101] [2021-12-06 18:00:29,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:29,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:29,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:29,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:29,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:29,085 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:30,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:30,771 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-12-06 18:00:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:30,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-12-06 18:00:30,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:30,791 INFO L225 Difference]: With dead ends: 1155 [2021-12-06 18:00:30,792 INFO L226 Difference]: Without dead ends: 667 [2021-12-06 18:00:30,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:30,800 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 295 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:30,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 18:00:30,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-12-06 18:00:30,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-12-06 18:00:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-12-06 18:00:30,860 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 49 [2021-12-06 18:00:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:30,860 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-12-06 18:00:30,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-12-06 18:00:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-06 18:00:30,864 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:30,865 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:30,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:00:30,865 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:30,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:30,866 INFO L85 PathProgramCache]: Analyzing trace with hash 449029183, now seen corresponding path program 1 times [2021-12-06 18:00:30,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:30,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388200180] [2021-12-06 18:00:30,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:30,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:30,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:30,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388200180] [2021-12-06 18:00:30,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388200180] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:30,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:30,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:00:30,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452910328] [2021-12-06 18:00:30,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:30,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:30,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:30,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:30,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:30,971 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 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) [2021-12-06 18:00:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:32,747 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2021-12-06 18:00:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:32,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 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 124 [2021-12-06 18:00:32,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:32,753 INFO L225 Difference]: With dead ends: 1955 [2021-12-06 18:00:32,753 INFO L226 Difference]: Without dead ends: 1292 [2021-12-06 18:00:32,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:32,755 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 258 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:32,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 327 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 18:00:32,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2021-12-06 18:00:32,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2021-12-06 18:00:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2021-12-06 18:00:32,783 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 124 [2021-12-06 18:00:32,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:32,784 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2021-12-06 18:00:32,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 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) [2021-12-06 18:00:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2021-12-06 18:00:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-06 18:00:32,786 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:32,786 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:32,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:00:32,787 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:32,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:32,787 INFO L85 PathProgramCache]: Analyzing trace with hash 760398793, now seen corresponding path program 1 times [2021-12-06 18:00:32,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:32,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132943920] [2021-12-06 18:00:32,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:32,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:32,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:32,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132943920] [2021-12-06 18:00:32,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132943920] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:32,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:32,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:00:32,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542108890] [2021-12-06 18:00:32,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:32,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:32,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:32,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:32,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:32,894 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:34,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:34,906 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2021-12-06 18:00:34,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:34,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2021-12-06 18:00:34,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:34,916 INFO L225 Difference]: With dead ends: 3764 [2021-12-06 18:00:34,916 INFO L226 Difference]: Without dead ends: 2484 [2021-12-06 18:00:34,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:34,918 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:34,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 18:00:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-12-06 18:00:34,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2021-12-06 18:00:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2021-12-06 18:00:34,953 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 128 [2021-12-06 18:00:34,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:34,954 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2021-12-06 18:00:34,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2021-12-06 18:00:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-06 18:00:34,957 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:34,957 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:34,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:00:34,957 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:34,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1127115852, now seen corresponding path program 1 times [2021-12-06 18:00:34,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:34,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381514799] [2021-12-06 18:00:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:34,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-06 18:00:35,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:35,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381514799] [2021-12-06 18:00:35,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381514799] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:35,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:35,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:00:35,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958748299] [2021-12-06 18:00:35,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:35,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:35,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:35,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:35,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:35,051 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 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) [2021-12-06 18:00:36,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:36,183 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2021-12-06 18:00:36,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:36,184 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 219 [2021-12-06 18:00:36,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:36,199 INFO L225 Difference]: With dead ends: 6166 [2021-12-06 18:00:36,199 INFO L226 Difference]: Without dead ends: 3986 [2021-12-06 18:00:36,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:36,203 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:36,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 18:00:36,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-12-06 18:00:36,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2021-12-06 18:00:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2021-12-06 18:00:36,259 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 219 [2021-12-06 18:00:36,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:36,259 INFO L470 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2021-12-06 18:00:36,260 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) [2021-12-06 18:00:36,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2021-12-06 18:00:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-12-06 18:00:36,263 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:36,264 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:36,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:00:36,264 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:36,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:36,264 INFO L85 PathProgramCache]: Analyzing trace with hash 172169868, now seen corresponding path program 1 times [2021-12-06 18:00:36,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:36,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99123749] [2021-12-06 18:00:36,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:36,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-06 18:00:36,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:36,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99123749] [2021-12-06 18:00:36,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99123749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:36,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:36,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:00:36,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330578437] [2021-12-06 18:00:36,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:36,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:36,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:36,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:36,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:36,407 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:37,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:37,907 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2021-12-06 18:00:37,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:37,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 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 321 [2021-12-06 18:00:37,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:37,921 INFO L225 Difference]: With dead ends: 7661 [2021-12-06 18:00:37,921 INFO L226 Difference]: Without dead ends: 3981 [2021-12-06 18:00:37,924 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:37,924 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:37,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 18:00:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-12-06 18:00:37,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2021-12-06 18:00:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:37,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2021-12-06 18:00:37,995 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 321 [2021-12-06 18:00:37,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:37,996 INFO L470 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2021-12-06 18:00:37,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2021-12-06 18:00:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-06 18:00:38,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:38,004 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:38,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:00:38,004 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1380021629, now seen corresponding path program 1 times [2021-12-06 18:00:38,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:38,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958758554] [2021-12-06 18:00:38,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:38,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-06 18:00:38,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:38,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958758554] [2021-12-06 18:00:38,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958758554] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:38,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:38,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:00:38,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238807251] [2021-12-06 18:00:38,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:38,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:38,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:38,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:38,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:38,135 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:39,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:39,590 INFO L93 Difference]: Finished difference Result 9465 states and 