./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be --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 b327f04e85816300a772fdcab90c62f95ac5a620d1563dfbe08b64473c277d33 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:27:29,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:27:29,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:27:29,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:27:29,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:27:29,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:27:29,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:27:29,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:27:29,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:27:29,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:27:29,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:27:29,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:27:29,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:27:29,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:27:29,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:27:29,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:27:29,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:27:29,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:27:29,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:27:29,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:27:29,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:27:29,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:27:29,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:27:29,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:27:29,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:27:29,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:27:29,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:27:29,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:27:29,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:27:29,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:27:29,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:27:29,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:27:29,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:27:29,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:27:29,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:27:29,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:27:29,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:27:29,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:27:29,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:27:29,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:27:29,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:27:29,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:27:29,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:27:29,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:27:29,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:27:29,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:27:29,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:27:29,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:27:29,538 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:27:29,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:27:29,539 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:27:29,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:27:29,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:27:29,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:27:29,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:27:29,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:27:29,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:27:29,540 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:27:29,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:27:29,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:27:29,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:27:29,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:27:29,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:27:29,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:27:29,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:27:29,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:27:29,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:27:29,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:27:29,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:27:29,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:27:29,543 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:27:29,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:27:29,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:27:29,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:27:29,544 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_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b327f04e85816300a772fdcab90c62f95ac5a620d1563dfbe08b64473c277d33 [2021-10-21 20:27:29,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:27:29,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:27:29,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:27:29,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:27:29,815 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:27:29,816 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2021-10-21 20:27:29,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/data/9d7fedb0e/42fed793fe804eed9f8ca4e372f38b80/FLAGc95c088d2 [2021-10-21 20:27:30,518 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:27:30,518 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/sv-benchmarks/c/eca-rers2012/Problem16_label28.c [2021-10-21 20:27:30,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/data/9d7fedb0e/42fed793fe804eed9f8ca4e372f38b80/FLAGc95c088d2 [2021-10-21 20:27:30,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/data/9d7fedb0e/42fed793fe804eed9f8ca4e372f38b80 [2021-10-21 20:27:30,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:27:30,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:27:30,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:27:30,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:27:30,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:27:30,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:27:30" (1/1) ... [2021-10-21 20:27:30,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2847c7b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:30, skipping insertion in model container [2021-10-21 20:27:30,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:27:30" (1/1) ... [2021-10-21 20:27:30,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:27:30,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:27:31,114 WARN L228 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_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/sv-benchmarks/c/eca-rers2012/Problem16_label28.c[6890,6903] [2021-10-21 20:27:31,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:27:31,621 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:27:31,664 WARN L228 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_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/sv-benchmarks/c/eca-rers2012/Problem16_label28.c[6890,6903] [2021-10-21 20:27:31,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:27:31,904 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:27:31,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31 WrapperNode [2021-10-21 20:27:31,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:27:31,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:27:31,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:27:31,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:27:31,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:31,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:27:32,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:27:32,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:27:32,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:27:32,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:27:32,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:27:32,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:27:32,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:27:32,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (1/1) ... [2021-10-21 20:27:32,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:27:32,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:32,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:32,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:27:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:27:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:27:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:27:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:27:34,864 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:27:34,864 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 20:27:34,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:34 BoogieIcfgContainer [2021-10-21 20:27:34,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:27:34,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:27:34,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:27:34,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:27:34,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:27:30" (1/3) ... [2021-10-21 20:27:34,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e15da8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:27:34, skipping insertion in model container [2021-10-21 20:27:34,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:27:31" (2/3) ... [2021-10-21 20:27:34,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e15da8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:27:34, skipping insertion in model container [2021-10-21 20:27:34,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:34" (3/3) ... [2021-10-21 20:27:34,878 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label28.c [2021-10-21 20:27:34,887 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:27:34,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:27:34,942 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:27:34,949 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 [2021-10-21 20:27:34,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:27:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-10-21 20:27:34,985 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:34,986 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:34,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:34,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:34,991 INFO L82 PathProgramCache]: Analyzing trace with hash -215114758, now seen corresponding path program 1 times [2021-10-21 20:27:34,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:35,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619526400] [2021-10-21 20:27:35,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:35,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:35,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:35,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:35,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619526400] [2021-10-21 20:27:35,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619526400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:35,327 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:35,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:35,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108505030] [2021-10-21 20:27:35,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:27:35,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:35,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:27:35,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:27:35,359 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:38,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:38,488 INFO L93 Difference]: Finished difference Result 1456 states and 2764 transitions. [2021-10-21 20:27:38,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:27:38,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2021-10-21 20:27:38,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:38,511 INFO L225 Difference]: With dead ends: 1456 [2021-10-21 20:27:38,511 INFO L226 Difference]: Without dead ends: 991 [2021-10-21 20:27:38,517 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:27:38,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2021-10-21 20:27:38,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2021-10-21 20:27:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 991 states, 990 states have (on average 1.497979797979798) internal successors, (1483), 990 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1483 transitions. [2021-10-21 20:27:38,632 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1483 transitions. Word has length 66 [2021-10-21 20:27:38,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:38,633 INFO L470 AbstractCegarLoop]: Abstraction has 991 states and 1483 transitions. [2021-10-21 20:27:38,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1483 transitions. [2021-10-21 20:27:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-10-21 20:27:38,647 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:38,647 INFO L512 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:38,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:27:38,648 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:38,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:38,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1595869454, now seen corresponding path program 1 times [2021-10-21 20:27:38,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:38,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874444480] [2021-10-21 20:27:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:38,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:38,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:38,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874444480] [2021-10-21 20:27:38,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874444480] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:38,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:38,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:38,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518515558] [2021-10-21 20:27:38,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:27:38,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:38,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:38,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:38,963 INFO L87 Difference]: Start difference. First operand 991 states and 1483 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:40,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:40,426 INFO L93 Difference]: Finished difference Result 1980 states and 3168 transitions. [2021-10-21 20:27:40,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:40,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 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 256 [2021-10-21 20:27:40,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:40,436 INFO L225 Difference]: With dead ends: 1980 [2021-10-21 20:27:40,437 INFO L226 Difference]: Without dead ends: 1320 [2021-10-21 20:27:40,440 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:40,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-10-21 20:27:40,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-10-21 20:27:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.423805913570887) internal successors, (1878), 1319 states have internal predecessors, (1878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1878 transitions. [2021-10-21 20:27:40,477 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1878 transitions. Word has length 256 [2021-10-21 20:27:40,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:40,478 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1878 transitions. [2021-10-21 20:27:40,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1878 transitions. [2021-10-21 20:27:40,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-10-21 20:27:40,487 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:40,487 INFO L512 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:40,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:27:40,488 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:40,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1780445252, now seen corresponding path program 1 times [2021-10-21 20:27:40,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:40,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123876426] [2021-10-21 20:27:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:40,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-21 20:27:40,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:40,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123876426] [2021-10-21 20:27:40,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123876426] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:40,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:40,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:27:40,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781029381] [2021-10-21 20:27:40,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:27:40,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:40,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:40,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:40,635 INFO L87 Difference]: Start difference. First operand 1320 states and 1878 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:42,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:42,312 INFO L93 Difference]: Finished difference Result 3296 states and 4947 transitions. [2021-10-21 20:27:42,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:42,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 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 259 [2021-10-21 20:27:42,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:42,324 INFO L225 Difference]: With dead ends: 3296 [2021-10-21 20:27:42,324 INFO L226 Difference]: Without dead ends: 1978 [2021-10-21 20:27:42,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:42,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-10-21 20:27:42,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-10-21 20:27:42,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.1335356600910471) internal successors, (2241), 1977 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:42,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2241 transitions. [2021-10-21 20:27:42,377 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2241 transitions. Word has length 259 [2021-10-21 20:27:42,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:42,378 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2241 transitions. [2021-10-21 20:27:42,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2241 transitions. [2021-10-21 20:27:42,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-10-21 20:27:42,386 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:42,387 INFO L512 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:42,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:27:42,387 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:42,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:42,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1858080163, now seen corresponding path program 1 times [2021-10-21 20:27:42,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:42,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040400546] [2021-10-21 20:27:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:42,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:42,528 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-10-21 20:27:42,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:42,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040400546] [2021-10-21 20:27:42,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040400546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:42,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:42,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:27:42,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069977947] [2021-10-21 20:27:42,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:27:42,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:42,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:42,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:42,532 INFO L87 Difference]: Start difference. First operand 1978 states and 2241 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:43,570 INFO L93 Difference]: Finished difference Result 3954 states and 4508 transitions. [2021-10-21 20:27:43,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:43,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 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 385 [2021-10-21 20:27:43,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:43,584 INFO L225 Difference]: With dead ends: 3954 [2021-10-21 20:27:43,584 INFO L226 Difference]: Without dead ends: 2307 [2021-10-21 20:27:43,588 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:43,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2307 states. [2021-10-21 20:27:43,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2307 to 2307. [2021-10-21 20:27:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 1.092801387684302) internal successors, (2520), 2306 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 2520 transitions. [2021-10-21 20:27:43,675 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 2520 transitions. Word has length 385 [2021-10-21 20:27:43,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:43,675 INFO L470 AbstractCegarLoop]: Abstraction has 2307 states and 2520 transitions. [2021-10-21 20:27:43,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2520 transitions. [2021-10-21 20:27:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2021-10-21 20:27:43,695 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:43,697 INFO L512 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, 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, 3, 3, 3, 3, 3, 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] [2021-10-21 20:27:43,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:27:43,698 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:43,699 INFO L82 PathProgramCache]: Analyzing trace with hash -461925515, now seen corresponding path program 1 times [2021-10-21 20:27:43,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:43,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057808081] [2021-10-21 20:27:43,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:43,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 917 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2021-10-21 20:27:44,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:44,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057808081] [2021-10-21 20:27:44,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057808081] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:44,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:44,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:44,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934069117] [2021-10-21 20:27:44,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:27:44,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:44,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:27:44,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:27:44,057 INFO L87 Difference]: Start difference. First operand 2307 states and 2520 transitions. Second operand has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:45,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:45,852 INFO L93 Difference]: Finished difference Result 7904 states and 8696 transitions. [2021-10-21 20:27:45,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:27:45,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 643 [2021-10-21 20:27:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:45,882 INFO L225 Difference]: With dead ends: 7904 [2021-10-21 20:27:45,882 INFO L226 Difference]: Without dead ends: 5928 [2021-10-21 20:27:45,885 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:27:45,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5928 states. [2021-10-21 20:27:46,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5928 to 5597. [2021-10-21 20:27:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0804145818441744) internal successors, (6046), 5596 states have internal predecessors, (6046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6046 transitions. [2021-10-21 20:27:46,031 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6046 transitions. Word has length 643 [2021-10-21 20:27:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:46,032 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6046 transitions. [2021-10-21 20:27:46,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.75) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6046 transitions. [2021-10-21 20:27:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2021-10-21 20:27:46,043 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:46,043 INFO L512 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-21 20:27:46,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:27:46,044 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:46,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:46,045 INFO L82 PathProgramCache]: Analyzing trace with hash 465941481, now seen corresponding path program 1 times [2021-10-21 20:27:46,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:46,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357390307] [2021-10-21 20:27:46,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:46,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:46,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1364 backedges. 754 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2021-10-21 20:27:46,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:46,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357390307] [2021-10-21 20:27:46,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357390307] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:46,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:46,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:27:46,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519268525] [2021-10-21 20:27:46,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:27:46,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:46,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:46,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:46,442 INFO L87 Difference]: Start difference. First operand 5597 states and 6046 transitions. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:47,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:47,534 INFO L93 Difference]: Finished difference Result 13168 states and 14284 transitions. [2021-10-21 20:27:47,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:47,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 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 739 [2021-10-21 20:27:47,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:47,575 INFO L225 Difference]: With dead ends: 13168 [2021-10-21 20:27:47,576 INFO L226 Difference]: Without dead ends: 7902 [2021-10-21 20:27:47,582 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:47,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7902 states. [2021-10-21 20:27:47,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7902 to 7900. [2021-10-21 20:27:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 7899 states have (on average 1.0786175465248766) internal successors, (8520), 7899 states have internal predecessors, (8520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8520 transitions. [2021-10-21 20:27:47,765 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8520 transitions. Word has length 739 [2021-10-21 20:27:47,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:47,766 INFO L470 AbstractCegarLoop]: Abstraction has 7900 states and 8520 transitions. [2021-10-21 20:27:47,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 2 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8520 transitions. [2021-10-21 20:27:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2021-10-21 20:27:47,779 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:47,780 INFO L512 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-10-21 20:27:47,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:27:47,781 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:47,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:47,782 INFO L82 PathProgramCache]: Analyzing trace with hash 986382805, now seen corresponding path program 1 times [2021-10-21 20:27:47,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:47,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936431774] [2021-10-21 20:27:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:47,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1364 backedges. 1035 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-10-21 20:27:48,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:48,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936431774] [2021-10-21 20:27:48,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936431774] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:48,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:48,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:48,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239411075] [2021-10-21 20:27:48,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:27:48,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:48,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:48,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:48,111 INFO L87 Difference]: Start difference. First operand 7900 states and 8520 transitions. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:49,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:49,190 INFO L93 Difference]: Finished difference Result 19417 states and 21035 transitions. [2021-10-21 20:27:49,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:49,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 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 747 [2021-10-21 20:27:49,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:49,261 INFO L225 Difference]: With dead ends: 19417 [2021-10-21 20:27:49,261 INFO L226 Difference]: Without dead ends: 12177 [2021-10-21 20:27:49,271 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:49,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2021-10-21 20:27:49,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 12177. [2021-10-21 20:27:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12177 states, 12176 states have (on average 1.0742444152431012) internal successors, (13080), 12176 states have internal predecessors, (13080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:49,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 13080 transitions. [2021-10-21 20:27:49,586 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 13080 transitions. Word has length 747 [2021-10-21 20:27:49,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:49,587 INFO L470 AbstractCegarLoop]: Abstraction has 12177 states and 13080 transitions. [2021-10-21 20:27:49,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:49,588 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 13080 transitions. [2021-10-21 20:27:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2021-10-21 20:27:49,609 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:49,610 INFO L512 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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] [2021-10-21 20:27:49,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:27:49,611 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:49,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:49,612 INFO L82 PathProgramCache]: Analyzing trace with hash 369865799, now seen corresponding path program 1 times [2021-10-21 20:27:49,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:49,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263586325] [2021-10-21 20:27:49,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:49,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 1369 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2021-10-21 20:27:50,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:50,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263586325] [2021-10-21 20:27:50,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263586325] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:50,116 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:50,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:50,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042859213] [2021-10-21 20:27:50,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:27:50,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:50,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:27:50,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:27:50,119 INFO L87 Difference]: Start difference. First operand 12177 states and 13080 transitions. Second operand has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:51,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:51,504 INFO L93 Difference]: Finished difference Result 23694 states and 25491 transitions. [2021-10-21 20:27:51,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:51,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 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 1004 [2021-10-21 20:27:51,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:51,529 INFO L225 Difference]: With dead ends: 23694 [2021-10-21 20:27:51,529 INFO L226 Difference]: Without dead ends: 12177 [2021-10-21 20:27:51,542 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:27:51,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2021-10-21 20:27:51,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 12177. [2021-10-21 20:27:51,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12177 states, 12176 states have (on average 1.0739980289093298) internal successors, (13077), 12176 states have internal predecessors, (13077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12177 states to 12177 states and 13077 transitions. [2021-10-21 20:27:51,829 INFO L78 Accepts]: Start accepts. Automaton has 12177 states and 13077 transitions. Word has length 1004 [2021-10-21 20:27:51,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:51,830 INFO L470 AbstractCegarLoop]: Abstraction has 12177 states and 13077 transitions. [2021-10-21 20:27:51,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.5) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 12177 states and 13077 transitions. [2021-10-21 20:27:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1013 [2021-10-21 20:27:51,851 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:51,852 INFO L512 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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] [2021-10-21 20:27:51,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:27:51,852 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:51,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:51,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1455869915, now seen corresponding path program 1 times [2021-10-21 20:27:51,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:51,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515947983] [2021-10-21 20:27:51,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:51,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 1212 proven. 157 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2021-10-21 20:27:52,376 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:52,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515947983] [2021-10-21 20:27:52,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515947983] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:52,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037471470] [2021-10-21 20:27:52,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:52,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:27:52,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:52,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:27:52,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:27:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:52,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:27:52,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 1780 proven. 0 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2021-10-21 20:27:55,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037471470] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:55,318 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:27:55,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 20:27:55,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142809265] [2021-10-21 20:27:55,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:27:55,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:55,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:55,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:27:55,322 INFO L87 Difference]: Start difference. First operand 12177 states and 13077 transitions. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:56,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:56,334 INFO L93 Difference]: Finished difference Result 26655 states and 28710 transitions. [2021-10-21 20:27:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:56,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 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 1012 [2021-10-21 20:27:56,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:27:56,361 INFO L225 Difference]: With dead ends: 26655 [2021-10-21 20:27:56,361 INFO L226 Difference]: Without dead ends: 15138 [2021-10-21 20:27:56,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1016 GetRequests, 1011 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 39.4ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:27:56,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15138 states. [2021-10-21 20:27:56,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15138 to 13822. [2021-10-21 20:27:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0778525432313146) internal successors, (14897), 13821 states have internal predecessors, (14897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:56,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14897 transitions. [2021-10-21 20:27:56,702 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14897 transitions. Word has length 1012 [2021-10-21 20:27:56,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:27:56,703 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14897 transitions. [2021-10-21 20:27:56,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:56,703 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14897 transitions. [2021-10-21 20:27:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1014 [2021-10-21 20:27:56,732 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:27:56,733 INFO L512 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 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] [2021-10-21 20:27:56,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-21 20:27:56,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:27:56,956 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:27:56,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:56,956 INFO L82 PathProgramCache]: Analyzing trace with hash 668904134, now seen corresponding path program 1 times [2021-10-21 20:27:56,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:56,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71100287] [2021-10-21 20:27:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:56,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:57,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 1214 proven. 157 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked. [2021-10-21 20:27:57,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:57,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71100287] [2021-10-21 20:27:57,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71100287] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:27:57,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063147103] [2021-10-21 20:27:57,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:57,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:27:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:57,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:27:57,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:27:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:58,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:27:58,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:00,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2620 backedges. 1555 proven. 0 refuted. 0 times theorem prover too weak. 1065 trivial. 0 not checked. [2021-10-21 20:28:00,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063147103] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:00,788 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:28:00,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 20:28:00,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743508554] [2021-10-21 20:28:00,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:00,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:00,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:00,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:00,794 INFO L87 Difference]: Start difference. First operand 13822 states and 14897 transitions. Second operand has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:01,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:01,836 INFO L93 Difference]: Finished difference Result 28629 states and 30887 transitions. [2021-10-21 20:28:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:01,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 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 1013 [2021-10-21 20:28:01,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:01,863 INFO L225 Difference]: With dead ends: 28629 [2021-10-21 20:28:01,863 INFO L226 Difference]: Without dead ends: 15467 [2021-10-21 20:28:01,876 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1017 GetRequests, 1012 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 41.4ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:01,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2021-10-21 20:28:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 14809. [2021-10-21 20:28:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0524716369529983) internal successors, (15585), 14808 states have internal predecessors, (15585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15585 transitions. [2021-10-21 20:28:02,110 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15585 transitions. Word has length 1013 [2021-10-21 20:28:02,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:02,111 INFO L470 AbstractCegarLoop]: Abstraction has 14809 states and 15585 transitions. [2021-10-21 20:28:02,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:02,112 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15585 transitions. [2021-10-21 20:28:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1028 [2021-10-21 20:28:02,135 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:02,136 INFO L512 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:02,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:02,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:02,360 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:02,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:02,360 INFO L82 PathProgramCache]: Analyzing trace with hash -962762883, now seen corresponding path program 1 times [2021-10-21 20:28:02,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:02,361 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188313782] [2021-10-21 20:28:02,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:02,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 1210 proven. 157 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2021-10-21 20:28:03,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:03,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188313782] [2021-10-21 20:28:03,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188313782] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:28:03,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350163563] [2021-10-21 20:28:03,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:03,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:03,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:03,064 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:28:03,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:28:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:03,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:28:03,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2329 backedges. 1386 proven. 0 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2021-10-21 20:28:06,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350163563] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:06,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:28:06,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 20:28:06,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863432712] [2021-10-21 20:28:06,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:06,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:06,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:06,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:06,325 INFO L87 Difference]: Start difference. First operand 14809 states and 15585 transitions. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:07,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:07,283 INFO L93 Difference]: Finished difference Result 31919 states and 33726 transitions. [2021-10-21 20:28:07,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:07,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 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 1027 [2021-10-21 20:28:07,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:07,312 INFO L225 Difference]: With dead ends: 31919 [2021-10-21 20:28:07,312 INFO L226 Difference]: Without dead ends: 17770 [2021-10-21 20:28:07,322 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1031 GetRequests, 1026 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 39.2ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:07,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-21 20:28:07,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17770. [2021-10-21 20:28:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17770 states, 17769 states have (on average 1.048849119252631) internal successors, (18637), 17769 states have internal predecessors, (18637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17770 states to 17770 states and 18637 transitions. [2021-10-21 20:28:07,551 INFO L78 Accepts]: Start accepts. Automaton has 17770 states and 18637 transitions. Word has length 1027 [2021-10-21 20:28:07,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:07,552 INFO L470 AbstractCegarLoop]: Abstraction has 17770 states and 18637 transitions. [2021-10-21 20:28:07,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 17770 states and 18637 transitions. [2021-10-21 20:28:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1092 [2021-10-21 20:28:07,576 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:07,578 INFO L512 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:07,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:07,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-21 20:28:07,794 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:07,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:07,795 INFO L82 PathProgramCache]: Analyzing trace with hash -718236458, now seen corresponding path program 1 times [2021-10-21 20:28:07,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:07,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192800898] [2021-10-21 20:28:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:07,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1074 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2021-10-21 20:28:08,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:08,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192800898] [2021-10-21 20:28:08,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192800898] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:08,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:08,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:28:08,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394445958] [2021-10-21 20:28:08,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:08,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:08,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:08,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:08,593 INFO L87 Difference]: Start difference. First operand 17770 states and 18637 transitions. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:09,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:09,652 INFO L93 Difference]: Finished difference Result 34880 states and 36608 transitions. [2021-10-21 20:28:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:09,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 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 1091 [2021-10-21 20:28:09,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:09,699 INFO L225 Difference]: With dead ends: 34880 [2021-10-21 20:28:09,699 INFO L226 Difference]: Without dead ends: 17770 [2021-10-21 20:28:09,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:09,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-10-21 20:28:09,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17441. [2021-10-21 20:28:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17441 states, 17440 states have (on average 1.0411697247706422) internal successors, (18158), 17440 states have internal predecessors, (18158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:09,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17441 states to 17441 states and 18158 transitions. [2021-10-21 20:28:09,960 INFO L78 Accepts]: Start accepts. Automaton has 17441 states and 18158 transitions. Word has length 1091 [2021-10-21 20:28:09,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:09,961 INFO L470 AbstractCegarLoop]: Abstraction has 17441 states and 18158 transitions. [2021-10-21 20:28:09,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 17441 states and 18158 transitions. [2021-10-21 20:28:09,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1278 [2021-10-21 20:28:09,990 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:09,993 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:09,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:28:09,993 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:09,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:09,994 INFO L82 PathProgramCache]: Analyzing trace with hash -2135689187, now seen corresponding path program 1 times [2021-10-21 20:28:09,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:09,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042176955] [2021-10-21 20:28:09,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:09,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3606 backedges. 1194 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-10-21 20:28:10,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:10,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042176955] [2021-10-21 20:28:10,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042176955] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:10,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:10,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:28:10,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987098955] [2021-10-21 20:28:10,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:10,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:10,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:10,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:10,585 INFO L87 Difference]: Start difference. First operand 17441 states and 18158 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:11,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:11,577 INFO L93 Difference]: Finished difference Result 34551 states and 35983 transitions. [2021-10-21 20:28:11,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:11,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 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 1277 [2021-10-21 20:28:11,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:11,684 INFO L225 Difference]: With dead ends: 34551 [2021-10-21 20:28:11,684 INFO L226 Difference]: Without dead ends: 17112 [2021-10-21 20:28:11,690 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:11,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-21 20:28:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16125. [2021-10-21 20:28:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0343587199206152) internal successors, (16678), 16124 states have internal predecessors, (16678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16678 transitions. [2021-10-21 20:28:11,906 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16678 transitions. Word has length 1277 [2021-10-21 20:28:11,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:11,908 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16678 transitions. [2021-10-21 20:28:11,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16678 transitions. [2021-10-21 20:28:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1306 [2021-10-21 20:28:11,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:11,939 INFO L512 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 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] [2021-10-21 20:28:11,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 20:28:11,940 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:11,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:11,941 INFO L82 PathProgramCache]: Analyzing trace with hash -174714429, now seen corresponding path program 1 times [2021-10-21 20:28:11,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:11,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423572142] [2021-10-21 20:28:11,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:11,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 2129 proven. 16 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-10-21 20:28:12,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:12,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423572142] [2021-10-21 20:28:12,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423572142] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:28:12,877 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084973268] [2021-10-21 20:28:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:12,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:12,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:12,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:28:12,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 20:28:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:14,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:28:14,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3207 backedges. 2081 proven. 0 refuted. 0 times theorem prover too weak. 1126 trivial. 0 not checked. [2021-10-21 20:28:17,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084973268] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:17,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:28:17,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-10-21 20:28:17,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183776538] [2021-10-21 20:28:17,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:17,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:17,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:17,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:28:17,176 INFO L87 Difference]: Start difference. First operand 16125 states and 16678 transitions. Second operand has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:18,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:18,139 INFO L93 Difference]: Finished difference Result 31919 states and 33020 transitions. [2021-10-21 20:28:18,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:18,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 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 1305 [2021-10-21 20:28:18,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:18,161 INFO L225 Difference]: With dead ends: 31919 [2021-10-21 20:28:18,161 INFO L226 Difference]: Without dead ends: 16454 [2021-10-21 20:28:18,171 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1312 GetRequests, 1306 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 45.6ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:28:18,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2021-10-21 20:28:18,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 16125. [2021-10-21 20:28:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0330563135698339) internal successors, (16657), 16124 states have internal predecessors, (16657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:18,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16657 transitions. [2021-10-21 20:28:18,441 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16657 transitions. Word has length 1305 [2021-10-21 20:28:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:18,442 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16657 transitions. [2021-10-21 20:28:18,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16657 transitions. [2021-10-21 20:28:18,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1310 [2021-10-21 20:28:18,465 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:18,466 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 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, 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, 3, 3, 3, 3, 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] [2021-10-21 20:28:18,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-21 20:28:18,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-21 20:28:18,688 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:18,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:18,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1796073498, now seen corresponding path program 1 times [2021-10-21 20:28:18,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:18,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501237242] [2021-10-21 20:28:18,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:18,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3846 backedges. 2640 proven. 0 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2021-10-21 20:28:19,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:19,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501237242] [2021-10-21 20:28:19,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501237242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:19,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:19,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:28:19,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117902075] [2021-10-21 20:28:19,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:19,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:19,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:19,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:19,204 INFO L87 Difference]: Start difference. First operand 16125 states and 16657 transitions. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:20,223 INFO L93 Difference]: Finished difference Result 32906 states and 33984 transitions. [2021-10-21 20:28:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:20,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 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 1309 [2021-10-21 20:28:20,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:20,236 INFO L225 Difference]: With dead ends: 32906 [2021-10-21 20:28:20,236 INFO L226 Difference]: Without dead ends: 17112 [2021-10-21 20:28:20,244 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:20,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-10-21 20:28:20,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 16783. [2021-10-21 20:28:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.0291979501847217) internal successors, (17272), 16782 states have internal predecessors, (17272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17272 transitions. [2021-10-21 20:28:20,433 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17272 transitions. Word has length 1309 [2021-10-21 20:28:20,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:20,434 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17272 transitions. [2021-10-21 20:28:20,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:20,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17272 transitions. [2021-10-21 20:28:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1320 [2021-10-21 20:28:20,451 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:20,452 INFO L512 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 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] [2021-10-21 20:28:20,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:28:20,452 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:20,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:20,453 INFO L82 PathProgramCache]: Analyzing trace with hash -770046292, now seen corresponding path program 1 times [2021-10-21 20:28:20,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:20,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799339421] [2021-10-21 20:28:20,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:20,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3082 backedges. 