11674 transitions. [2021-12-06 18:00:39,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:39,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 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 336 [2021-12-06 18:00:39,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:39,609 INFO L225 Difference]: With dead ends: 9465 [2021-12-06 18:00:39,610 INFO L226 Difference]: Without dead ends: 5785 [2021-12-06 18:00:39,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:39,613 INFO L933 BasicCegarLoop]: 632 mSDtfsCounter, 267 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:39,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 671 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 18:00:39,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2021-12-06 18:00:39,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2021-12-06 18:00:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1675890695261155) internal successors, (6751), 5782 states have internal predecessors, (6751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:39,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6751 transitions. [2021-12-06 18:00:39,683 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6751 transitions. Word has length 336 [2021-12-06 18:00:39,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:39,683 INFO L470 AbstractCegarLoop]: Abstraction has 5783 states and 6751 transitions. [2021-12-06 18:00:39,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6751 transitions. [2021-12-06 18:00:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-12-06 18:00:39,686 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:39,687 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:39,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 18:00:39,687 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:39,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:39,687 INFO L85 PathProgramCache]: Analyzing trace with hash 591064250, now seen corresponding path program 1 times [2021-12-06 18:00:39,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:39,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286094646] [2021-12-06 18:00:39,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:39,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 93 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:39,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:39,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286094646] [2021-12-06 18:00:39,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286094646] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:00:39,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407721761] [2021-12-06 18:00:39,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:39,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:00:39,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:00:39,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:00:39,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 18:00:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:40,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:00:40,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:00:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:40,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:00:40,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407721761] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:40,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 18:00:40,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 18:00:40,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168473420] [2021-12-06 18:00:40,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:40,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:40,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:40,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:40,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:00:40,500 INFO L87 Difference]: Start difference. First operand 5783 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:41,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:41,725 INFO L93 Difference]: Finished difference Result 13366 states and 15917 transitions. [2021-12-06 18:00:41,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:41,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 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 395 [2021-12-06 18:00:41,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:41,751 INFO L225 Difference]: With dead ends: 13366 [2021-12-06 18:00:41,751 INFO L226 Difference]: Without dead ends: 7884 [2021-12-06 18:00:41,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:00:41,755 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 274 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:41,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 263 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 18:00:41,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7884 states. [2021-12-06 18:00:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7884 to 7281. [2021-12-06 18:00:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7281 states, 7280 states have (on average 1.1616758241758243) internal successors, (8457), 7280 states have internal predecessors, (8457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7281 states to 7281 states and 8457 transitions. [2021-12-06 18:00:41,833 INFO L78 Accepts]: Start accepts. Automaton has 7281 states and 8457 transitions. Word has length 395 [2021-12-06 18:00:41,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:41,833 INFO L470 AbstractCegarLoop]: Abstraction has 7281 states and 8457 transitions. [2021-12-06 18:00:41,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7281 states and 8457 transitions. [2021-12-06 18:00:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-12-06 18:00:41,837 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:41,837 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:41,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:00:42,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 18:00:42,040 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:42,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:42,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1995258059, now seen corresponding path program 1 times [2021-12-06 18:00:42,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:42,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685803102] [2021-12-06 18:00:42,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:42,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-12-06 18:00:42,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:42,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685803102] [2021-12-06 18:00:42,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685803102] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:42,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:42,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:00:42,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154274945] [2021-12-06 18:00:42,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:42,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:42,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:42,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:42,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:42,223 INFO L87 Difference]: Start difference. First operand 7281 states and 8457 transitions. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:43,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:43,691 INFO L93 Difference]: Finished difference Result 16059 states and 18985 transitions. [2021-12-06 18:00:43,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:43,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 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 500 [2021-12-06 18:00:43,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:43,712 INFO L225 Difference]: With dead ends: 16059 [2021-12-06 18:00:43,712 INFO L226 Difference]: Without dead ends: 9079 [2021-12-06 18:00:43,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:43,718 INFO L933 BasicCegarLoop]: 571 mSDtfsCounter, 282 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:43,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 611 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 18:00:43,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9079 states. [2021-12-06 18:00:43,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9079 to 9078. [2021-12-06 18:00:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9078 states, 9077 states have (on average 1.1453123278616284) internal successors, (10396), 9077 states have internal predecessors, (10396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9078 states to 9078 states and 10396 transitions. [2021-12-06 18:00:43,816 INFO L78 Accepts]: Start accepts. Automaton has 9078 states and 10396 transitions. Word has length 500 [2021-12-06 18:00:43,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:43,816 INFO L470 AbstractCegarLoop]: Abstraction has 9078 states and 10396 transitions. [2021-12-06 18:00:43,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 9078 states and 10396 transitions. [2021-12-06 18:00:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2021-12-06 18:00:43,821 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:43,821 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:43,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 18:00:43,822 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:43,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:43,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1513408573, now seen corresponding path program 1 times [2021-12-06 18:00:43,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:43,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387081479] [2021-12-06 18:00:43,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:43,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:43,981 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2021-12-06 18:00:43,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:43,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387081479] [2021-12-06 18:00:43,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387081479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:43,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:43,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:00:43,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908994127] [2021-12-06 18:00:43,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:43,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:43,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:43,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:43,985 INFO L87 Difference]: Start difference. First operand 9078 states and 10396 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:45,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:45,702 INFO L93 Difference]: Finished difference Result 20240 states and 23484 transitions. [2021-12-06 18:00:45,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:45,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 523 [2021-12-06 18:00:45,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:45,718 INFO L225 Difference]: With dead ends: 20240 [2021-12-06 18:00:45,718 INFO L226 Difference]: Without dead ends: 11463 [2021-12-06 18:00:45,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:45,725 INFO L933 BasicCegarLoop]: 238 mSDtfsCounter, 287 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:45,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 273 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 18:00:45,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11463 states. [2021-12-06 18:00:45,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11463 to 8170. [2021-12-06 18:00:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8170 states, 8169 states have (on average 1.1724813318643652) internal successors, (9578), 8169 states have internal predecessors, (9578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8170 states to 8170 states and 9578 transitions. [2021-12-06 18:00:45,809 INFO L78 Accepts]: Start accepts. Automaton has 8170 states and 9578 transitions. Word has length 523 [2021-12-06 18:00:45,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:45,810 INFO L470 AbstractCegarLoop]: Abstraction has 8170 states and 9578 transitions. [2021-12-06 18:00:45,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 8170 states and 9578 transitions. [2021-12-06 18:00:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2021-12-06 18:00:45,815 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:45,815 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:45,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 18:00:45,815 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:45,816 INFO L85 PathProgramCache]: Analyzing trace with hash 737054137, now seen corresponding path program 1 times [2021-12-06 18:00:45,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:45,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893804262] [2021-12-06 18:00:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:45,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 549 proven. 39 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-06 18:00:45,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:45,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893804262] [2021-12-06 18:00:45,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893804262] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:00:45,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466209644] [2021-12-06 18:00:45,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:45,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:00:45,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:00:45,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:00:45,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 18:00:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:46,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 18:00:46,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:00:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 549 proven. 39 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-06 18:00:46,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:00:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 549 proven. 39 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-06 18:00:47,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466209644] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:00:47,732 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:00:47,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-06 18:00:47,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46915890] [2021-12-06 18:00:47,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:00:47,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 18:00:47,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:47,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 18:00:47,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:00:47,734 INFO L87 Difference]: Start difference. First operand 8170 states and 9578 transitions. Second operand has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:52,791 INFO L93 Difference]: Finished difference Result 23775 states and 27447 transitions. [2021-12-06 18:00:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 18:00:52,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 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 576 [2021-12-06 18:00:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:52,803 INFO L225 Difference]: With dead ends: 23775 [2021-12-06 18:00:52,804 INFO L226 Difference]: Without dead ends: 11460 [2021-12-06 18:00:52,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1161 GetRequests, 1147 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:00:52,811 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 3105 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 5024 mSolverCounterSat, 728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3105 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 5752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 5024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:52,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3105 Valid, 243 Invalid, 5752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [728 Valid, 5024 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-06 18:00:52,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11460 states. [2021-12-06 18:00:52,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11460 to 10859. [2021-12-06 18:00:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10859 states, 10858 states have (on average 1.0684288082519802) internal successors, (11601), 10858 states have internal predecessors, (11601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10859 states to 10859 states and 11601 transitions. [2021-12-06 18:00:52,903 INFO L78 Accepts]: Start accepts. Automaton has 10859 states and 11601 transitions. Word has length 576 [2021-12-06 18:00:52,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:52,903 INFO L470 AbstractCegarLoop]: Abstraction has 10859 states and 11601 transitions. [2021-12-06 18:00:52,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:52,903 INFO L276 IsEmpty]: Start isEmpty. Operand 10859 states and 11601 transitions. [2021-12-06 18:00:52,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2021-12-06 18:00:52,907 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:52,907 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:52,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 18:00:53,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:00:53,108 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:53,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:53,109 INFO L85 PathProgramCache]: Analyzing trace with hash 766630606, now seen corresponding path program 1 times [2021-12-06 18:00:53,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:53,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269263246] [2021-12-06 18:00:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:53,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-06 18:00:53,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:53,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269263246] [2021-12-06 18:00:53,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269263246] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:53,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:53,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:00:53,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553682580] [2021-12-06 18:00:53,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:53,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:53,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:53,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:53,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:53,330 INFO L87 Difference]: Start difference. First operand 10859 states and 11601 transitions. Second operand has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:54,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:54,298 INFO L93 Difference]: Finished difference Result 25005 states and 26779 transitions. [2021-12-06 18:00:54,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:54,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 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 576 [2021-12-06 18:00:54,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:54,314 INFO L225 Difference]: With dead ends: 25005 [2021-12-06 18:00:54,314 INFO L226 Difference]: Without dead ends: 14447 [2021-12-06 18:00:54,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:54,322 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 200 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:54,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 160 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 18:00:54,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14447 states. [2021-12-06 18:00:54,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14447 to 13251. [2021-12-06 18:00:54,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13251 states, 13250 states have (on average 1.0698867924528301) internal successors, (14176), 13250 states have internal predecessors, (14176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:54,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13251 states to 13251 states and 14176 transitions. [2021-12-06 18:00:54,452 INFO L78 Accepts]: Start accepts. Automaton has 13251 states and 14176 transitions. Word has length 576 [2021-12-06 18:00:54,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:54,452 INFO L470 AbstractCegarLoop]: Abstraction has 13251 states and 14176 transitions. [2021-12-06 18:00:54,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 13251 states and 14176 transitions. [2021-12-06 18:00:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2021-12-06 18:00:54,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:54,456 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:54,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 18:00:54,457 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:54,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:54,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1687499565, now seen corresponding path program 1 times [2021-12-06 18:00:54,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:54,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339329942] [2021-12-06 18:00:54,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:54,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-12-06 18:00:54,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:54,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339329942] [2021-12-06 18:00:54,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339329942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:54,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:54,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:00:54,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182647180] [2021-12-06 18:00:54,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:54,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:54,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:54,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:54,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:54,638 INFO L87 Difference]: Start difference. First operand 13251 states and 14176 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:55,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:55,462 INFO L93 Difference]: Finished difference Result 28591 states and 30652 transitions. [2021-12-06 18:00:55,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:55,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 584 [2021-12-06 18:00:55,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:55,475 INFO L225 Difference]: With dead ends: 28591 [2021-12-06 18:00:55,476 INFO L226 Difference]: Without dead ends: 15342 [2021-12-06 18:00:55,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:55,484 INFO L933 BasicCegarLoop]: 490 mSDtfsCounter, 268 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:55,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 529 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 18:00:55,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15342 states. [2021-12-06 18:00:55,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15342 to 15043. [2021-12-06 18:00:55,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15043 states, 15042 states have (on average 1.0613615210743252) internal successors, (15965), 15042 states have internal predecessors, (15965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15043 states to 15043 states and 15965 transitions. [2021-12-06 18:00:55,628 INFO L78 Accepts]: Start accepts. Automaton has 15043 states and 15965 transitions. Word has length 584 [2021-12-06 18:00:55,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:55,629 INFO L470 AbstractCegarLoop]: Abstraction has 15043 states and 15965 transitions. [2021-12-06 18:00:55,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 15043 states and 15965 transitions. [2021-12-06 18:00:55,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2021-12-06 18:00:55,634 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:55,635 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:55,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 18:00:55,635 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:55,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:55,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1450712014, now seen corresponding path program 1 times [2021-12-06 18:00:55,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:55,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646781948] [2021-12-06 18:00:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:55,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2021-12-06 18:00:55,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:55,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646781948] [2021-12-06 18:00:55,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646781948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:55,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:55,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:00:55,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297745794] [2021-12-06 18:00:55,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:55,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:55,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:55,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:55,833 INFO L87 Difference]: Start difference. First operand 15043 states and 15965 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:56,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:56,904 INFO L93 Difference]: Finished difference Result 35185 states and 37431 transitions. [2021-12-06 18:00:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:56,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 587 [2021-12-06 18:00:56,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:56,927 INFO L225 Difference]: With dead ends: 35185 [2021-12-06 18:00:56,927 INFO L226 Difference]: Without dead ends: 20144 [2021-12-06 18:00:56,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:00:56,932 INFO L933 BasicCegarLoop]: 476 mSDtfsCounter, 278 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:56,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [278 Valid, 510 Invalid, 940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 18:00:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20144 states. [2021-12-06 18:00:57,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20144 to 19232. [2021-12-06 18:00:57,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19232 states, 19231 states have (on average 1.060007279912641) internal successors, (20385), 19231 states have internal predecessors, (20385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:57,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19232 states to 19232 states and 20385 transitions. [2021-12-06 18:00:57,102 INFO L78 Accepts]: Start accepts. Automaton has 19232 states and 20385 transitions. Word has length 587 [2021-12-06 18:00:57,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:57,102 INFO L470 AbstractCegarLoop]: Abstraction has 19232 states and 20385 transitions. [2021-12-06 18:00:57,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 19232 states and 20385 transitions. [2021-12-06 18:00:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2021-12-06 18:00:57,108 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:57,109 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:57,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 18:00:57,109 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:57,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:57,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1082506167, now seen corresponding path program 1 times [2021-12-06 18:00:57,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:57,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008498288] [2021-12-06 18:00:57,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:57,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 93 proven. 