1340 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked. [2021-10-21 20:28:21,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:21,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799339421] [2021-10-21 20:28:21,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799339421] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:21,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:21,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:28:21,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662093658] [2021-10-21 20:28:21,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:21,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:21,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:21,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:21,069 INFO L87 Difference]: Start difference. First operand 16783 states and 17272 transitions. Second operand has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:21,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:21,964 INFO L93 Difference]: Finished difference Result 33235 states and 34211 transitions. [2021-10-21 20:28:21,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:21,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 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 1319 [2021-10-21 20:28:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:21,977 INFO L225 Difference]: With dead ends: 33235 [2021-10-21 20:28:21,977 INFO L226 Difference]: Without dead ends: 16783 [2021-10-21 20:28:21,985 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:21,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-10-21 20:28:22,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 15467. [2021-10-21 20:28:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.023470839260313) internal successors, (15829), 15466 states have internal predecessors, (15829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15829 transitions. [2021-10-21 20:28:22,251 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15829 transitions. Word has length 1319 [2021-10-21 20:28:22,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:22,252 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15829 transitions. [2021-10-21 20:28:22,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.66666666666666) internal successors, (554), 3 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15829 transitions. [2021-10-21 20:28:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1368 [2021-10-21 20:28:22,280 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:22,280 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 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] [2021-10-21 20:28:22,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 20:28:22,281 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:22,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:22,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1928733547, now seen corresponding path program 1 times [2021-10-21 20:28:22,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:22,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799043675] [2021-10-21 20:28:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:22,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4152 backedges. 2128 proven. 0 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2021-10-21 20:28:22,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:22,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799043675] [2021-10-21 20:28:22,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799043675] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:22,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:22,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:28:22,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072801857] [2021-10-21 20:28:22,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:22,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:22,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:22,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:22,938 INFO L87 Difference]: Start difference. First operand 15467 states and 15829 transitions. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:23,933 INFO L93 Difference]: Finished difference Result 31261 states and 32004 transitions. [2021-10-21 20:28:23,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:23,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 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 1367 [2021-10-21 20:28:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:23,946 INFO L225 Difference]: With dead ends: 31261 [2021-10-21 20:28:23,946 INFO L226 Difference]: Without dead ends: 16125 [2021-10-21 20:28:23,950 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:23,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-10-21 20:28:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125. [2021-10-21 20:28:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0225130240635079) internal successors, (16487), 16124 states have internal predecessors, (16487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16487 transitions. [2021-10-21 20:28:24,094 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16487 transitions. Word has length 1367 [2021-10-21 20:28:24,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:24,095 INFO L470 AbstractCegarLoop]: Abstraction has 16125 states and 16487 transitions. [2021-10-21 20:28:24,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16487 transitions. [2021-10-21 20:28:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1391 [2021-10-21 20:28:24,119 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:24,120 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-10-21 20:28:24,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 20:28:24,120 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:24,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:24,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1042032870, now seen corresponding path program 1 times [2021-10-21 20:28:24,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:24,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576601812] [2021-10-21 20:28:24,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:24,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 2724 proven. 82 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2021-10-21 20:28:24,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:24,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576601812] [2021-10-21 20:28:24,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576601812] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:28:24,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849654634] [2021-10-21 20:28:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:24,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:24,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:24,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:28:24,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 20:28:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:26,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 1649 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:28:26,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3976 backedges. 1560 proven. 0 refuted. 0 times theorem prover too weak. 2416 trivial. 0 not checked. [2021-10-21 20:28:29,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849654634] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:29,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:28:29,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 20:28:29,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765252908] [2021-10-21 20:28:29,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:29,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:29,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:29,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:29,977 INFO L87 Difference]: Start difference. First operand 16125 states and 16487 transitions. Second operand has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:30,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:30,763 INFO L93 Difference]: Finished difference Result 31590 states and 32310 transitions. [2021-10-21 20:28:30,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:30,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 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 1390 [2021-10-21 20:28:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:30,781 INFO L225 Difference]: With dead ends: 31590 [2021-10-21 20:28:30,781 INFO L226 Difference]: Without dead ends: 16125 [2021-10-21 20:28:30,788 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1398 GetRequests, 1393 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 33.0ms TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:30,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-10-21 20:28:30,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2021-10-21 20:28:30,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0220955998733776) internal successors, (16144), 15795 states have internal predecessors, (16144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16144 transitions. [2021-10-21 20:28:30,956 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16144 transitions. Word has length 1390 [2021-10-21 20:28:30,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:30,958 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16144 transitions. [2021-10-21 20:28:30,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16144 transitions. [2021-10-21 20:28:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1639 [2021-10-21 20:28:31,006 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:31,007 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:31,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:31,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-21 20:28:31,224 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:31,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:31,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1960867631, now seen corresponding path program 1 times [2021-10-21 20:28:31,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:31,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041541088] [2021-10-21 20:28:31,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:31,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4917 backedges. 3402 proven. 0 refuted. 0 times theorem prover too weak. 1515 trivial. 0 not checked. [2021-10-21 20:28:32,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:32,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041541088] [2021-10-21 20:28:32,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041541088] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:32,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:32,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:28:32,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322717408] [2021-10-21 20:28:32,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:32,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:32,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:32,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:32,113 INFO L87 Difference]: Start difference. First operand 15796 states and 16144 transitions. Second operand has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:32,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:32,884 INFO L93 Difference]: Finished difference Result 30932 states and 31624 transitions. [2021-10-21 20:28:32,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:32,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 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 1638 [2021-10-21 20:28:32,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:32,897 INFO L225 Difference]: With dead ends: 30932 [2021-10-21 20:28:32,897 INFO L226 Difference]: Without dead ends: 15796 [2021-10-21 20:28:32,904 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:32,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-10-21 20:28:33,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2021-10-21 20:28:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.021968977524533) internal successors, (16142), 15795 states have internal predecessors, (16142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16142 transitions. [2021-10-21 20:28:33,037 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16142 transitions. Word has length 1638 [2021-10-21 20:28:33,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:33,038 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16142 transitions. [2021-10-21 20:28:33,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.33333333333334) internal successors, (763), 3 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16142 transitions. [2021-10-21 20:28:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1871 [2021-10-21 20:28:33,070 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:33,071 INFO L512 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 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, 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, 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, 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] [2021-10-21 20:28:33,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 20:28:33,071 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:33,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:33,072 INFO L82 PathProgramCache]: Analyzing trace with hash 911851703, now seen corresponding path program 1 times [2021-10-21 20:28:33,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:33,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783863662] [2021-10-21 20:28:33,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:33,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6688 backedges. 3714 proven. 83 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2021-10-21 20:28:34,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:34,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783863662] [2021-10-21 20:28:34,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783863662] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:28:34,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830459126] [2021-10-21 20:28:34,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:34,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:34,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:34,047 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:28:34,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 20:28:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:36,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:28:36,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:40,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6688 backedges. 2077 proven. 0 refuted. 0 times theorem prover too weak. 4611 trivial. 0 not checked. [2021-10-21 20:28:40,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830459126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:40,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:28:40,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 20:28:40,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236286490] [2021-10-21 20:28:40,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:40,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:40,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:40,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:40,062 INFO L87 Difference]: Start difference. First operand 15796 states and 16142 transitions. Second operand has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:40,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:40,932 INFO L93 Difference]: Finished difference Result 31261 states and 31950 transitions. [2021-10-21 20:28:40,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:40,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 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 1870 [2021-10-21 20:28:40,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:40,946 INFO L225 Difference]: With dead ends: 31261 [2021-10-21 20:28:40,946 INFO L226 Difference]: Without dead ends: 15796 [2021-10-21 20:28:40,953 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1878 GetRequests, 1873 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 29.0ms TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:40,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-10-21 20:28:41,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 14480. [2021-10-21 20:28:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0181642378617308) internal successors, (14742), 14479 states have internal predecessors, (14742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14742 transitions. [2021-10-21 20:28:41,133 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14742 transitions. Word has length 1870 [2021-10-21 20:28:41,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:41,135 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14742 transitions. [2021-10-21 20:28:41,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:41,136 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14742 transitions. [2021-10-21 20:28:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2032 [2021-10-21 20:28:41,201 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:41,202 INFO L512 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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] [2021-10-21 20:28:41,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:41,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:41,416 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:41,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:41,416 INFO L82 PathProgramCache]: Analyzing trace with hash 2089004525, now seen corresponding path program 1 times [2021-10-21 20:28:41,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:41,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508957607] [2021-10-21 20:28:41,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:41,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8086 backedges. 3907 proven. 0 refuted. 0 times theorem prover too weak. 4179 trivial. 0 not checked. [2021-10-21 20:28:42,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:42,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508957607] [2021-10-21 20:28:42,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508957607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:42,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:42,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:28:42,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980513003] [2021-10-21 20:28:42,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:42,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:42,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:42,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:42,336 INFO L87 Difference]: Start difference. First operand 14480 states and 14742 transitions. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:43,321 INFO L93 Difference]: Finished difference Result 31919 states and 32492 transitions. [2021-10-21 20:28:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:43,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 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 2031 [2021-10-21 20:28:43,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:43,335 INFO L225 Difference]: With dead ends: 31919 [2021-10-21 20:28:43,336 INFO L226 Difference]: Without dead ends: 18099 [2021-10-21 20:28:43,342 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:43,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18099 states. [2021-10-21 20:28:43,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18099 to 15467. [2021-10-21 20:28:43,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15467 states, 15466 states have (on average 1.017586964955386) internal successors, (15738), 15466 states have internal predecessors, (15738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15467 states to 15467 states and 15738 transitions. [2021-10-21 20:28:43,569 INFO L78 Accepts]: Start accepts. Automaton has 15467 states and 15738 transitions. Word has length 2031 [2021-10-21 20:28:43,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:43,570 INFO L470 AbstractCegarLoop]: Abstraction has 15467 states and 15738 transitions. [2021-10-21 20:28:43,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 15467 states and 15738 transitions. [2021-10-21 20:28:43,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2073 [2021-10-21 20:28:43,605 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:43,606 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 4, 4, 4, 4, 4, 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, 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] [2021-10-21 20:28:43,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-21 20:28:43,607 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:43,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:43,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1544747558, now seen corresponding path program 1 times [2021-10-21 20:28:43,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:43,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593216557] [2021-10-21 20:28:43,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:43,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8859 backedges. 6276 proven. 140 refuted. 0 times theorem prover too weak. 2443 trivial. 0 not checked. [2021-10-21 20:28:44,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:44,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593216557] [2021-10-21 20:28:44,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593216557] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:28:44,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54358713] [2021-10-21 20:28:44,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:44,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:44,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:44,641 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:28:44,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 20:28:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:47,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 2419 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:28:47,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:51,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8859 backedges. 5156 proven. 0 refuted. 0 times theorem prover too weak. 3703 trivial. 0 not checked. [2021-10-21 20:28:51,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54358713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:51,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:28:51,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 20:28:51,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976967796] [2021-10-21 20:28:51,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:28:51,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:51,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:51,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:51,334 INFO L87 Difference]: Start difference. First operand 15467 states and 15738 transitions. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:52,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:52,567 INFO L93 Difference]: Finished difference Result 32248 states and 32818 transitions. [2021-10-21 20:28:52,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:52,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2072 [2021-10-21 20:28:52,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:28:52,581 INFO L225 Difference]: With dead ends: 32248 [2021-10-21 20:28:52,581 INFO L226 Difference]: Without dead ends: 17441 [2021-10-21 20:28:52,587 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2077 GetRequests, 2072 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 27.5ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:28:52,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-21 20:28:52,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 16454. [2021-10-21 20:28:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.016957393788367) internal successors, (16732), 16453 states have internal predecessors, (16732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16732 transitions. [2021-10-21 20:28:52,751 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16732 transitions. Word has length 2072 [2021-10-21 20:28:52,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:28:52,751 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16732 transitions. [2021-10-21 20:28:52,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:52,752 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16732 transitions. [2021-10-21 20:28:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2104 [2021-10-21 20:28:52,786 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:28:52,787 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 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] [2021-10-21 20:28:52,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:52,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:52,988 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:28:52,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:52,989 INFO L82 PathProgramCache]: Analyzing trace with hash 541325287, now seen corresponding path program 1 times [2021-10-21 20:28:52,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:52,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107057431] [2021-10-21 20:28:52,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:52,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9281 backedges. 6869 proven. 78 refuted. 0 times theorem prover too weak. 2334 trivial. 0 not checked. [2021-10-21 20:28:53,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:53,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107057431] [2021-10-21 20:28:53,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107057431] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:28:53,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307645089] [2021-10-21 20:28:53,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:53,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:28:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:53,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:28:53,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 20:28:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:57,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 2453 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:28:57,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:29:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9281 backedges. 767 proven. 0 refuted. 0 times theorem prover too weak. 8514 trivial. 0 not checked. [2021-10-21 20:29:00,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307645089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:29:00,973 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:29:00,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-10-21 20:29:00,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222641325] [2021-10-21 20:29:00,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:29:00,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:29:00,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:29:00,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:29:00,977 INFO L87 Difference]: Start difference. First operand 16454 states and 16732 transitions. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:29:02,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:29:02,145 INFO L93 Difference]: Finished difference Result 17772 states and 18058 transitions. [2021-10-21 20:29:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:29:02,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 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 2103 [2021-10-21 20:29:02,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:29:02,158 INFO L225 Difference]: With dead ends: 17772 [2021-10-21 20:29:02,158 INFO L226 Difference]: Without dead ends: 17441 [2021-10-21 20:29:02,160 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2108 GetRequests, 2103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 37.8ms TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:29:02,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states. [2021-10-21 20:29:02,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 16454. [2021-10-21 20:29:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16454 states, 16453 states have (on average 1.01677505622075) internal successors, (16729), 16453 states have internal predecessors, (16729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:29:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16454 states to 16454 states and 16729 transitions. [2021-10-21 20:29:02,310 INFO L78 Accepts]: Start accepts. Automaton has 16454 states and 16729 transitions. Word has length 2103 [2021-10-21 20:29:02,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:29:02,312 INFO L470 AbstractCegarLoop]: Abstraction has 16454 states and 16729 transitions. [2021-10-21 20:29:02,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:29:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 16454 states and 16729 transitions. [2021-10-21 20:29:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2194 [2021-10-21 20:29:02,350 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:29:02,351 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 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] [2021-10-21 20:29:02,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:29:02,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:29:02,552 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:29:02,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:29:02,553 INFO L82 PathProgramCache]: Analyzing trace with hash -2076164369, now seen corresponding path program 1 times [2021-10-21 20:29:02,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:29:02,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378639816] [2021-10-21 20:29:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:29:02,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:29:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:29:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10474 backedges. 831 proven. 0 refuted. 0 times theorem prover too weak. 9643 trivial. 0 not checked. [2021-10-21 20:29:03,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:29:03,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378639816] [2021-10-21 20:29:03,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378639816] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:29:03,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:29:03,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:29:03,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991378769] [2021-10-21 20:29:03,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:29:03,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:29:03,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:29:03,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:29:03,525 INFO L87 Difference]: Start difference. First operand 16454 states and 16729 transitions. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:29:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:29:04,052 INFO L93 Difference]: Finished difference Result 16464 states and 16739 transitions. [2021-10-21 20:29:04,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:29:04,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 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 2193 [2021-10-21 20:29:04,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:29:04,054 INFO L225 Difference]: With dead ends: 16464 [2021-10-21 20:29:04,054 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:29:04,058 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:29:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:29:04,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:29:04,059 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) [2021-10-21 20:29:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:29:04,059 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2193 [2021-10-21 20:29:04,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:29:04,059 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:29:04,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:29:04,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:29:04,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:29:04,062 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:29:04,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-21 20:29:04,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:29:04,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:04,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:04,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:04,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:29:06,492 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,492 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,492 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,492 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,493 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,494 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,494 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,494 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,494 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,494 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,494 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,494 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,494 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,495 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,496 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,497 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,498 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 20:29:06,498 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,498 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 20:29:06,498 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 20:29:06,498 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 87 ~a18~0))) (.cse3 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= ~a12~0 8)) (.cse12 (<= 7 ~a12~0))) (let ((.cse11 (<= ~a12~0 5)) (.cse15 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse2 (<= ~a12~0 6)) (.cse16 (<= ~a16~0 11)) (.cse14 (= ~a12~0 8)) (.cse8 (or (and .cse0 .cse3 .cse1 .cse12) (and .cse3 .cse1 .cse5 .cse12))) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse7 (= ~a12~0 9)) (.cse13 (not .cse3)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a18~0 132)) (.cse9 (<= ~a16~0 8)) (.cse17 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse6) (and .cse7 .cse8) (and .cse9 .cse7) (and .cse9 .cse10 .cse5) (and .cse11 .cse1) (and .cse1 .cse4 .cse5 .cse12 .cse13) (and .cse1 .cse14 .cse15) (and .cse2 .cse16 .cse6 (<= 6 ~a12~0)) (and .cse11 .cse4 .cse16) (and (= ~a16~0 8) (<= ~a12~0 7)) (and (< (div (+ ~a18~0 (- 137)) (- 299932)) 1) .cse8) (and .cse1 .cse5 .cse13 .cse16) (and .cse15 .cse13 .cse2 .cse16) (and .cse14 .cse8) (and .cse10 (= ~a15~0 3) .cse17) (and .cse9 .cse1) (and .cse7 .cse1 .cse13) (and .cse3 .cse6 .cse17) (and .cse9 .cse0 .cse4 .cse5) (and .cse9 .cse17)))) [2021-10-21 20:29:06,498 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,499 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,499 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,499 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,499 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,499 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,499 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,499 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,500 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,500 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,500 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 20:29:06,500 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 20:29:06,500 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,500 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 20:29:06,500 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,500 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,501 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,501 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,501 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,501 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,501 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,501 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,501 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,502 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,502 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,502 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,502 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,502 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,502 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,502 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,503 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,503 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 20:29:06,503 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,503 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 20:29:06,503 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 20:29:06,503 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,503 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,503 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,504 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,504 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,504 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,504 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,504 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,504 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,504 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,505 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,505 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 20:29:06,505 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 20:29:06,505 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,505 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 20:29:06,505 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,506 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 87 ~a18~0))) (.cse3 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= ~a12~0 8)) (.cse11 (<= 7 ~a12~0))) (let ((.cse10 (<= ~a12~0 5)) (.cse14 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse2 (<= ~a12~0 6)) (.cse15 (<= ~a16~0 11)) (.cse13 (= ~a12~0 8)) (.cse8 (or (and .cse0 .cse3 .cse1 .cse11) (and .cse3 .cse1 .cse5 .cse11))) (.cse7 (= ~a12~0 9)) (.cse12 (not .cse3)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a18~0 132)) (.cse9 (<= ~a16~0 8)) (.cse16 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse6) (and .cse7 .cse8) (and .cse9 .cse7) (and .cse9 (<= (+ ~a18~0 156) 0) .cse5) (and .cse10 .cse1) (and .cse1 .cse4 .cse5 .cse11 .cse12) (and .cse1 .cse13 .cse14) (and .cse2 .cse15 .cse6 (<= 6 ~a12~0)) (and .cse10 .cse4 .cse15) (and (= ~a16~0 8) (<= ~a12~0 7)) (and .cse1 .cse5 .cse12 .cse15) (and .cse14 .cse12 .cse2 .cse15) (and .cse13 .cse8) (and .cse9 .cse1) (and .cse0 .cse3 .cse1 .cse11 (< (div (+ ~a18~0 (- 137)) (- 299932)) 1)) (and .cse7 .cse1 .cse12) (and .cse3 .cse6 .cse16) (and .cse9 .cse0 .cse4 .cse5) (and .cse9 .cse16)))) [2021-10-21 20:29:06,506 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,506 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,506 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,506 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,506 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,506 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,507 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,507 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,507 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:29:06,507 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,507 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,507 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,507 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,507 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,508 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,508 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 20:29:06,508 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,508 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 20:29:06,508 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 20:29:06,508 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,508 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-10-21 20:29:06,509 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,509 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,509 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,509 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,509 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,509 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,509 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,509 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,510 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,510 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,510 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,510 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 20:29:06,510 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,510 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 20:29:06,510 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,511 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 20:29:06,511 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,511 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,511 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,511 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,511 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,511 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,511 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,512 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,512 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,512 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,512 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,512 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,512 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,512 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,512 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,513 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,513 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 20:29:06,513 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 20:29:06,513 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 20:29:06,513 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:29:06,513 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 215) no Hoare annotation was computed. [2021-10-21 20:29:06,514 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse0 (<= 0 (+ 87 ~a18~0))) (.cse3 (= ~a16~0 9)) (.cse1 (<= ~a15~0 3)) (.cse5 (<= ~a12~0 8)) (.cse12 (<= 7 ~a12~0))) (let ((.cse11 (<= ~a12~0 5)) (.cse15 (<= (+ (div ~a18~0 (- 2)) 79) 0)) (.cse2 (<= ~a12~0 6)) (.cse16 (<= ~a16~0 11)) (.cse14 (= ~a12~0 8)) (.cse8 (or (and .cse0 .cse3 .cse1 .cse12) (and .cse3 .cse1 .cse5 .cse12))) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse7 (= ~a12~0 9)) (.cse13 (not .cse3)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a18~0 132)) (.cse9 (<= ~a16~0 8)) (.cse17 (= 7 ~a12~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse6) (and .cse7 .cse8) (and .cse9 .cse7) (and .cse9 .cse10 .cse5) (and .cse11 .cse1) (and .cse1 .cse4 .cse5 .cse12 .cse13) (and .cse1 .cse14 .cse15) (and .cse2 .cse16 .cse6 (<= 6 ~a12~0)) (and .cse11 .cse4 .cse16) (and (= ~a16~0 8) (<= ~a12~0 7)) (and (< (div (+ ~a18~0 (- 137)) (- 299932)) 1) .cse8) (and .cse1 .cse5 .cse13 .cse16) (and .cse15 .cse13 .cse2 .cse16) (and .cse14 .cse8) (and .cse10 (= ~a15~0 3) .cse17) (and .cse9 .cse1) (and .cse7 .cse1 .cse13) (and .cse3 .cse6 .cse17) (and .cse9 .cse0 .cse4 .cse5) (and .cse9 .cse17)))) [2021-10-21 20:29:06,514 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,514 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,514 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,514 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,514 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,514 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,515 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,515 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,515 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,515 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,515 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,515 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,515 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,516 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,516 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 20:29:06,516 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,516 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 20:29:06,516 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 20:29:06,516 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,516 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,516 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,517 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,517 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,517 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,517 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,517 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,517 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,517 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,518 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,518 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,518 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-10-21 20:29:06,518 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,518 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,518 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,518 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,518 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,519 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 20:29:06,519 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 20:29:06,519 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 20:29:06,519 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,519 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,519 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,519 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,520 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,520 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,520 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,520 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,520 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,520 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,520 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,520 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,521 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,521 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 20:29:06,521 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,521 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 20:29:06,521 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 20:29:06,521 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,521 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,522 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,522 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,523 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,523 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,523 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,523 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,525 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,525 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,525 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,525 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,527 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,527 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,527 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 20:29:06,527 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 20:29:06,528 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 20:29:06,528 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,528 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,528 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,528 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,528 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,528 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,528 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,529 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,529 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,529 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,529 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,529 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,529 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,529 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,529 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 20:29:06,530 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,530 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 20:29:06,530 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 20:29:06,530 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,530 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,530 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,530 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,531 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,531 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,531 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,531 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,531 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,531 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,531 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,531 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,532 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,532 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,532 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-21 20:29:06,533 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 20:29:06,533 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 20:29:06,533 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,534 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,534 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,534 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,534 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,534 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,534 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,534 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,534 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,535 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,535 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,535 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,535 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,535 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,535 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:29:06,535 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,536 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 20:29:06,536 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 20:29:06,536 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,536 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,536 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,536 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,536 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,536 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,537 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,537 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,537 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,537 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,537 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,537 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,537 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 20:29:06,537 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 20:29:06,538 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,538 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,538 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,538 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,538 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,538 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,538 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,538 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,539 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,539 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,539 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,539 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,539 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,539 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,539 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,540 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,540 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 20:29:06,540 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 20:29:06,540 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,540 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,540 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,540 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,540 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,541 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,541 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,541 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,541 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,541 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:29:06,541 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,541 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,541 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 20:29:06,542 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 20:29:06,542 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,542 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,542 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,542 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,542 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,542 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,542 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,543 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,543 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,543 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,543 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,543 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,543 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,543 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,543 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,544 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,544 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,544 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 20:29:06,544 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 20:29:06,544 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,544 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,544 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,545 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,545 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,545 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,546 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-10-21 20:29:06,546 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,546 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,546 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,546 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-10-21 20:29:06,546 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-10-21 20:29:06,546 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,546 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,547 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-10-21 20:29:06,547 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 20:29:06,547 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 20:29:06,547 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 20:29:06,551 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:29:06,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:29:06 BoogieIcfgContainer [2021-10-21 20:29:06,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:29:06,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:29:06,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:29:06,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:29:06,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:34" (3/4) ... [2021-10-21 20:29:06,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:29:06,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 20:29:06,657 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:29:06,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:29:06,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:29:06,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:29:06,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:29:06,930 INFO L168 Benchmark]: Toolchain (without parser) took 96214.22 ms. Allocated memory was 111.1 MB in the beginning and 3.7 GB in the end (delta: 3.6 GB). Free memory was 68.9 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-10-21 20:29:06,930 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 111.1 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:29:06,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1188.32 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 68.7 MB in the beginning and 94.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:06,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.19 ms. Allocated memory is still 138.4 MB. Free memory was 94.0 MB in the beginning and 70.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:06,932 INFO L168 Benchmark]: Boogie Preprocessor took 173.12 ms. Allocated memory is still 138.4 MB. Free memory was 70.2 MB in the beginning and 57.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:06,932 INFO L168 Benchmark]: RCFGBuilder took 2617.02 ms. Allocated memory was 138.4 MB in the beginning and 220.2 MB in the end (delta: 81.8 MB). Free memory was 57.1 MB in the beginning and 132.2 MB in the end (delta: -75.0 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:06,933 INFO L168 Benchmark]: TraceAbstraction took 91735.13 ms. Allocated memory was 220.2 MB in the beginning and 3.7 GB in the end (delta: 3.4 GB). Free memory was 131.1 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2021-10-21 20:29:06,933 INFO L168 Benchmark]: Witness Printer took 322.96 ms. Allocated memory is still 3.7 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:29:06,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 111.1 MB. Free memory is still 89.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1188.32 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 68.7 MB in the beginning and 94.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.19 ms. Allocated memory is still 138.4 MB. Free memory was 94.0 MB in the beginning and 70.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 173.12 ms. Allocated memory is still 138.4 MB. Free memory was 70.2 MB in the beginning and 57.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2617.02 ms. Allocated memory was 138.4 MB in the beginning and 220.2 MB in the end (delta: 81.8 MB). Free memory was 57.1 MB in the beginning and 132.2 MB in the end (delta: -75.0 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 91735.13 ms. Allocated memory was 220.2 MB in the beginning and 3.7 GB in the end (delta: 3.4 GB). Free memory was 131.1 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. * Witness Printer took 322.96 ms. Allocated memory is still 3.7 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 38.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 215]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 91610.3ms, OverallIterations: 24, TraceHistogramMax: 14, EmptinessCheckTime: 604.2ms, AutomataDifference: 28768.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2429.5ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6575 SDtfs, 5264 SDslu, 150 SDs, 0 SdLazy, 20177 SolverSat, 2538 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20644.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11883 GetRequests, 11822 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 369.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17770occurred in iteration=11, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4351.9ms AutomataMinimizationTime, 24 MinimizatonAttempts, 11848 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 177 NumberOfFragments, 934 HoareAnnotationTreeSize, 4 FomulaSimplifications, 8952 FormulaSimplificationTreeSizeReduction, 476.6ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 3981 FormulaSimplificationTreeSizeReductionInter, 1941.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1344.8ms SsaConstructionTime, 4314.2ms SatisfiabilityAnalysisTime, 37186.5ms InterpolantComputationTime, 39908 NumberOfCodeBlocks, 39908 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 39876 ConstructedInterpolants, 0 QuantifiedInterpolants, 94492 SizeOfPredicates, 1 NumberOfNonLiveVariables, 13956 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 32 InterpolantComputations, 24 PerfectInterpolantSequences, 125825/126695 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: 1504]: Loop Invariant Derived loop invariant: (((((((((((((((((((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((a12 <= 5 && a18 <= 132) && a16 <= 11)) || (a16 == 8 && a12 <= 7)) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || (a12 == 8 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (a16 <= 8 && a15 <= 3)) || ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) && (a18 + -137) / -299932 < 1)) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((a12 <= 5 && a18 <= 132) && a16 <= 11)) || (a16 == 8 && a12 <= 7)) || ((a18 + -137) / -299932 < 1 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || (a12 == 8 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || ((a18 + 156 <= 0 && a15 == 3) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((0 <= 87 + a18 && a15 <= 3) && a12 <= 6) || (((a16 == 9 && a18 <= 132) && a12 <= 8) && 4 <= a15)) || ((a12 == 9 && a16 == 9) && 4 <= a15)) || (a12 == 9 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (a16 <= 8 && a12 == 9)) || ((a16 <= 8 && a18 + 156 <= 0) && a12 <= 8)) || (a12 <= 5 && a15 <= 3)) || ((((a15 <= 3 && a18 <= 132) && a12 <= 8) && 7 <= a12) && !(a16 == 9))) || ((a15 <= 3 && a12 == 8) && a18 / -2 + 79 <= 0)) || (((a12 <= 6 && a16 <= 11) && 4 <= a15) && 6 <= a12)) || ((a12 <= 5 && a18 <= 132) && a16 <= 11)) || (a16 == 8 && a12 <= 7)) || ((a18 + -137) / -299932 < 1 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || (((a15 <= 3 && a12 <= 8) && !(a16 == 9)) && a16 <= 11)) || (((a18 / -2 + 79 <= 0 && !(a16 == 9)) && a12 <= 6) && a16 <= 11)) || (a12 == 8 && ((((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && 7 <= a12) || (((a16 == 9 && a15 <= 3) && a12 <= 8) && 7 <= a12)))) || ((a18 + 156 <= 0 && a15 == 3) && 7 == a12)) || (a16 <= 8 && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && !(a16 == 9))) || ((a16 == 9 && 4 <= a15) && 7 == a12)) || (((a16 <= 8 && 0 <= 87 + a18) && a18 <= 132) && a12 <= 8)) || (a16 <= 8 && 7 == a12) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:29:06,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f0219b-e90c-4c24-8870-48fb8e1c0ed4/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...