269 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:57,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:57,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008498288] [2021-12-06 18:00:57,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008498288] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:00:57,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868576332] [2021-12-06 18:00:57,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:57,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:00:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:00:57,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:00:57,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 18:00:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:57,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 18:00:57,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:00:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:00:57,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:00:57,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868576332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:57,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 18:00:57,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 18:00:57,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011245263] [2021-12-06 18:00:57,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:57,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:00:57,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:57,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:00:57,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:00:57,937 INFO L87 Difference]: Start difference. First operand 19232 states and 20385 transitions. Second operand has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:58,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:00:58,656 INFO L93 Difference]: Finished difference Result 37863 states and 40127 transitions. [2021-12-06 18:00:58,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:00:58,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 0 states have call successors, (0), 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 594 [2021-12-06 18:00:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:00:58,670 INFO L225 Difference]: With dead ends: 37863 [2021-12-06 18:00:58,670 INFO L226 Difference]: Without dead ends: 18932 [2021-12-06 18:00:58,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:00:58,678 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 105 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:00:58,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 397 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 18:00:58,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18932 states. [2021-12-06 18:00:58,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18932 to 18927. [2021-12-06 18:00:58,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18927 states, 18926 states have (on average 1.051357920321251) internal successors, (19898), 18926 states have internal predecessors, (19898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18927 states to 18927 states and 19898 transitions. [2021-12-06 18:00:58,873 INFO L78 Accepts]: Start accepts. Automaton has 18927 states and 19898 transitions. Word has length 594 [2021-12-06 18:00:58,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:00:58,874 INFO L470 AbstractCegarLoop]: Abstraction has 18927 states and 19898 transitions. [2021-12-06 18:00:58,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:00:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 18927 states and 19898 transitions. [2021-12-06 18:00:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 671 [2021-12-06 18:00:58,883 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:00:58,884 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:00:58,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 18:00:59,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:00:59,086 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:00:59,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:00:59,088 INFO L85 PathProgramCache]: Analyzing trace with hash -595355950, now seen corresponding path program 1 times [2021-12-06 18:00:59,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:00:59,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954358402] [2021-12-06 18:00:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:00:59,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:00:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:00:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-12-06 18:00:59,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:00:59,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954358402] [2021-12-06 18:00:59,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954358402] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:00:59,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:00:59,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:00:59,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602097441] [2021-12-06 18:00:59,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:00:59,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:00:59,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:00:59,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:00:59,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:00:59,322 INFO L87 Difference]: Start difference. First operand 18927 states and 19898 transitions. Second operand has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:00,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:00,645 INFO L93 Difference]: Finished difference Result 40549 states and 42612 transitions. [2021-12-06 18:01:00,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:01:00,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 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 670 [2021-12-06 18:01:00,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:00,660 INFO L225 Difference]: With dead ends: 40549 [2021-12-06 18:01:00,661 INFO L226 Difference]: Without dead ends: 21923 [2021-12-06 18:01:00,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:00,670 INFO L933 BasicCegarLoop]: 389 mSDtfsCounter, 584 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1728 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 1886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:00,670 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [584 Valid, 435 Invalid, 1886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 18:01:00,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21923 states. [2021-12-06 18:01:00,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21923 to 21323. [2021-12-06 18:01:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21323 states, 21322 states have (on average 1.0417409248663352) internal successors, (22212), 21322 states have internal predecessors, (22212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21323 states to 21323 states and 22212 transitions. [2021-12-06 18:01:00,849 INFO L78 Accepts]: Start accepts. Automaton has 21323 states and 22212 transitions. Word has length 670 [2021-12-06 18:01:00,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:00,850 INFO L470 AbstractCegarLoop]: Abstraction has 21323 states and 22212 transitions. [2021-12-06 18:01:00,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 21323 states and 22212 transitions. [2021-12-06 18:01:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 696 [2021-12-06 18:01:00,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:00,859 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:00,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 18:01:00,859 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:00,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:00,859 INFO L85 PathProgramCache]: Analyzing trace with hash -682004269, now seen corresponding path program 1 times [2021-12-06 18:01:00,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:00,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797981219] [2021-12-06 18:01:00,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:00,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 465 proven. 188 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-06 18:01:01,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:01,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797981219] [2021-12-06 18:01:01,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797981219] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:01:01,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832062091] [2021-12-06 18:01:01,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:01,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:01:01,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:01:01,130 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:01:01,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 18:01:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:01,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:01:01,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 465 proven. 170 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-12-06 18:01:02,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:01:02,606 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2021-12-06 18:01:02,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832062091] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 18:01:02,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 18:01:02,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 5] total 9 [2021-12-06 18:01:02,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276307971] [2021-12-06 18:01:02,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:02,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:02,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:02,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:02,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:01:02,609 INFO L87 Difference]: Start difference. First operand 21323 states and 22212 transitions. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:03,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:03,521 INFO L93 Difference]: Finished difference Result 46238 states and 48210 transitions. [2021-12-06 18:01:03,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:03,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 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 695 [2021-12-06 18:01:03,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:03,538 INFO L225 Difference]: With dead ends: 46238 [2021-12-06 18:01:03,539 INFO L226 Difference]: Without dead ends: 24917 [2021-12-06 18:01:03,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1392 GetRequests, 1385 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-06 18:01:03,547 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 293 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:03,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 440 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 18:01:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24917 states. [2021-12-06 18:01:03,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24917 to 20420. [2021-12-06 18:01:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20420 states, 20419 states have (on average 1.0395220138106664) internal successors, (21226), 20419 states have internal predecessors, (21226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20420 states to 20420 states and 21226 transitions. [2021-12-06 18:01:03,722 INFO L78 Accepts]: Start accepts. Automaton has 20420 states and 21226 transitions. Word has length 695 [2021-12-06 18:01:03,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:03,722 INFO L470 AbstractCegarLoop]: Abstraction has 20420 states and 21226 transitions. [2021-12-06 18:01:03,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 20420 states and 21226 transitions. [2021-12-06 18:01:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2021-12-06 18:01:03,730 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:03,731 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:03,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 18:01:03,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-06 18:01:03,933 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:03,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:03,935 INFO L85 PathProgramCache]: Analyzing trace with hash 928252187, now seen corresponding path program 1 times [2021-12-06 18:01:03,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:03,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813859446] [2021-12-06 18:01:03,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:03,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 18:01:04,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:04,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813859446] [2021-12-06 18:01:04,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813859446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:04,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:04,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:01:04,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437501930] [2021-12-06 18:01:04,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:04,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:04,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:04,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:04,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:04,128 INFO L87 Difference]: Start difference. First operand 20420 states and 21226 transitions. Second operand has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:04,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:04,916 INFO L93 Difference]: Finished difference Result 40539 states and 42149 transitions. [2021-12-06 18:01:04,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:04,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 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 709 [2021-12-06 18:01:04,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:04,930 INFO L225 Difference]: With dead ends: 40539 [2021-12-06 18:01:04,930 INFO L226 Difference]: Without dead ends: 20420 [2021-12-06 18:01:04,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:04,937 INFO L933 BasicCegarLoop]: 470 mSDtfsCounter, 239 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:04,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 503 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 18:01:04,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20420 states. [2021-12-06 18:01:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20420 to 20121. [2021-12-06 18:01:05,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20121 states, 20120 states have (on average 1.026093439363817) internal successors, (20645), 20120 states have internal predecessors, (20645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20121 states to 20121 states and 20645 transitions. [2021-12-06 18:01:05,095 INFO L78 Accepts]: Start accepts. Automaton has 20121 states and 20645 transitions. Word has length 709 [2021-12-06 18:01:05,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:05,095 INFO L470 AbstractCegarLoop]: Abstraction has 20121 states and 20645 transitions. [2021-12-06 18:01:05,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 20121 states and 20645 transitions. [2021-12-06 18:01:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2021-12-06 18:01:05,102 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:05,103 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:05,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 18:01:05,103 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:05,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:05,103 INFO L85 PathProgramCache]: Analyzing trace with hash -273853800, now seen corresponding path program 1 times [2021-12-06 18:01:05,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:05,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048774173] [2021-12-06 18:01:05,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:05,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:05,271 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-12-06 18:01:05,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:05,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048774173] [2021-12-06 18:01:05,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048774173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:05,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:05,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:01:05,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795930462] [2021-12-06 18:01:05,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:05,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:05,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:05,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:05,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:05,274 INFO L87 Difference]: Start difference. First operand 20121 states and 20645 transitions. Second operand has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:06,124 INFO L93 Difference]: Finished difference Result 45337 states and 46532 transitions. [2021-12-06 18:01:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:06,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 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 710 [2021-12-06 18:01:06,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:06,140 INFO L225 Difference]: With dead ends: 45337 [2021-12-06 18:01:06,140 INFO L226 Difference]: Without dead ends: 25517 [2021-12-06 18:01:06,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:06,146 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 346 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:06,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 126 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 18:01:06,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25517 states. [2021-12-06 18:01:06,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25517 to 21614. [2021-12-06 18:01:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21614 states, 21613 states have (on average 1.0254013787997964) internal successors, (22162), 21613 states have internal predecessors, (22162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21614 states to 21614 states and 22162 transitions. [2021-12-06 18:01:06,333 INFO L78 Accepts]: Start accepts. Automaton has 21614 states and 22162 transitions. Word has length 710 [2021-12-06 18:01:06,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:06,334 INFO L470 AbstractCegarLoop]: Abstraction has 21614 states and 22162 transitions. [2021-12-06 18:01:06,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:06,334 INFO L276 IsEmpty]: Start isEmpty. Operand 21614 states and 22162 transitions. [2021-12-06 18:01:06,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2021-12-06 18:01:06,342 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:06,343 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:06,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 18:01:06,343 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:06,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:06,343 INFO L85 PathProgramCache]: Analyzing trace with hash 314643271, now seen corresponding path program 1 times [2021-12-06 18:01:06,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:06,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312888817] [2021-12-06 18:01:06,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:06,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 551 proven. 188 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-12-06 18:01:06,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:06,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312888817] [2021-12-06 18:01:06,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312888817] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:01:06,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340220867] [2021-12-06 18:01:06,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:06,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:01:06,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:01:06,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:01:06,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 18:01:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:06,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 18:01:06,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:07,682 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 566 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-12-06 18:01:07,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 18:01:07,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340220867] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:07,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 18:01:07,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2021-12-06 18:01:07,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168903675] [2021-12-06 18:01:07,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:07,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:01:07,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:07,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:01:07,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:01:07,685 INFO L87 Difference]: Start difference. First operand 21614 states and 22162 transitions. Second operand has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:08,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:08,809 INFO L93 Difference]: Finished difference Result 26114 states and 26741 transitions. [2021-12-06 18:01:08,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:01:08,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 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 740 [2021-12-06 18:01:08,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:08,827 INFO L225 Difference]: With dead ends: 26114 [2021-12-06 18:01:08,827 INFO L226 Difference]: Without dead ends: 26112 [2021-12-06 18:01:08,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:01:08,833 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 493 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 977 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:08,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 144 Invalid, 1874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 771 Invalid, 0 Unknown, 977 Unchecked, 1.0s Time] [2021-12-06 18:01:08,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26112 states. [2021-12-06 18:01:09,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26112 to 23715. [2021-12-06 18:01:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23715 states, 23714 states have (on average 1.0247533102808468) internal successors, (24301), 23714 states have internal predecessors, (24301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23715 states to 23715 states and 24301 transitions. [2021-12-06 18:01:09,045 INFO L78 Accepts]: Start accepts. Automaton has 23715 states and 24301 transitions. Word has length 740 [2021-12-06 18:01:09,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:09,045 INFO L470 AbstractCegarLoop]: Abstraction has 23715 states and 24301 transitions. [2021-12-06 18:01:09,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.5) internal successors, (474), 4 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 23715 states and 24301 transitions. [2021-12-06 18:01:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796 [2021-12-06 18:01:09,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:09,058 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:09,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 18:01:09,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:01:09,260 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:09,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:09,262 INFO L85 PathProgramCache]: Analyzing trace with hash -777087747, now seen corresponding path program 1 times [2021-12-06 18:01:09,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:09,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923613459] [2021-12-06 18:01:09,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:09,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 503 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2021-12-06 18:01:09,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:09,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923613459] [2021-12-06 18:01:09,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923613459] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:09,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:09,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:01:09,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837389777] [2021-12-06 18:01:09,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:09,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:09,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:09,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:09,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:09,495 INFO L87 Difference]: Start difference. First operand 23715 states and 24301 transitions. Second operand has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:10,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:10,345 INFO L93 Difference]: Finished difference Result 51624 states and 52905 transitions. [2021-12-06 18:01:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:10,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 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 795 [2021-12-06 18:01:10,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:10,392 INFO L225 Difference]: With dead ends: 51624 [2021-12-06 18:01:10,392 INFO L226 Difference]: Without dead ends: 28210 [2021-12-06 18:01:10,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:10,400 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 220 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:10,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 469 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 18:01:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28210 states. [2021-12-06 18:01:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28210 to 22816. [2021-12-06 18:01:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22816 states, 22815 states have (on average 1.0248082401928555) internal successors, (23381), 22815 states have internal predecessors, (23381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22816 states to 22816 states and 23381 transitions. [2021-12-06 18:01:10,599 INFO L78 Accepts]: Start accepts. Automaton has 22816 states and 23381 transitions. Word has length 795 [2021-12-06 18:01:10,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:10,600 INFO L470 AbstractCegarLoop]: Abstraction has 22816 states and 23381 transitions. [2021-12-06 18:01:10,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 22816 states and 23381 transitions. [2021-12-06 18:01:10,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 798 [2021-12-06 18:01:10,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:10,608 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:10,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 18:01:10,608 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:10,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:10,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1723359335, now seen corresponding path program 1 times [2021-12-06 18:01:10,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:10,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958883980] [2021-12-06 18:01:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:10,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 634 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2021-12-06 18:01:10,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:10,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958883980] [2021-12-06 18:01:10,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958883980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:10,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:10,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:01:10,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795370516] [2021-12-06 18:01:10,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:10,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:10,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:10,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:10,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:10,817 INFO L87 Difference]: Start difference. First operand 22816 states and 23381 transitions. Second operand has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:11,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:11,588 INFO L93 Difference]: Finished difference Result 45928 states and 47068 transitions. [2021-12-06 18:01:11,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:11,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 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 797 [2021-12-06 18:01:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:11,603 INFO L225 Difference]: With dead ends: 45928 [2021-12-06 18:01:11,603 INFO L226 Difference]: Without dead ends: 23413 [2021-12-06 18:01:11,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:11,612 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 221 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:11,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [221 Valid, 460 Invalid, 815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 18:01:11,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23413 states. [2021-12-06 18:01:11,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23413 to 20120. [2021-12-06 18:01:11,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20120 states, 20119 states have (on average 1.0240071574133904) internal successors, (20602), 20119 states have internal predecessors, (20602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20120 states to 20120 states and 20602 transitions. [2021-12-06 18:01:11,792 INFO L78 Accepts]: Start accepts. Automaton has 20120 states and 20602 transitions. Word has length 797 [2021-12-06 18:01:11,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:11,793 INFO L470 AbstractCegarLoop]: Abstraction has 20120 states and 20602 transitions. [2021-12-06 18:01:11,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 20120 states and 20602 transitions. [2021-12-06 18:01:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2021-12-06 18:01:11,806 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:11,807 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:11,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 18:01:11,807 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:11,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:11,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1708390119, now seen corresponding path program 1 times [2021-12-06 18:01:11,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:11,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643203132] [2021-12-06 18:01:11,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:11,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1605 backedges. 1003 proven. 0 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2021-12-06 18:01:12,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:12,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643203132] [2021-12-06 18:01:12,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643203132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:12,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:12,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:01:12,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649536660] [2021-12-06 18:01:12,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:12,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:01:12,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:12,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:01:12,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:12,080 INFO L87 Difference]: Start difference. First operand 20120 states and 20602 transitions. Second operand has 4 states, 4 states have (on average 119.25) internal successors, (477), 4 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:13,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:13,335 INFO L93 Difference]: Finished difference Result 45336 states and 46393 transitions. [2021-12-06 18:01:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:01:13,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 119.25) internal successors, (477), 4 states have internal predecessors, (477), 0 states have call successors, (0), 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 957 [2021-12-06 18:01:13,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:13,352 INFO L225 Difference]: With dead ends: 45336 [2021-12-06 18:01:13,352 INFO L226 Difference]: Without dead ends: 25517 [2021-12-06 18:01:13,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:13,362 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 500 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:13,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [500 Valid, 124 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 1530 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 18:01:13,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25517 states. [2021-12-06 18:01:13,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25517 to 19821. [2021-12-06 18:01:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19821 states, 19820 states have (on average 1.0237134207870837) internal successors, (20290), 19820 states have internal predecessors, (20290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:13,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19821 states to 19821 states and 20290 transitions. [2021-12-06 18:01:13,544 INFO L78 Accepts]: Start accepts. Automaton has 19821 states and 20290 transitions. Word has length 957 [2021-12-06 18:01:13,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:13,545 INFO L470 AbstractCegarLoop]: Abstraction has 19821 states and 20290 transitions. [2021-12-06 18:01:13,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.25) internal successors, (477), 4 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:13,545 INFO L276 IsEmpty]: Start isEmpty. Operand 19821 states and 20290 transitions. [2021-12-06 18:01:13,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1044 [2021-12-06 18:01:13,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:13,556 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:13,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 18:01:13,556 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:13,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1095696722, now seen corresponding path program 1 times [2021-12-06 18:01:13,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:13,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109136892] [2021-12-06 18:01:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:13,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 833 proven. 0 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2021-12-06 18:01:13,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:13,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109136892] [2021-12-06 18:01:13,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109136892] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:13,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:13,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:01:13,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090640285] [2021-12-06 18:01:13,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:13,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:13,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:13,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:13,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:13,833 INFO L87 Difference]: Start difference. First operand 19821 states and 20290 transitions. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:14,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:14,726 INFO L93 Difference]: Finished difference Result 43839 states and 44862 transitions. [2021-12-06 18:01:14,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:14,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 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 1043 [2021-12-06 18:01:14,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:14,742 INFO L225 Difference]: With dead ends: 43839 [2021-12-06 18:01:14,742 INFO L226 Difference]: Without dead ends: 24319 [2021-12-06 18:01:14,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:14,751 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 177 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:14,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 482 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 18:01:14,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24319 states. [2021-12-06 18:01:14,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24319 to 22214. [2021-12-06 18:01:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22214 states, 22213 states have (on average 1.0220141358663846) internal successors, (22702), 22213 states have internal predecessors, (22702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22214 states to 22214 states and 22702 transitions. [2021-12-06 18:01:14,953 INFO L78 Accepts]: Start accepts. Automaton has 22214 states and 22702 transitions. Word has length 1043 [2021-12-06 18:01:14,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:14,954 INFO L470 AbstractCegarLoop]: Abstraction has 22214 states and 22702 transitions. [2021-12-06 18:01:14,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22214 states and 22702 transitions. [2021-12-06 18:01:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1128 [2021-12-06 18:01:14,967 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:14,967 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:14,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 18:01:14,967 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:14,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:14,968 INFO L85 PathProgramCache]: Analyzing trace with hash -690998195, now seen corresponding path program 1 times [2021-12-06 18:01:14,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:14,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619378230] [2021-12-06 18:01:14,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:14,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 94 proven. 1121 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-12-06 18:01:15,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:15,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619378230] [2021-12-06 18:01:15,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619378230] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:01:15,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339576370] [2021-12-06 18:01:15,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:15,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:01:15,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:01:15,300 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:01:15,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 18:01:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:15,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:01:15,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 94 proven. 1121 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-12-06 18:01:18,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:01:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2394 backedges. 94 proven. 1121 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-12-06 18:01:20,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339576370] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:01:20,811 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:01:20,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2021-12-06 18:01:20,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109183200] [2021-12-06 18:01:20,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:01:20,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 18:01:20,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:20,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 18:01:20,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 18:01:20,814 INFO L87 Difference]: Start difference. First operand 22214 states and 22702 transitions. Second operand has 10 states, 10 states have (on average 114.6) internal successors, (1146), 9 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:23,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:23,445 INFO L93 Difference]: Finished difference Result 31856 states and 32553 transitions. [2021-12-06 18:01:23,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 18:01:23,446 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 114.6) internal successors, (1146), 9 states have internal predecessors, (1146), 0 states have call successors, (0), 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 1127 [2021-12-06 18:01:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:23,467 INFO L225 Difference]: With dead ends: 31856 [2021-12-06 18:01:23,467 INFO L226 Difference]: Without dead ends: 31854 [2021-12-06 18:01:23,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2264 GetRequests, 2250 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-12-06 18:01:23,473 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 865 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 1498 mSolverCounterSat, 444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 2722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 444 IncrementalHoareTripleChecker+Valid, 1498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 780 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:23,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [865 Valid, 196 Invalid, 2722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [444 Valid, 1498 Invalid, 0 Unknown, 780 Unchecked, 2.4s Time] [2021-12-06 18:01:23,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31854 states. [2021-12-06 18:01:23,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31854 to 23164. [2021-12-06 18:01:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23164 states, 23163 states have (on average 1.0218020118292104) internal successors, (23668), 23163 states have internal predecessors, (23668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23164 states to 23164 states and 23668 transitions. [2021-12-06 18:01:23,711 INFO L78 Accepts]: Start accepts. Automaton has 23164 states and 23668 transitions. Word has length 1127 [2021-12-06 18:01:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:23,712 INFO L470 AbstractCegarLoop]: Abstraction has 23164 states and 23668 transitions. [2021-12-06 18:01:23,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 114.6) internal successors, (1146), 9 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 23164 states and 23668 transitions. [2021-12-06 18:01:23,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2021-12-06 18:01:23,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:23,726 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:23,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 18:01:23,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-12-06 18:01:23,929 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:23,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:23,930 INFO L85 PathProgramCache]: Analyzing trace with hash -183402330, now seen corresponding path program 1 times [2021-12-06 18:01:23,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:23,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138521794] [2021-12-06 18:01:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:23,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 705 proven. 0 refuted. 0 times theorem prover too weak. 1490 trivial. 0 not checked. [2021-12-06 18:01:24,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:24,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138521794] [2021-12-06 18:01:24,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138521794] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:01:24,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:01:24,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:01:24,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328568069] [2021-12-06 18:01:24,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:01:24,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:01:24,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:24,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:01:24,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:24,296 INFO L87 Difference]: Start difference. First operand 23164 states and 23668 transitions. Second operand has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:24,977 INFO L93 Difference]: Finished difference Result 37601 states and 38377 transitions. [2021-12-06 18:01:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:01:24,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 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 1199 [2021-12-06 18:01:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:24,988 INFO L225 Difference]: With dead ends: 37601 [2021-12-06 18:01:24,988 INFO L226 Difference]: Without dead ends: 12944 [2021-12-06 18:01:24,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:01:24,995 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 204 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:24,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 105 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 18:01:25,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12944 states. [2021-12-06 18:01:25,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12944 to 10849. [2021-12-06 18:01:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10849 states, 10848 states have (on average 1.0156710914454277) internal successors, (11018), 10848 states have internal predecessors, (11018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10849 states to 10849 states and 11018 transitions. [2021-12-06 18:01:25,092 INFO L78 Accepts]: Start accepts. Automaton has 10849 states and 11018 transitions. Word has length 1199 [2021-12-06 18:01:25,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:25,093 INFO L470 AbstractCegarLoop]: Abstraction has 10849 states and 11018 transitions. [2021-12-06 18:01:25,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:25,093 INFO L276 IsEmpty]: Start isEmpty. Operand 10849 states and 11018 transitions. [2021-12-06 18:01:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1427 [2021-12-06 18:01:25,108 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:01:25,108 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:25,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 18:01:25,108 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:01:25,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:01:25,109 INFO L85 PathProgramCache]: Analyzing trace with hash 851967114, now seen corresponding path program 1 times [2021-12-06 18:01:25,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:01:25,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984704096] [2021-12-06 18:01:25,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:25,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:01:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 1358 proven. 47 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2021-12-06 18:01:25,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:01:25,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984704096] [2021-12-06 18:01:25,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984704096] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 18:01:25,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738632664] [2021-12-06 18:01:25,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:01:25,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 18:01:25,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:01:25,564 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 18:01:25,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 18:01:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:01:25,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1639 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:01:25,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:01:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 1358 proven. 47 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2021-12-06 18:01:28,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 18:01:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3518 backedges. 1358 proven. 47 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2021-12-06 18:01:32,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738632664] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 18:01:32,954 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 18:01:32,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2021-12-06 18:01:32,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925281875] [2021-12-06 18:01:32,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 18:01:32,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 18:01:32,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:01:32,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:01:32,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:01:32,958 INFO L87 Difference]: Start difference. First operand 10849 states and 11018 transitions. Second operand has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:33,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:01:33,990 INFO L93 Difference]: Finished difference Result 12092 states and 12274 transitions. [2021-12-06 18:01:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:01:33,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 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 1426 [2021-12-06 18:01:33,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:01:33,991 INFO L225 Difference]: With dead ends: 12092 [2021-12-06 18:01:33,991 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 18:01:33,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2856 GetRequests, 2853 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:01:33,994 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 286 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:01:33,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [286 Valid, 57 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 18:01:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 18:01:33,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 18:01:33,995 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) [2021-12-06 18:01:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 18:01:33,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1426 [2021-12-06 18:01:33,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:01:33,995 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:01:33,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 156.0) internal successors, (624), 4 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:01:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:01:33,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 18:01:33,997 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 18:01:34,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-06 18:01:34,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-06 18:01:34,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 18:01:39,671 WARN L227 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 531 DAG size of output: 527 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 18:01:45,187 WARN L227 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 567 DAG size of output: 563 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 18:01:50,698 WARN L227 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 567 DAG size of output: 563 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-12-06 18:01:58,923 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,924 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,925 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,926 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,927 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 164) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,928 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,929 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-12-06 18:01:58,930 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,931 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,932 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,933 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,934 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-06 18:01:58,935 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,936 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse25 (+ 98 ~a0~0))) (let ((.cse24 (+ ~a4~0 86)) (.cse7 (<= (+ ~a0~0 147) 0)) (.cse11 (< 0 (+ ~a29~0 16))) (.cse1 (< 0 .cse25)) (.cse19 (<= (+ ~a29~0 144) 0)) (.cse21 (+ ~a29~0 127))) (let ((.cse14 (= ~a2~0 1)) (.cse2 (<= .cse21 0)) (.cse16 (or (< 0 .cse24) .cse7 .cse11 .cse1 .cse19)) (.cse5 (= 3 ~a2~0)) (.cse13 (= 5 ~a2~0)) (.cse3 (<= (+ ~a0~0 61) 0)) (.cse18 (<= 0 (+ 600001 ~a0~0))) (.cse17 (< 43 ~a29~0)) (.cse10 (<= .cse25 0)) (.cse8 (< 0 (+ (div (+ ~a0~0 599997) 299926) 1))) (.cse4 (<= .cse24 0)) (.cse23 (= ~a2~0 4)) (.cse15 (<= ~a29~0 43)) (.cse6 (<= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse12 (< 0 (+ (div (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 1) 5) 120112))) (.cse9 (<= ~a2~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3) (and .cse6 .cse7 .cse8 .cse9) (and .cse6 .cse10 (<= 0 (+ 146 ~a0~0)) .cse11 .cse9) (and .cse12 .cse4 .cse11 .cse5 .cse1) (and .cse6 .cse12 .cse4 .cse1 .cse2 .cse9) (and .cse13 .cse0 .cse3) (and .cse14 .cse12 .cse8 .cse11 .cse15) (and .cse0 .cse7 .cse3) (and .cse14 .cse1 .cse15 .cse3) (and .cse0 .cse11 .cse3) (and .cse13 .cse12 .cse4 .cse11 .cse1) (and (<= (+ 104 ~a0~0) 0) .cse13 .cse15) (and .cse10 .cse14 .cse16 .cse8) (and .cse17 .cse7 .cse14 .cse18) (and .cse14 .cse4 .cse3 .cse19) (let ((.cse20 (div (+ 600067 ~a0~0) 5))) (and .cse7 (or (not (= (mod (+ 2 ~a0~0) 5) 0)) (< 0 (+ 98 .cse20))) (< 0 (+ .cse20 99)) .cse5)) (and .cse0 .cse12 .cse5 .cse2) (let ((.cse22 (+ 44 ~a0~0))) (and (<= 0 .cse21) .cse0 .cse14 (<= 0 .cse22) (<= .cse22 0) .cse2)) (and .cse0 .cse12 .cse23 (or .cse1 .cse19) .cse15) (and .cse17 .cse6 .cse12 .cse4 .cse1 .cse9) (and (<= (+ ~a0~0 99) 0) .cse16 .cse18 .cse5) (and .cse6 .cse7 .cse18 .cse11 .cse9) (and .cse0 .cse5 .cse3) (and .cse13 .cse10 .cse18 .cse11) (and .cse0 .cse3 .cse9) (and .cse7 .cse23 .cse18) (and .cse17 .cse10 .cse23 .cse8) (and .cse12 .cse4 .cse23 .cse11 .cse1 .cse15) (and .cse6 .cse0 .cse12 .cse9))))) [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-06 18:01:58,937 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,938 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,939 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse25 (+ 98 ~a0~0))) (let ((.cse24 (+ ~a4~0 86)) (.cse7 (<= (+ ~a0~0 147) 0)) (.cse11 (< 0 (+ ~a29~0 16))) (.cse1 (< 0 .cse25)) (.cse23 (<= (+ ~a29~0 144) 0)) (.cse20 (+ ~a29~0 127))) (let ((.cse2 (<= .cse20 0)) (.cse14 (= ~a2~0 1)) (.cse16 (or (< 0 .cse24) .cse7 .cse11 .cse1 .cse23)) (.cse5 (= 3 ~a2~0)) (.cse13 (= 5 ~a2~0)) (.cse3 (<= (+ ~a0~0 61) 0)) (.cse18 (<= 0 (+ 600001 ~a0~0))) (.cse17 (< 43 ~a29~0)) (.cse10 (<= .cse25 0)) (.cse8 (< 0 (+ (div (+ ~a0~0 599997) 299926) 1))) (.cse4 (<= .cse24 0)) (.cse22 (= ~a2~0 4)) (.cse15 (<= ~a29~0 43)) (.cse6 (<= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse12 (< 0 (+ (div (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 1) 5) 120112))) (.cse9 (<= ~a2~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3) (and .cse6 .cse7 .cse8 .cse9) (and .cse6 .cse10 (<= 0 (+ 146 ~a0~0)) .cse11 .cse9) (and .cse12 .cse4 .cse11 .cse5 .cse1) (and .cse6 .cse12 .cse4 .cse1 .cse2 .cse9) (and .cse13 .cse0 .cse3) (and .cse14 .cse12 .cse8 .cse11 .cse15) (and .cse0 .cse7 .cse3) (and .cse14 .cse1 .cse15 .cse3) (and .cse0 .cse11 .cse3) (and .cse13 .cse12 .cse4 .cse11 .cse1) (and (<= (+ 104 ~a0~0) 0) .cse13 .cse15) (and .cse10 .cse14 .cse16 .cse8) (and .cse17 .cse7 .cse14 .cse18) (let ((.cse19 (div (+ 600067 ~a0~0) 5))) (and .cse7 (or (not (= (mod (+ 2 ~a0~0) 5) 0)) (< 0 (+ 98 .cse19))) (< 0 (+ .cse19 99)) .cse5)) (and .cse0 .cse12 .cse5 .cse2) (let ((.cse21 (+ 44 ~a0~0))) (and (<= 0 .cse20) .cse0 .cse14 (<= 0 .cse21) (<= .cse21 0) .cse2)) (and .cse0 .cse12 .cse22 (or .cse1 .cse23) .cse15) (and .cse14 .cse4 .cse23) (and .cse17 .cse6 .cse12 .cse4 .cse1 .cse9) (and (<= (+ ~a0~0 99) 0) .cse16 .cse18 .cse5) (and .cse6 .cse7 .cse18 .cse11 .cse9) (and .cse0 .cse5 .cse3) (and .cse13 .cse10 .cse18 .cse11) (and .cse0 .cse3 .cse9) (and .cse7 .cse22 .cse18) (and .cse17 .cse10 .cse22 .cse8) (and .cse12 .cse4 .cse22 .cse11 .cse1 .cse15) (and .cse6 .cse0 .cse12 .cse9))))) [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,940 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-06 18:01:58,941 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,942 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse25 (+ 98 ~a0~0))) (let ((.cse24 (+ ~a4~0 86)) (.cse7 (<= (+ ~a0~0 147) 0)) (.cse11 (< 0 (+ ~a29~0 16))) (.cse1 (< 0 .cse25)) (.cse23 (<= (+ ~a29~0 144) 0)) (.cse20 (+ ~a29~0 127))) (let ((.cse2 (<= .cse20 0)) (.cse14 (= ~a2~0 1)) (.cse16 (or (< 0 .cse24) .cse7 .cse11 .cse1 .cse23)) (.cse5 (= 3 ~a2~0)) (.cse13 (= 5 ~a2~0)) (.cse3 (<= (+ ~a0~0 61) 0)) (.cse18 (<= 0 (+ 600001 ~a0~0))) (.cse17 (< 43 ~a29~0)) (.cse10 (<= .cse25 0)) (.cse8 (< 0 (+ (div (+ ~a0~0 599997) 299926) 1))) (.cse4 (<= .cse24 0)) (.cse22 (= ~a2~0 4)) (.cse15 (<= ~a29~0 43)) (.cse6 (<= 2 ~a2~0)) (.cse0 (<= (+ 89 ~a4~0) 0)) (.cse12 (< 0 (+ (div (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 1) 5) 120112))) (.cse9 (<= ~a2~0 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3) (and .cse6 .cse7 .cse8 .cse9) (and .cse6 .cse10 (<= 0 (+ 146 ~a0~0)) .cse11 .cse9) (and .cse12 .cse4 .cse11 .cse5 .cse1) (and .cse6 .cse12 .cse4 .cse1 .cse2 .cse9) (and .cse13 .cse0 .cse3) (and .cse14 .cse12 .cse8 .cse11 .cse15) (and .cse0 .cse7 .cse3) (and .cse14 .cse1 .cse15 .cse3) (and .cse0 .cse11 .cse3) (and .cse13 .cse12 .cse4 .cse11 .cse1) (and (<= (+ 104 ~a0~0) 0) .cse13 .cse15) (and .cse10 .cse14 .cse16 .cse8) (and .cse17 .cse7 .cse14 .cse18) (let ((.cse19 (div (+ 600067 ~a0~0) 5))) (and .cse7 (or (not (= (mod (+ 2 ~a0~0) 5) 0)) (< 0 (+ 98 .cse19))) (< 0 (+ .cse19 99)) .cse5)) (and .cse0 .cse12 .cse5 .cse2) (let ((.cse21 (+ 44 ~a0~0))) (and (<= 0 .cse20) .cse0 .cse14 (<= 0 .cse21) (<= .cse21 0) .cse2)) (and .cse0 .cse12 .cse22 (or .cse1 .cse23) .cse15) (and .cse14 .cse4 .cse23) (and .cse17 .cse6 .cse12 .cse4 .cse1 .cse9) (and (<= (+ ~a0~0 99) 0) .cse16 .cse18 .cse5) (and .cse6 .cse7 .cse18 .cse11 .cse9) (and .cse0 .cse5 .cse3) (and .cse13 .cse10 .cse18 .cse11) (and .cse0 .cse3 .cse9) (and .cse7 .cse22 .cse18) (and .cse17 .cse10 .cse22 .cse8) (and .cse12 .cse4 .cse22 .cse11 .cse1 .cse15) (and .cse6 .cse0 .cse12 .cse9))))) [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,943 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,944 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-06 18:01:58,945 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-06 18:01:58,946 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-12-06 18:01:58,949 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:01:58,949 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 18:01:58,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:01:58 BoogieIcfgContainer [2021-12-06 18:01:58,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 18:01:58,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:01:58,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:01:58,981 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:01:58,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:00:28" (3/4) ... [2021-12-06 18:01:58,983 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 18:01:59,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-06 18:01:59,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 18:01:59,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 18:01:59,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 18:01:59,143 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 18:01:59,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:01:59,144 INFO L158 Benchmark]: Toolchain (without parser) took 93511.81ms. Allocated memory was 111.1MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 84.9MB in the beginning and 617.7MB in the end (delta: -532.8MB). Peak memory consumption was 768.8MB. Max. memory is 16.1GB. [2021-12-06 18:01:59,144 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 56.2MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:01:59,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.19ms. Allocated memory is still 111.1MB. Free memory was 84.6MB in the beginning and 50.4MB in the end (delta: 34.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2021-12-06 18:01:59,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.82ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 50.4MB in the beginning and 63.2MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:01:59,145 INFO L158 Benchmark]: Boogie Preprocessor took 190.16ms. Allocated memory is still 134.2MB. Free memory was 63.2MB in the beginning and 69.6MB in the end (delta: -6.4MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-12-06 18:01:59,145 INFO L158 Benchmark]: RCFGBuilder took 2087.51ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 69.6MB in the beginning and 96.5MB in the end (delta: -26.8MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2021-12-06 18:01:59,145 INFO L158 Benchmark]: TraceAbstraction took 90205.16ms. Allocated memory was 209.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 95.4MB in the beginning and 660.1MB in the end (delta: -564.7MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2021-12-06 18:01:59,145 INFO L158 Benchmark]: Witness Printer took 163.08ms. Allocated memory is still 1.4GB. Free memory was 660.1MB in the beginning and 617.7MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-06 18:01:59,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory was 56.2MB in the beginning and 56.2MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.19ms. Allocated memory is still 111.1MB. Free memory was 84.6MB in the beginning and 50.4MB in the end (delta: 34.2MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.82ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 50.4MB in the beginning and 63.2MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.16ms. Allocated memory is still 134.2MB. Free memory was 63.2MB in the beginning and 69.6MB in the end (delta: -6.4MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2087.51ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 69.6MB in the beginning and 96.5MB in the end (delta: -26.8MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * TraceAbstraction took 90205.16ms. Allocated memory was 209.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 95.4MB in the beginning and 660.1MB in the end (delta: -564.7MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 163.08ms. Allocated memory is still 1.4GB. Free memory was 660.1MB in the beginning and 617.7MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 164]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 90.1s, OverallIterations: 26, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 36.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10645 SdHoareTripleChecker+Valid, 33.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10645 mSDsluCounter, 8960 SdHoareTripleChecker+Invalid, 28.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1757 IncrementalHoareTripleChecker+Unchecked, 1171 mSDsCounter, 4733 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28464 IncrementalHoareTripleChecker+Invalid, 34954 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4733 mSolverCounterUnsat, 7789 mSDtfsCounter, 28464 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9468 GetRequests, 9395 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23715occurred in iteration=19, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 46499 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 209 NumberOfFragments, 2310 HoareAnnotationTreeSize, 4 FomulaSimplifications, 20483 FormulaSimplificationTreeSizeReduction, 16.5s HoareSimplificationTime, 4 FomulaSimplificationsInter, 297675 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 21933 NumberOfCodeBlocks, 21933 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 25720 ConstructedInterpolants, 328 QuantifiedInterpolants, 123976 SizeOfPredicates, 11 NumberOfNonLiveVariables, 6615 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 37 InterpolantComputations, 23 PerfectInterpolantSequences, 34340/38851 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 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((89 + a4 <= 0 && 0 < 98 + a0) && a29 + 127 <= 0) && a0 + 61 <= 0) || (((a4 + 86 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((2 <= a2 && a0 + 147 <= 0) && 0 < (a0 + 599997) / 299926 + 1) && a2 <= 2)) || ((((2 <= a2 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((((0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112 && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2) && 0 < 98 + a0)) || (((((2 <= a2 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < 98 + a0) && a29 + 127 <= 0) && a2 <= 2)) || ((5 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((a2 == 1 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && 0 < (a0 + 599997) / 299926 + 1) && 0 < a29 + 16) && a29 <= 43)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && a0 + 61 <= 0)) || (((a2 == 1 && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && a0 + 61 <= 0)) || ((((5 == a2 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < a29 + 16) && 0 < 98 + a0)) || ((104 + a0 <= 0 && 5 == a2) && a29 <= 43)) || (((98 + a0 <= 0 && a2 == 1) && ((((0 < a4 + 86 || a0 + 147 <= 0) || 0 < a29 + 16) || 0 < 98 + a0) || a29 + 144 <= 0)) && 0 < (a0 + 599997) / 299926 + 1)) || (((43 < a29 && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((a0 + 147 <= 0 && (!((2 + a0) % 5 == 0) || 0 < 98 + (600067 + a0) / 5)) && 0 < (600067 + a0) / 5 + 99) && 3 == a2)) || (((89 + a4 <= 0 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && 3 == a2) && a29 + 127 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((((89 + a4 <= 0 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a2 == 4) && (0 < 98 + a0 || a29 + 144 <= 0)) && a29 <= 43)) || (((((43 < a29 && 2 <= a2) && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < 98 + a0) && a2 <= 2)) || (((a0 + 99 <= 0 && ((((0 < a4 + 86 || a0 + 147 <= 0) || 0 < a29 + 16) || 0 < 98 + a0) || a29 + 144 <= 0)) && 0 <= 600001 + a0) && 3 == a2)) || ((((2 <= a2 && a0 + 147 <= 0) && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((5 == a2 && 98 + a0 <= 0) && 0 <= 600001 + a0) && 0 < a29 + 16)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((a0 + 147 <= 0 && a2 == 4) && 0 <= 600001 + a0)) || (((43 < a29 && 98 + a0 <= 0) && a2 == 4) && 0 < (a0 + 599997) / 299926 + 1)) || (((((0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112 && a4 + 86 <= 0) && a2 == 4) && 0 < a29 + 16) && 0 < 98 + a0) && a29 <= 43)) || (((2 <= a2 && 89 + a4 <= 0) && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a2 <= 2) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((89 + a4 <= 0 && 0 < 98 + a0) && a29 + 127 <= 0) && a0 + 61 <= 0) || (((a4 + 86 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((2 <= a2 && a0 + 147 <= 0) && 0 < (a0 + 599997) / 299926 + 1) && a2 <= 2)) || ((((2 <= a2 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((((0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112 && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2) && 0 < 98 + a0)) || (((((2 <= a2 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < 98 + a0) && a29 + 127 <= 0) && a2 <= 2)) || ((5 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((a2 == 1 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && 0 < (a0 + 599997) / 299926 + 1) && 0 < a29 + 16) && a29 <= 43)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && a0 + 61 <= 0)) || (((a2 == 1 && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && a0 + 61 <= 0)) || ((((5 == a2 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < a29 + 16) && 0 < 98 + a0)) || ((104 + a0 <= 0 && 5 == a2) && a29 <= 43)) || (((98 + a0 <= 0 && a2 == 1) && ((((0 < a4 + 86 || a0 + 147 <= 0) || 0 < a29 + 16) || 0 < 98 + a0) || a29 + 144 <= 0)) && 0 < (a0 + 599997) / 299926 + 1)) || (((43 < a29 && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((a0 + 147 <= 0 && (!((2 + a0) % 5 == 0) || 0 < 98 + (600067 + a0) / 5)) && 0 < (600067 + a0) / 5 + 99) && 3 == a2)) || (((89 + a4 <= 0 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && 3 == a2) && a29 + 127 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((((89 + a4 <= 0 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a2 == 4) && (0 < 98 + a0 || a29 + 144 <= 0)) && a29 <= 43)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((43 < a29 && 2 <= a2) && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < 98 + a0) && a2 <= 2)) || (((a0 + 99 <= 0 && ((((0 < a4 + 86 || a0 + 147 <= 0) || 0 < a29 + 16) || 0 < 98 + a0) || a29 + 144 <= 0)) && 0 <= 600001 + a0) && 3 == a2)) || ((((2 <= a2 && a0 + 147 <= 0) && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((5 == a2 && 98 + a0 <= 0) && 0 <= 600001 + a0) && 0 < a29 + 16)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((a0 + 147 <= 0 && a2 == 4) && 0 <= 600001 + a0)) || (((43 < a29 && 98 + a0 <= 0) && a2 == 4) && 0 < (a0 + 599997) / 299926 + 1)) || (((((0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112 && a4 + 86 <= 0) && a2 == 4) && 0 < a29 + 16) && 0 < 98 + a0) && a29 <= 43)) || (((2 <= a2 && 89 + a4 <= 0) && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a2 <= 2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((89 + a4 <= 0 && 0 < 98 + a0) && a29 + 127 <= 0) && a0 + 61 <= 0) || (((a4 + 86 <= 0 && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0)) || (((2 <= a2 && a0 + 147 <= 0) && 0 < (a0 + 599997) / 299926 + 1) && a2 <= 2)) || ((((2 <= a2 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((((0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112 && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2) && 0 < 98 + a0)) || (((((2 <= a2 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < 98 + a0) && a29 + 127 <= 0) && a2 <= 2)) || ((5 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((a2 == 1 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && 0 < (a0 + 599997) / 299926 + 1) && 0 < a29 + 16) && a29 <= 43)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && a0 + 61 <= 0)) || (((a2 == 1 && 0 < 98 + a0) && a29 <= 43) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && a0 + 61 <= 0)) || ((((5 == a2 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < a29 + 16) && 0 < 98 + a0)) || ((104 + a0 <= 0 && 5 == a2) && a29 <= 43)) || (((98 + a0 <= 0 && a2 == 1) && ((((0 < a4 + 86 || a0 + 147 <= 0) || 0 < a29 + 16) || 0 < 98 + a0) || a29 + 144 <= 0)) && 0 < (a0 + 599997) / 299926 + 1)) || (((43 < a29 && a0 + 147 <= 0) && a2 == 1) && 0 <= 600001 + a0)) || (((a0 + 147 <= 0 && (!((2 + a0) % 5 == 0) || 0 < 98 + (600067 + a0) / 5)) && 0 < (600067 + a0) / 5 + 99) && 3 == a2)) || (((89 + a4 <= 0 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && 3 == a2) && a29 + 127 <= 0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((((89 + a4 <= 0 && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a2 == 4) && (0 < 98 + a0 || a29 + 144 <= 0)) && a29 <= 43)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((((43 < a29 && 2 <= a2) && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a4 + 86 <= 0) && 0 < 98 + a0) && a2 <= 2)) || (((a0 + 99 <= 0 && ((((0 < a4 + 86 || a0 + 147 <= 0) || 0 < a29 + 16) || 0 < 98 + a0) || a29 + 144 <= 0)) && 0 <= 600001 + a0) && 3 == a2)) || ((((2 <= a2 && a0 + 147 <= 0) && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || (((5 == a2 && 98 + a0 <= 0) && 0 <= 600001 + a0) && 0 < a29 + 16)) || ((89 + a4 <= 0 && a0 + 61 <= 0) && a2 <= 2)) || ((a0 + 147 <= 0 && a2 == 4) && 0 <= 600001 + a0)) || (((43 < a29 && 98 + a0 <= 0) && a2 == 4) && 0 < (a0 + 599997) / 299926 + 1)) || (((((0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112 && a4 + 86 <= 0) && a2 == 4) && 0 < a29 + 16) && 0 < 98 + a0) && a29 <= 43)) || (((2 <= a2 && 89 + a4 <= 0) && 0 < ((3459790 + a0 / 5 * 10) / -9 + 1) / 5 + 120112) && a2 <= 2) RESULT: Ultimate proved your program to be correct! [2021-12-06 18:01:59,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_278a30a7-8f2b-4bf7-a6a1-6fd12adabf67/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE