./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro --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 0f8565bc5543801b18fd72f9af86ccf360a9fe950b021c6b04fc8ab7186c8456 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:40:25,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:40:25,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:40:25,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:40:25,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:40:25,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:40:25,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:40:25,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:40:25,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:40:25,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:40:25,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:40:25,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:40:25,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:40:25,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:40:25,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:40:25,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:40:25,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:40:25,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:40:25,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:40:25,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:40:25,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:40:25,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:40:25,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:40:25,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:40:25,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:40:25,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:40:25,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:40:25,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:40:25,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:40:25,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:40:25,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:40:25,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:40:25,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:40:25,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:40:25,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:40:25,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:40:25,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:40:25,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:40:25,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:40:25,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:40:25,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:40:25,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:40:25,618 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:40:25,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:40:25,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:40:25,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:40:25,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:40:25,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:40:25,621 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:40:25,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:40:25,622 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:40:25,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:40:25,622 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:40:25,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:40:25,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:40:25,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:40:25,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:40:25,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:40:25,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:40:25,624 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:40:25,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:40:25,625 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:40:25,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:40:25,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:40:25,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:40:25,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:40:25,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:40:25,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:40:25,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:40:25,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:40:25,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:40:25,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:40:25,628 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:40:25,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:40:25,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:40:25,629 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_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f8565bc5543801b18fd72f9af86ccf360a9fe950b021c6b04fc8ab7186c8456 [2022-11-18 20:40:25,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:40:25,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:40:25,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:40:25,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:40:25,980 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:40:25,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/eca-rers2012/Problem15_label52.c [2022-11-18 20:40:26,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/data/5a663c83e/67fd9327fefe4e38977521dc62634939/FLAGd3eeaea0c [2022-11-18 20:40:26,830 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:40:26,831 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/sv-benchmarks/c/eca-rers2012/Problem15_label52.c [2022-11-18 20:40:26,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/data/5a663c83e/67fd9327fefe4e38977521dc62634939/FLAGd3eeaea0c [2022-11-18 20:40:26,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/data/5a663c83e/67fd9327fefe4e38977521dc62634939 [2022-11-18 20:40:26,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:40:26,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:40:26,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:40:26,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:40:26,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:40:26,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:40:26" (1/1) ... [2022-11-18 20:40:26,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed2fc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:26, skipping insertion in model container [2022-11-18 20:40:26,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:40:26" (1/1) ... [2022-11-18 20:40:26,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:40:27,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:40:27,411 WARN L234 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_1252a582-b896-4103-8081-48e8325275af/sv-benchmarks/c/eca-rers2012/Problem15_label52.c[4872,4885] [2022-11-18 20:40:27,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:40:28,015 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:40:28,048 WARN L234 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_1252a582-b896-4103-8081-48e8325275af/sv-benchmarks/c/eca-rers2012/Problem15_label52.c[4872,4885] [2022-11-18 20:40:28,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:40:28,392 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:40:28,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28 WrapperNode [2022-11-18 20:40:28,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:40:28,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:40:28,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:40:28,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:40:28,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,692 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-11-18 20:40:28,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:40:28,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:40:28,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:40:28,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:40:28,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,874 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:40:28,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:40:28,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:40:28,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:40:28,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (1/1) ... [2022-11-18 20:40:28,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:40:28,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:28,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:29,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:40:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:40:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:40:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:40:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:40:29,159 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:40:29,161 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:40:32,478 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:40:32,497 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:40:32,497 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:40:32,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:32 BoogieIcfgContainer [2022-11-18 20:40:32,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:40:32,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:40:32,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:40:32,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:40:32,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:40:26" (1/3) ... [2022-11-18 20:40:32,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1beb5614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:32, skipping insertion in model container [2022-11-18 20:40:32,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:28" (2/3) ... [2022-11-18 20:40:32,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1beb5614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:32, skipping insertion in model container [2022-11-18 20:40:32,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:32" (3/3) ... [2022-11-18 20:40:32,512 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label52.c [2022-11-18 20:40:32,530 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:40:32,530 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:40:32,626 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:40:32,632 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38d8b6bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:40:32,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:40:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 20:40:32,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:32,653 INFO L195 NwaCegarLoop]: 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] [2022-11-18 20:40:32,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:32,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2022-11-18 20:40:32,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:32,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584456744] [2022-11-18 20:40:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:32,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:33,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:33,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584456744] [2022-11-18 20:40:33,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584456744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:33,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:33,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:40:33,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853601525] [2022-11-18 20:40:33,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:33,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:33,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:33,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:33,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:33,089 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:36,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:36,028 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-11-18 20:40:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:36,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-18 20:40:36,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:36,046 INFO L225 Difference]: With dead ends: 1154 [2022-11-18 20:40:36,046 INFO L226 Difference]: Without dead ends: 665 [2022-11-18 20:40:36,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:36,054 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 282 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:36,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-18 20:40:36,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-11-18 20:40:36,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-11-18 20:40:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-11-18 20:40:36,125 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 39 [2022-11-18 20:40:36,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:36,126 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-11-18 20:40:36,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-11-18 20:40:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-18 20:40:36,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:36,130 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:36,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:40:36,131 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:36,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2072578409, now seen corresponding path program 1 times [2022-11-18 20:40:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:36,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801310314] [2022-11-18 20:40:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:36,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:36,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:36,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801310314] [2022-11-18 20:40:36,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801310314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:36,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:36,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:40:36,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380099222] [2022-11-18 20:40:36,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:36,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:36,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:36,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:36,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:36,673 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:38,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:38,726 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-11-18 20:40:38,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:38,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-11-18 20:40:38,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:38,731 INFO L225 Difference]: With dead ends: 1624 [2022-11-18 20:40:38,732 INFO L226 Difference]: Without dead ends: 963 [2022-11-18 20:40:38,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:38,735 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:38,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-18 20:40:38,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-11-18 20:40:38,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-11-18 20:40:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-11-18 20:40:38,773 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 104 [2022-11-18 20:40:38,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:38,774 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-11-18 20:40:38,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:38,774 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-11-18 20:40:38,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-18 20:40:38,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:38,778 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:38,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:40:38,778 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:38,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:38,779 INFO L85 PathProgramCache]: Analyzing trace with hash 310857094, now seen corresponding path program 1 times [2022-11-18 20:40:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:38,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192093494] [2022-11-18 20:40:38,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:38,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:39,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:39,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192093494] [2022-11-18 20:40:39,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192093494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:39,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:39,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:40:39,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022593824] [2022-11-18 20:40:39,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:39,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:40:39,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:39,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:40:39,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:40:39,098 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:42,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:42,125 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-11-18 20:40:42,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:40:42,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-11-18 20:40:42,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:42,131 INFO L225 Difference]: With dead ends: 2244 [2022-11-18 20:40:42,132 INFO L226 Difference]: Without dead ends: 1582 [2022-11-18 20:40:42,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:40:42,134 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 362 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:42,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 365 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-18 20:40:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-11-18 20:40:42,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-11-18 20:40:42,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2022-11-18 20:40:42,169 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 109 [2022-11-18 20:40:42,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:42,169 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2022-11-18 20:40:42,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.8) internal successors, (109), 4 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:42,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2022-11-18 20:40:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-18 20:40:42,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:42,176 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:40:42,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:40:42,176 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:42,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:42,177 INFO L85 PathProgramCache]: Analyzing trace with hash -793515486, now seen corresponding path program 1 times [2022-11-18 20:40:42,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:42,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172335545] [2022-11-18 20:40:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:42,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:42,487 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:42,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:42,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172335545] [2022-11-18 20:40:42,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172335545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:42,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:42,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:40:42,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558170275] [2022-11-18 20:40:42,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:42,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:40:42,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:42,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:40:42,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:40:42,492 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 51.25) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:46,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:46,386 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions. [2022-11-18 20:40:46,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:40:46,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-11-18 20:40:46,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:46,400 INFO L225 Difference]: With dead ends: 4670 [2022-11-18 20:40:46,400 INFO L226 Difference]: Without dead ends: 3406 [2022-11-18 20:40:46,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:40:46,404 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 490 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1955 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 2239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:46,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 348 Invalid, 2239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1955 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-18 20:40:46,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2022-11-18 20:40:46,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2022-11-18 20:40:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2366863905325445) internal successors, (4180), 3380 states have internal predecessors, (4180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:46,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4180 transitions. [2022-11-18 20:40:46,512 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4180 transitions. Word has length 205 [2022-11-18 20:40:46,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:46,513 INFO L495 AbstractCegarLoop]: Abstraction has 3381 states and 4180 transitions. [2022-11-18 20:40:46,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 51.25) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:46,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4180 transitions. [2022-11-18 20:40:46,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-18 20:40:46,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:46,517 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:40:46,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:40:46,517 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:46,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:46,518 INFO L85 PathProgramCache]: Analyzing trace with hash -792100692, now seen corresponding path program 1 times [2022-11-18 20:40:46,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:46,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147225779] [2022-11-18 20:40:46,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:46,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-18 20:40:46,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:46,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147225779] [2022-11-18 20:40:46,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147225779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:46,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:46,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:40:46,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243863198] [2022-11-18 20:40:46,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:46,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:46,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:46,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:46,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:46,745 INFO L87 Difference]: Start difference. First operand 3381 states and 4180 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:48,655 INFO L93 Difference]: Finished difference Result 8563 states and 10754 transitions. [2022-11-18 20:40:48,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:48,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-11-18 20:40:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:48,682 INFO L225 Difference]: With dead ends: 8563 [2022-11-18 20:40:48,683 INFO L226 Difference]: Without dead ends: 5483 [2022-11-18 20:40:48,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:48,692 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:48,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-18 20:40:48,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-11-18 20:40:48,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2022-11-18 20:40:48,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.16870549570933) internal successors, (6401), 5477 states have internal predecessors, (6401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:48,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6401 transitions. [2022-11-18 20:40:48,845 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6401 transitions. Word has length 209 [2022-11-18 20:40:48,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:48,846 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6401 transitions. [2022-11-18 20:40:48,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:48,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6401 transitions. [2022-11-18 20:40:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-11-18 20:40:48,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:48,860 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:48,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:40:48,862 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:48,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:48,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1757201092, now seen corresponding path program 1 times [2022-11-18 20:40:48,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:48,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421043746] [2022-11-18 20:40:48,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:48,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 20:40:49,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:49,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421043746] [2022-11-18 20:40:49,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421043746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:49,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:49,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:40:49,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461345475] [2022-11-18 20:40:49,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:49,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:49,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:49,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:49,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:49,623 INFO L87 Difference]: Start difference. First operand 5478 states and 6401 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:51,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:51,734 INFO L93 Difference]: Finished difference Result 10655 states and 12489 transitions. [2022-11-18 20:40:51,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:51,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 311 [2022-11-18 20:40:51,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:51,753 INFO L225 Difference]: With dead ends: 10655 [2022-11-18 20:40:51,753 INFO L226 Difference]: Without dead ends: 5478 [2022-11-18 20:40:51,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:51,760 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:51,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-18 20:40:51,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-11-18 20:40:51,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2022-11-18 20:40:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1676100054774512) internal successors, (6395), 5477 states have internal predecessors, (6395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:51,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6395 transitions. [2022-11-18 20:40:51,875 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6395 transitions. Word has length 311 [2022-11-18 20:40:51,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:51,876 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6395 transitions. [2022-11-18 20:40:51,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6395 transitions. [2022-11-18 20:40:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-18 20:40:51,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:51,882 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:51,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:40:51,883 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:51,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:51,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1941377461, now seen corresponding path program 1 times [2022-11-18 20:40:51,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:51,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605947055] [2022-11-18 20:40:51,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:51,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:52,147 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-18 20:40:52,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:52,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605947055] [2022-11-18 20:40:52,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605947055] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:52,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:52,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:40:52,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633510520] [2022-11-18 20:40:52,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:52,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:52,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:52,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:52,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:52,150 INFO L87 Difference]: Start difference. First operand 5478 states and 6395 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:54,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:54,726 INFO L93 Difference]: Finished difference Result 11851 states and 14151 transitions. [2022-11-18 20:40:54,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:54,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 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 326 [2022-11-18 20:40:54,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:54,747 INFO L225 Difference]: With dead ends: 11851 [2022-11-18 20:40:54,748 INFO L226 Difference]: Without dead ends: 6674 [2022-11-18 20:40:54,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:40:54,754 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 276 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:54,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-18 20:40:54,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-18 20:40:54,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4876. [2022-11-18 20:40:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4876 states, 4875 states have (on average 1.1805128205128206) internal successors, (5755), 4875 states have internal predecessors, (5755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4876 states and 5755 transitions. [2022-11-18 20:40:54,869 INFO L78 Accepts]: Start accepts. Automaton has 4876 states and 5755 transitions. Word has length 326 [2022-11-18 20:40:54,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:54,870 INFO L495 AbstractCegarLoop]: Abstraction has 4876 states and 5755 transitions. [2022-11-18 20:40:54,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 5755 transitions. [2022-11-18 20:40:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-18 20:40:54,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:54,879 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:54,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:40:54,879 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:54,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:54,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1988464242, now seen corresponding path program 1 times [2022-11-18 20:40:54,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:54,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605889933] [2022-11-18 20:40:54,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:54,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 73 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:56,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:56,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605889933] [2022-11-18 20:40:56,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605889933] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:40:56,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970665465] [2022-11-18 20:40:56,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:56,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:40:56,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:56,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:40:56,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:40:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:56,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:40:56,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:57,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:40:57,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970665465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:57,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:40:57,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-18 20:40:57,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209199317] [2022-11-18 20:40:57,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:57,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:40:57,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:57,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:40:57,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:40:57,029 INFO L87 Difference]: Start difference. First operand 4876 states and 5755 transitions. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:59,602 INFO L93 Difference]: Finished difference Result 11855 states and 14250 transitions. [2022-11-18 20:40:59,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:40:59,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 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 [2022-11-18 20:40:59,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:59,639 INFO L225 Difference]: With dead ends: 11855 [2022-11-18 20:40:59,639 INFO L226 Difference]: Without dead ends: 7280 [2022-11-18 20:40:59,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:40:59,646 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 249 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:59,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 345 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-18 20:40:59,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7280 states. [2022-11-18 20:40:59,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7280 to 6679. [2022-11-18 20:40:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6679 states, 6678 states have (on average 1.1647199760407307) internal successors, (7778), 6678 states have internal predecessors, (7778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6679 states to 6679 states and 7778 transitions. [2022-11-18 20:40:59,793 INFO L78 Accepts]: Start accepts. Automaton has 6679 states and 7778 transitions. Word has length 385 [2022-11-18 20:40:59,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:59,793 INFO L495 AbstractCegarLoop]: Abstraction has 6679 states and 7778 transitions. [2022-11-18 20:40:59,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 6679 states and 7778 transitions. [2022-11-18 20:40:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-11-18 20:40:59,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:59,803 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:59,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 20:41:00,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:00,009 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:00,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1876663847, now seen corresponding path program 1 times [2022-11-18 20:41:00,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:00,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803432021] [2022-11-18 20:41:00,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:00,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:00,742 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 275 proven. 39 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 20:41:00,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:00,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803432021] [2022-11-18 20:41:00,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803432021] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:41:00,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664142041] [2022-11-18 20:41:00,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:00,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:00,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:00,746 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:41:00,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:41:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:00,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:41:00,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 275 proven. 39 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 20:41:01,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:41:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 275 proven. 39 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 20:41:02,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664142041] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:41:02,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:41:02,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-18 20:41:02,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814426965] [2022-11-18 20:41:02,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:41:02,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:41:02,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:02,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:41:02,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:41:02,682 INFO L87 Difference]: Start difference. First operand 6679 states and 7778 transitions. Second operand has 9 states, 9 states have (on average 72.66666666666667) internal successors, (654), 8 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:11,251 INFO L93 Difference]: Finished difference Result 19597 states and 22611 transitions. [2022-11-18 20:41:11,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:41:11,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 72.66666666666667) internal successors, (654), 8 states have internal predecessors, (654), 0 states have call successors, (0), 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 402 [2022-11-18 20:41:11,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:11,269 INFO L225 Difference]: With dead ends: 19597 [2022-11-18 20:41:11,269 INFO L226 Difference]: Without dead ends: 7876 [2022-11-18 20:41:11,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 813 GetRequests, 798 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:41:11,278 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 2438 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 7078 mSolverCounterSat, 654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2438 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 7732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 7078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:11,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2438 Valid, 335 Invalid, 7732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 7078 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-18 20:41:11,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7876 states. [2022-11-18 20:41:11,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7876 to 6976. [2022-11-18 20:41:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6976 states, 6975 states have (on average 1.1105376344086022) internal successors, (7746), 6975 states have internal predecessors, (7746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6976 states to 6976 states and 7746 transitions. [2022-11-18 20:41:11,394 INFO L78 Accepts]: Start accepts. Automaton has 6976 states and 7746 transitions. Word has length 402 [2022-11-18 20:41:11,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:11,394 INFO L495 AbstractCegarLoop]: Abstraction has 6976 states and 7746 transitions. [2022-11-18 20:41:11,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 72.66666666666667) internal successors, (654), 8 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 6976 states and 7746 transitions. [2022-11-18 20:41:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-11-18 20:41:11,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:11,403 INFO L195 NwaCegarLoop]: 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:11,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-18 20:41:11,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-18 20:41:11,608 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:11,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:11,609 INFO L85 PathProgramCache]: Analyzing trace with hash 429176728, now seen corresponding path program 1 times [2022-11-18 20:41:11,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:11,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503047777] [2022-11-18 20:41:11,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:11,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-18 20:41:12,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:12,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503047777] [2022-11-18 20:41:12,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503047777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:12,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:12,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:41:12,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904387950] [2022-11-18 20:41:12,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:12,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:12,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:12,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:12,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:12,010 INFO L87 Difference]: Start difference. First operand 6976 states and 7746 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:13,593 INFO L93 Difference]: Finished difference Result 15446 states and 17263 transitions. [2022-11-18 20:41:13,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:13,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 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 416 [2022-11-18 20:41:13,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:13,609 INFO L225 Difference]: With dead ends: 15446 [2022-11-18 20:41:13,609 INFO L226 Difference]: Without dead ends: 8472 [2022-11-18 20:41:13,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:13,616 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 287 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:13,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 554 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-18 20:41:13,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8472 states. [2022-11-18 20:41:13,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8472 to 8171. [2022-11-18 20:41:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8170 states have (on average 1.088984088127295) internal successors, (8897), 8170 states have internal predecessors, (8897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 8897 transitions. [2022-11-18 20:41:13,746 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 8897 transitions. Word has length 416 [2022-11-18 20:41:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:13,747 INFO L495 AbstractCegarLoop]: Abstraction has 8171 states and 8897 transitions. [2022-11-18 20:41:13,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 8897 transitions. [2022-11-18 20:41:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2022-11-18 20:41:13,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:13,752 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:13,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:41:13,752 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:13,753 INFO L85 PathProgramCache]: Analyzing trace with hash 806528277, now seen corresponding path program 1 times [2022-11-18 20:41:13,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:13,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623007713] [2022-11-18 20:41:13,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:13,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-18 20:41:14,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:14,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623007713] [2022-11-18 20:41:14,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623007713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:14,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:14,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:41:14,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748191485] [2022-11-18 20:41:14,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:14,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:14,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:14,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:14,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:14,497 INFO L87 Difference]: Start difference. First operand 8171 states and 8897 transitions. Second operand has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:15,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:15,881 INFO L93 Difference]: Finished difference Result 18736 states and 20446 transitions. [2022-11-18 20:41:15,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:15,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 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 513 [2022-11-18 20:41:15,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:15,900 INFO L225 Difference]: With dead ends: 18736 [2022-11-18 20:41:15,900 INFO L226 Difference]: Without dead ends: 10567 [2022-11-18 20:41:15,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:15,909 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 244 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:15,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 512 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 20:41:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10567 states. [2022-11-18 20:41:16,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10567 to 10567. [2022-11-18 20:41:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10567 states, 10566 states have (on average 1.0712663259511641) internal successors, (11319), 10566 states have internal predecessors, (11319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:16,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 11319 transitions. [2022-11-18 20:41:16,069 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 11319 transitions. Word has length 513 [2022-11-18 20:41:16,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:16,070 INFO L495 AbstractCegarLoop]: Abstraction has 10567 states and 11319 transitions. [2022-11-18 20:41:16,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:16,071 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 11319 transitions. [2022-11-18 20:41:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-11-18 20:41:16,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:16,075 INFO L195 NwaCegarLoop]: 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:16,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:41:16,076 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:16,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:16,077 INFO L85 PathProgramCache]: Analyzing trace with hash -828305129, now seen corresponding path program 1 times [2022-11-18 20:41:16,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:16,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090055204] [2022-11-18 20:41:16,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:16,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:16,772 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-18 20:41:16,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:16,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090055204] [2022-11-18 20:41:16,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090055204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:16,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:16,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:41:16,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242879479] [2022-11-18 20:41:16,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:16,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:16,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:16,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:16,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:16,775 INFO L87 Difference]: Start difference. First operand 10567 states and 11319 transitions. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:18,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:18,330 INFO L93 Difference]: Finished difference Result 25617 states and 27608 transitions. [2022-11-18 20:41:18,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:18,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 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 540 [2022-11-18 20:41:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:18,356 INFO L225 Difference]: With dead ends: 25617 [2022-11-18 20:41:18,357 INFO L226 Difference]: Without dead ends: 15351 [2022-11-18 20:41:18,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:18,367 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 248 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:18,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 128 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 20:41:18,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15351 states. [2022-11-18 20:41:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15351 to 14454. [2022-11-18 20:41:18,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14454 states, 14453 states have (on average 1.0723725178163703) internal successors, (15499), 14453 states have internal predecessors, (15499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14454 states to 14454 states and 15499 transitions. [2022-11-18 20:41:18,583 INFO L78 Accepts]: Start accepts. Automaton has 14454 states and 15499 transitions. Word has length 540 [2022-11-18 20:41:18,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:18,584 INFO L495 AbstractCegarLoop]: Abstraction has 14454 states and 15499 transitions. [2022-11-18 20:41:18,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 14454 states and 15499 transitions. [2022-11-18 20:41:18,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2022-11-18 20:41:18,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:18,595 INFO L195 NwaCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:18,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:41:18,595 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:18,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1301515125, now seen corresponding path program 1 times [2022-11-18 20:41:18,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:18,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086675850] [2022-11-18 20:41:18,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 445 proven. 119 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-18 20:41:20,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:20,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086675850] [2022-11-18 20:41:20,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086675850] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:41:20,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256520204] [2022-11-18 20:41:20,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:20,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:20,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:20,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:41:20,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 20:41:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:20,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:41:20,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:24,362 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 445 proven. 150 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-18 20:41:24,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:41:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2022-11-18 20:41:24,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256520204] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 20:41:24,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:41:24,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-18 20:41:24,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706252788] [2022-11-18 20:41:24,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:24,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:24,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:24,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:24,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:41:24,685 INFO L87 Difference]: Start difference. First operand 14454 states and 15499 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:26,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:26,268 INFO L93 Difference]: Finished difference Result 33699 states and 36198 transitions. [2022-11-18 20:41:26,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:26,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 685 [2022-11-18 20:41:26,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:26,302 INFO L225 Difference]: With dead ends: 33699 [2022-11-18 20:41:26,302 INFO L226 Difference]: Without dead ends: 19247 [2022-11-18 20:41:26,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1373 GetRequests, 1366 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:41:26,314 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 306 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:26,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 431 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 20:41:26,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19247 states. [2022-11-18 20:41:26,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19247 to 18041. [2022-11-18 20:41:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18041 states, 18040 states have (on average 1.0663525498891353) internal successors, (19237), 18040 states have internal predecessors, (19237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18041 states to 18041 states and 19237 transitions. [2022-11-18 20:41:26,570 INFO L78 Accepts]: Start accepts. Automaton has 18041 states and 19237 transitions. Word has length 685 [2022-11-18 20:41:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:26,571 INFO L495 AbstractCegarLoop]: Abstraction has 18041 states and 19237 transitions. [2022-11-18 20:41:26,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 18041 states and 19237 transitions. [2022-11-18 20:41:26,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2022-11-18 20:41:26,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:26,580 INFO L195 NwaCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:26,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-18 20:41:26,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:26,786 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:26,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:26,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1831700796, now seen corresponding path program 1 times [2022-11-18 20:41:26,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:26,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065691168] [2022-11-18 20:41:26,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:26,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 547 proven. 74 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-18 20:41:28,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:28,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065691168] [2022-11-18 20:41:28,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065691168] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:41:28,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263979226] [2022-11-18 20:41:28,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:28,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:28,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:28,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:41:28,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 20:41:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:28,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:41:28,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:29,462 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 545 proven. 76 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-18 20:41:29,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:41:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 470 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-11-18 20:41:30,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263979226] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 20:41:30,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:41:30,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 8 [2022-11-18 20:41:30,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808364128] [2022-11-18 20:41:30,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:30,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:30,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:30,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:30,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:41:30,642 INFO L87 Difference]: Start difference. First operand 18041 states and 19237 transitions. Second operand has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:32,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:32,223 INFO L93 Difference]: Finished difference Result 39674 states and 42398 transitions. [2022-11-18 20:41:32,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:32,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 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 698 [2022-11-18 20:41:32,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:32,255 INFO L225 Difference]: With dead ends: 39674 [2022-11-18 20:41:32,255 INFO L226 Difference]: Without dead ends: 21635 [2022-11-18 20:41:32,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1400 GetRequests, 1394 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:41:32,264 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 227 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:32,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 88 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-18 20:41:32,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21635 states. [2022-11-18 20:41:32,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21635 to 20733. [2022-11-18 20:41:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20733 states, 20732 states have (on average 1.0679625699401891) internal successors, (22141), 20732 states have internal predecessors, (22141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20733 states to 20733 states and 22141 transitions. [2022-11-18 20:41:32,563 INFO L78 Accepts]: Start accepts. Automaton has 20733 states and 22141 transitions. Word has length 698 [2022-11-18 20:41:32,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:32,564 INFO L495 AbstractCegarLoop]: Abstraction has 20733 states and 22141 transitions. [2022-11-18 20:41:32,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.33333333333334) internal successors, (436), 3 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 20733 states and 22141 transitions. [2022-11-18 20:41:32,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2022-11-18 20:41:32,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:32,577 INFO L195 NwaCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:32,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:32,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:32,789 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:32,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:32,789 INFO L85 PathProgramCache]: Analyzing trace with hash -554604450, now seen corresponding path program 1 times [2022-11-18 20:41:32,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:32,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051001642] [2022-11-18 20:41:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:32,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2022-11-18 20:41:33,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:33,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051001642] [2022-11-18 20:41:33,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051001642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:33,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:33,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:41:33,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883785924] [2022-11-18 20:41:33,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:33,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:33,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:33,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:33,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:33,703 INFO L87 Difference]: Start difference. First operand 20733 states and 22141 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:34,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:34,996 INFO L93 Difference]: Finished difference Result 43565 states and 46452 transitions. [2022-11-18 20:41:34,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:34,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 710 [2022-11-18 20:41:34,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:35,023 INFO L225 Difference]: With dead ends: 43565 [2022-11-18 20:41:35,024 INFO L226 Difference]: Without dead ends: 22834 [2022-11-18 20:41:35,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:35,039 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 270 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:35,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 520 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:41:35,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22834 states. [2022-11-18 20:41:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22834 to 21635. [2022-11-18 20:41:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21635 states, 21634 states have (on average 1.0658223167236758) internal successors, (23058), 21634 states have internal predecessors, (23058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21635 states to 21635 states and 23058 transitions. [2022-11-18 20:41:35,353 INFO L78 Accepts]: Start accepts. Automaton has 21635 states and 23058 transitions. Word has length 710 [2022-11-18 20:41:35,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:35,354 INFO L495 AbstractCegarLoop]: Abstraction has 21635 states and 23058 transitions. [2022-11-18 20:41:35,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 21635 states and 23058 transitions. [2022-11-18 20:41:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2022-11-18 20:41:35,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:35,365 INFO L195 NwaCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:35,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:41:35,366 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:35,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:35,366 INFO L85 PathProgramCache]: Analyzing trace with hash 355388179, now seen corresponding path program 1 times [2022-11-18 20:41:35,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:35,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931530255] [2022-11-18 20:41:35,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:35,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 522 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-11-18 20:41:36,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:36,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931530255] [2022-11-18 20:41:36,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931530255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:36,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:36,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:41:36,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771170544] [2022-11-18 20:41:36,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:36,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:36,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:36,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:36,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:36,493 INFO L87 Difference]: Start difference. First operand 21635 states and 23058 transitions. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:37,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:37,743 INFO L93 Difference]: Finished difference Result 42971 states and 45817 transitions. [2022-11-18 20:41:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:37,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 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 724 [2022-11-18 20:41:37,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:37,764 INFO L225 Difference]: With dead ends: 42971 [2022-11-18 20:41:37,764 INFO L226 Difference]: Without dead ends: 21637 [2022-11-18 20:41:37,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:37,776 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 227 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:37,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 112 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:41:37,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21637 states. [2022-11-18 20:41:38,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21637 to 21635. [2022-11-18 20:41:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21635 states, 21634 states have (on average 1.0613386336322455) internal successors, (22961), 21634 states have internal predecessors, (22961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21635 states to 21635 states and 22961 transitions. [2022-11-18 20:41:38,076 INFO L78 Accepts]: Start accepts. Automaton has 21635 states and 22961 transitions. Word has length 724 [2022-11-18 20:41:38,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:38,077 INFO L495 AbstractCegarLoop]: Abstraction has 21635 states and 22961 transitions. [2022-11-18 20:41:38,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 21635 states and 22961 transitions. [2022-11-18 20:41:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2022-11-18 20:41:38,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:38,089 INFO L195 NwaCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:38,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:41:38,089 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:38,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:38,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1481633791, now seen corresponding path program 1 times [2022-11-18 20:41:38,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:38,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100816374] [2022-11-18 20:41:38,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:38,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 531 proven. 188 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 20:41:39,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:39,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100816374] [2022-11-18 20:41:39,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100816374] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:41:39,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924420878] [2022-11-18 20:41:39,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:39,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:39,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:39,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:41:39,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 20:41:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:40,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 20:41:40,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2022-11-18 20:41:40,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:41:40,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924420878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:40,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:41:40,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-18 20:41:40,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419987315] [2022-11-18 20:41:40,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:40,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:41:40,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:40,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:41:40,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:41:40,399 INFO L87 Difference]: Start difference. First operand 21635 states and 22961 transitions. Second operand has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:42,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:42,700 INFO L93 Difference]: Finished difference Result 50467 states and 53509 transitions. [2022-11-18 20:41:42,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:41:42,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 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 730 [2022-11-18 20:41:42,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:42,724 INFO L225 Difference]: With dead ends: 50467 [2022-11-18 20:41:42,724 INFO L226 Difference]: Without dead ends: 29133 [2022-11-18 20:41:42,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 728 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:41:42,736 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 518 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 1775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:42,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 132 Invalid, 1775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-18 20:41:42,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29133 states. [2022-11-18 20:41:43,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29133 to 27635. [2022-11-18 20:41:43,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27635 states, 27634 states have (on average 1.0581529999276253) internal successors, (29241), 27634 states have internal predecessors, (29241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:43,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27635 states to 27635 states and 29241 transitions. [2022-11-18 20:41:43,068 INFO L78 Accepts]: Start accepts. Automaton has 27635 states and 29241 transitions. Word has length 730 [2022-11-18 20:41:43,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:43,069 INFO L495 AbstractCegarLoop]: Abstraction has 27635 states and 29241 transitions. [2022-11-18 20:41:43,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:43,069 INFO L276 IsEmpty]: Start isEmpty. Operand 27635 states and 29241 transitions. [2022-11-18 20:41:43,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2022-11-18 20:41:43,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:43,085 INFO L195 NwaCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:43,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:43,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 20:41:43,292 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:43,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:43,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1728396145, now seen corresponding path program 1 times [2022-11-18 20:41:43,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:43,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960617157] [2022-11-18 20:41:43,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:43,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-11-18 20:41:43,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:43,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960617157] [2022-11-18 20:41:43,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960617157] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:43,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:43,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:41:43,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505727876] [2022-11-18 20:41:43,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:43,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:43,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:43,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:43,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:43,897 INFO L87 Difference]: Start difference. First operand 27635 states and 29241 transitions. Second operand has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:45,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:45,226 INFO L93 Difference]: Finished difference Result 55863 states and 59109 transitions. [2022-11-18 20:41:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:45,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 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 787 [2022-11-18 20:41:45,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:45,255 INFO L225 Difference]: With dead ends: 55863 [2022-11-18 20:41:45,255 INFO L226 Difference]: Without dead ends: 28529 [2022-11-18 20:41:45,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:45,267 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 225 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:45,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 463 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 20:41:45,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28529 states. [2022-11-18 20:41:45,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28529 to 25228. [2022-11-18 20:41:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25228 states, 25227 states have (on average 1.0556942957941888) internal successors, (26632), 25227 states have internal predecessors, (26632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:45,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25228 states to 25228 states and 26632 transitions. [2022-11-18 20:41:45,668 INFO L78 Accepts]: Start accepts. Automaton has 25228 states and 26632 transitions. Word has length 787 [2022-11-18 20:41:45,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:45,669 INFO L495 AbstractCegarLoop]: Abstraction has 25228 states and 26632 transitions. [2022-11-18 20:41:45,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:45,669 INFO L276 IsEmpty]: Start isEmpty. Operand 25228 states and 26632 transitions. [2022-11-18 20:41:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2022-11-18 20:41:45,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:45,694 INFO L195 NwaCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:45,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:41:45,695 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:45,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:45,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1130659826, now seen corresponding path program 1 times [2022-11-18 20:41:45,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:45,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768164694] [2022-11-18 20:41:45,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:45,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 961 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-18 20:41:46,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:46,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768164694] [2022-11-18 20:41:46,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768164694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:46,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:46,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:41:46,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202507605] [2022-11-18 20:41:46,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:46,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:41:46,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:46,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:41:46,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:41:46,749 INFO L87 Difference]: Start difference. First operand 25228 states and 26632 transitions. Second operand has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:48,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:48,654 INFO L93 Difference]: Finished difference Result 50633 states and 53534 transitions. [2022-11-18 20:41:48,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:41:48,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 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 862 [2022-11-18 20:41:48,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:48,673 INFO L225 Difference]: With dead ends: 50633 [2022-11-18 20:41:48,674 INFO L226 Difference]: Without dead ends: 25706 [2022-11-18 20:41:48,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:41:48,684 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 346 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1483 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:48,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 549 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1483 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 20:41:48,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25706 states. [2022-11-18 20:41:48,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25706 to 24324. [2022-11-18 20:41:48,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24324 states, 24323 states have (on average 1.0441146240184187) internal successors, (25396), 24323 states have internal predecessors, (25396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:48,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24324 states to 24324 states and 25396 transitions. [2022-11-18 20:41:48,925 INFO L78 Accepts]: Start accepts. Automaton has 24324 states and 25396 transitions. Word has length 862 [2022-11-18 20:41:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:48,925 INFO L495 AbstractCegarLoop]: Abstraction has 24324 states and 25396 transitions. [2022-11-18 20:41:48,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 24324 states and 25396 transitions. [2022-11-18 20:41:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 929 [2022-11-18 20:41:48,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:48,938 INFO L195 NwaCegarLoop]: 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:48,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:41:48,938 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:48,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:48,939 INFO L85 PathProgramCache]: Analyzing trace with hash 265207444, now seen corresponding path program 1 times [2022-11-18 20:41:48,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:48,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732537890] [2022-11-18 20:41:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:50,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1756 backedges. 612 proven. 608 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-11-18 20:41:50,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:50,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732537890] [2022-11-18 20:41:50,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732537890] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:41:50,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123224970] [2022-11-18 20:41:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:50,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:50,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:41:50,743 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:41:50,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 20:41:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:51,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:41:51,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:41:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1756 backedges. 729 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2022-11-18 20:41:51,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:41:51,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123224970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:51,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:41:51,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-18 20:41:51,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744000905] [2022-11-18 20:41:51,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:51,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:51,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:51,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:51,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:41:51,363 INFO L87 Difference]: Start difference. First operand 24324 states and 25396 transitions. Second operand has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:52,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:52,733 INFO L93 Difference]: Finished difference Result 48047 states and 50171 transitions. [2022-11-18 20:41:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:52,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 928 [2022-11-18 20:41:52,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:52,752 INFO L225 Difference]: With dead ends: 48047 [2022-11-18 20:41:52,752 INFO L226 Difference]: Without dead ends: 24024 [2022-11-18 20:41:52,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 933 GetRequests, 928 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:41:52,762 INFO L413 NwaCegarLoop]: 465 mSDtfsCounter, 207 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:52,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 503 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 20:41:52,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24024 states. [2022-11-18 20:41:53,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24024 to 24024. [2022-11-18 20:41:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24024 states, 24023 states have (on average 1.0306789326895058) internal successors, (24760), 24023 states have internal predecessors, (24760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:53,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24024 states to 24024 states and 24760 transitions. [2022-11-18 20:41:53,096 INFO L78 Accepts]: Start accepts. Automaton has 24024 states and 24760 transitions. Word has length 928 [2022-11-18 20:41:53,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:53,096 INFO L495 AbstractCegarLoop]: Abstraction has 24024 states and 24760 transitions. [2022-11-18 20:41:53,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:53,097 INFO L276 IsEmpty]: Start isEmpty. Operand 24024 states and 24760 transitions. [2022-11-18 20:41:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2022-11-18 20:41:53,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:53,110 INFO L195 NwaCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:53,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:53,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:41:53,313 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:53,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:53,313 INFO L85 PathProgramCache]: Analyzing trace with hash -13257665, now seen corresponding path program 1 times [2022-11-18 20:41:53,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:53,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819206865] [2022-11-18 20:41:53,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:53,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2022-11-18 20:41:54,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:54,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819206865] [2022-11-18 20:41:54,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819206865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:54,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:54,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:41:54,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806029243] [2022-11-18 20:41:54,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:54,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:41:54,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:54,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:41:54,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:41:54,665 INFO L87 Difference]: Start difference. First operand 24024 states and 24760 transitions. Second operand has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:56,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:56,973 INFO L93 Difference]: Finished difference Result 28824 states and 29672 transitions. [2022-11-18 20:41:56,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:41:56,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 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 947 [2022-11-18 20:41:56,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:56,999 INFO L225 Difference]: With dead ends: 28824 [2022-11-18 20:41:56,999 INFO L226 Difference]: Without dead ends: 28822 [2022-11-18 20:41:57,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:41:57,005 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 507 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:57,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 139 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-18 20:41:57,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28822 states. [2022-11-18 20:41:57,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28822 to 22225. [2022-11-18 20:41:57,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22225 states, 22224 states have (on average 1.031272498200144) internal successors, (22919), 22224 states have internal predecessors, (22919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22225 states to 22225 states and 22919 transitions. [2022-11-18 20:41:57,323 INFO L78 Accepts]: Start accepts. Automaton has 22225 states and 22919 transitions. Word has length 947 [2022-11-18 20:41:57,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:57,324 INFO L495 AbstractCegarLoop]: Abstraction has 22225 states and 22919 transitions. [2022-11-18 20:41:57,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 116.75) internal successors, (467), 4 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 22225 states and 22919 transitions. [2022-11-18 20:41:57,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 949 [2022-11-18 20:41:57,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:57,336 INFO L195 NwaCegarLoop]: 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 20:41:57,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:41:57,336 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:57,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:57,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1379876432, now seen corresponding path program 1 times [2022-11-18 20:41:57,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:57,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631440343] [2022-11-18 20:41:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:57,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:41:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:41:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 596 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2022-11-18 20:41:58,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:41:58,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631440343] [2022-11-18 20:41:58,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631440343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:41:58,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:41:58,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:41:58,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123253225] [2022-11-18 20:41:58,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:41:58,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:41:58,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:41:58,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:41:58,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:58,201 INFO L87 Difference]: Start difference. First operand 22225 states and 22919 transitions. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:59,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:41:59,667 INFO L93 Difference]: Finished difference Result 49245 states and 50792 transitions. [2022-11-18 20:41:59,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:41:59,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 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 948 [2022-11-18 20:41:59,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:41:59,692 INFO L225 Difference]: With dead ends: 49245 [2022-11-18 20:41:59,692 INFO L226 Difference]: Without dead ends: 27321 [2022-11-18 20:41:59,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:41:59,702 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 171 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:41:59,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 505 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 20:41:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27321 states. [2022-11-18 20:41:59,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27321 to 25814. [2022-11-18 20:41:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25814 states, 25813 states have (on average 1.030023631503506) internal successors, (26588), 25813 states have internal predecessors, (26588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25814 states to 25814 states and 26588 transitions. [2022-11-18 20:41:59,974 INFO L78 Accepts]: Start accepts. Automaton has 25814 states and 26588 transitions. Word has length 948 [2022-11-18 20:41:59,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:41:59,975 INFO L495 AbstractCegarLoop]: Abstraction has 25814 states and 26588 transitions. [2022-11-18 20:41:59,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:41:59,975 INFO L276 IsEmpty]: Start isEmpty. Operand 25814 states and 26588 transitions. [2022-11-18 20:41:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1033 [2022-11-18 20:41:59,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:41:59,994 INFO L195 NwaCegarLoop]: 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:41:59,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 20:41:59,994 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:41:59,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:41:59,995 INFO L85 PathProgramCache]: Analyzing trace with hash 520105551, now seen corresponding path program 1 times [2022-11-18 20:41:59,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:41:59,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959460497] [2022-11-18 20:41:59,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:41:59,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 1237 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-18 20:42:00,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:00,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959460497] [2022-11-18 20:42:00,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959460497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:00,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:42:00,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:42:00,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924856299] [2022-11-18 20:42:00,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:00,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:42:00,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:00,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:42:00,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:42:00,763 INFO L87 Difference]: Start difference. First operand 25814 states and 26588 transitions. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:02,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:02,248 INFO L93 Difference]: Finished difference Result 55832 states and 57492 transitions. [2022-11-18 20:42:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:42:02,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 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 1032 [2022-11-18 20:42:02,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:02,273 INFO L225 Difference]: With dead ends: 55832 [2022-11-18 20:42:02,273 INFO L226 Difference]: Without dead ends: 30319 [2022-11-18 20:42:02,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:42:02,286 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 132 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:42:02,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 136 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 20:42:02,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30319 states. [2022-11-18 20:42:02,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30319 to 27309. [2022-11-18 20:42:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27309 states, 27308 states have (on average 1.0286362970558078) internal successors, (28090), 27308 states have internal predecessors, (28090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27309 states to 27309 states and 28090 transitions. [2022-11-18 20:42:02,661 INFO L78 Accepts]: Start accepts. Automaton has 27309 states and 28090 transitions. Word has length 1032 [2022-11-18 20:42:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:02,662 INFO L495 AbstractCegarLoop]: Abstraction has 27309 states and 28090 transitions. [2022-11-18 20:42:02,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 27309 states and 28090 transitions. [2022-11-18 20:42:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2022-11-18 20:42:02,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:02,679 INFO L195 NwaCegarLoop]: 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:42:02,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 20:42:02,679 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:02,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:02,680 INFO L85 PathProgramCache]: Analyzing trace with hash 690598981, now seen corresponding path program 1 times [2022-11-18 20:42:02,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:02,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220362812] [2022-11-18 20:42:02,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:02,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2334 backedges. 74 proven. 1081 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-11-18 20:42:04,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:04,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220362812] [2022-11-18 20:42:04,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220362812] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:42:04,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624155637] [2022-11-18 20:42:04,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:04,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:42:04,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:04,250 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:42:04,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 20:42:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:04,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:42:04,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2334 backedges. 720 proven. 519 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-11-18 20:42:11,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:42:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2334 backedges. 74 proven. 1081 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-11-18 20:42:15,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624155637] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:42:15,495 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:42:15,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 10 [2022-11-18 20:42:15,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621181504] [2022-11-18 20:42:15,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:42:15,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:42:15,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:15,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:42:15,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:42:15,498 INFO L87 Difference]: Start difference. First operand 27309 states and 28090 transitions. Second operand has 11 states, 11 states have (on average 109.0) internal successors, (1199), 10 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:19,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:19,428 INFO L93 Difference]: Finished difference Result 42517 states and 43699 transitions. [2022-11-18 20:42:19,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:42:19,429 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 109.0) internal successors, (1199), 10 states have internal predecessors, (1199), 0 states have call successors, (0), 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 1117 [2022-11-18 20:42:19,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:19,460 INFO L225 Difference]: With dead ends: 42517 [2022-11-18 20:42:19,460 INFO L226 Difference]: Without dead ends: 42515 [2022-11-18 20:42:19,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2248 GetRequests, 2230 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:42:19,467 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 1056 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 1913 mSolverCounterSat, 380 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1056 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 3496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 380 IncrementalHoareTripleChecker+Valid, 1913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1203 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:42:19,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1056 Valid, 231 Invalid, 3496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [380 Valid, 1913 Invalid, 0 Unknown, 1203 Unchecked, 3.4s Time] [2022-11-18 20:42:19,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42515 states. [2022-11-18 20:42:19,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42515 to 29446. [2022-11-18 20:42:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29446 states, 29445 states have (on average 1.0288334182373917) internal successors, (30294), 29445 states have internal predecessors, (30294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29446 states to 29446 states and 30294 transitions. [2022-11-18 20:42:19,849 INFO L78 Accepts]: Start accepts. Automaton has 29446 states and 30294 transitions. Word has length 1117 [2022-11-18 20:42:19,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:19,850 INFO L495 AbstractCegarLoop]: Abstraction has 29446 states and 30294 transitions. [2022-11-18 20:42:19,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 109.0) internal successors, (1199), 10 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:19,850 INFO L276 IsEmpty]: Start isEmpty. Operand 29446 states and 30294 transitions. [2022-11-18 20:42:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1268 [2022-11-18 20:42:19,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:19,878 INFO L195 NwaCegarLoop]: 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:42:19,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-18 20:42:20,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-18 20:42:20,085 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:20,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:20,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1767534720, now seen corresponding path program 1 times [2022-11-18 20:42:20,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:20,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490046237] [2022-11-18 20:42:20,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:20,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 1477 proven. 188 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2022-11-18 20:42:21,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:21,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490046237] [2022-11-18 20:42:21,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490046237] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:42:21,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867642773] [2022-11-18 20:42:21,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:21,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:42:21,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:21,834 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:42:21,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 20:42:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:22,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:42:22,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 1032 proven. 0 refuted. 0 times theorem prover too weak. 1873 trivial. 0 not checked. [2022-11-18 20:42:22,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:42:22,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867642773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:22,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:42:22,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2022-11-18 20:42:22,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783849286] [2022-11-18 20:42:22,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:22,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:42:22,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:22,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:42:22,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:42:22,691 INFO L87 Difference]: Start difference. First operand 29446 states and 30294 transitions. Second operand has 5 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:25,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:25,678 INFO L93 Difference]: Finished difference Result 68822 states and 70755 transitions. [2022-11-18 20:42:25,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:42:25,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 0 states have call successors, (0), 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 1267 [2022-11-18 20:42:25,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:25,706 INFO L225 Difference]: With dead ends: 68822 [2022-11-18 20:42:25,706 INFO L226 Difference]: Without dead ends: 39677 [2022-11-18 20:42:25,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1270 GetRequests, 1264 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:42:25,717 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 814 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 2165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:42:25,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 149 Invalid, 2165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-18 20:42:25,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39677 states. [2022-11-18 20:42:26,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39677 to 27047. [2022-11-18 20:42:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27047 states, 27046 states have (on average 1.028285143829032) internal successors, (27811), 27046 states have internal predecessors, (27811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27047 states to 27047 states and 27811 transitions. [2022-11-18 20:42:26,057 INFO L78 Accepts]: Start accepts. Automaton has 27047 states and 27811 transitions. Word has length 1267 [2022-11-18 20:42:26,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:26,058 INFO L495 AbstractCegarLoop]: Abstraction has 27047 states and 27811 transitions. [2022-11-18 20:42:26,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 27047 states and 27811 transitions. [2022-11-18 20:42:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1417 [2022-11-18 20:42:26,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:26,087 INFO L195 NwaCegarLoop]: 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:42:26,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:42:26,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-18 20:42:26,295 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:26,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:26,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1015123806, now seen corresponding path program 1 times [2022-11-18 20:42:26,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:26,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248379662] [2022-11-18 20:42:26,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:26,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 1298 proven. 37 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2022-11-18 20:42:27,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:27,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248379662] [2022-11-18 20:42:27,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248379662] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:42:27,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296424509] [2022-11-18 20:42:27,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:27,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:42:27,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:42:27,591 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:42:27,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 20:42:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:28,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:42:28,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:42:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 1298 proven. 37 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2022-11-18 20:42:32,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:42:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3448 backedges. 1298 proven. 37 refuted. 0 times theorem prover too weak. 2113 trivial. 0 not checked. [2022-11-18 20:42:39,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296424509] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:42:39,041 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:42:39,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-11-18 20:42:39,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32667905] [2022-11-18 20:42:39,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:42:39,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:42:39,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:39,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:42:39,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:42:39,046 INFO L87 Difference]: Start difference. First operand 27047 states and 27811 transitions. Second operand has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:41,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:41,270 INFO L93 Difference]: Finished difference Result 29327 states and 30157 transitions. [2022-11-18 20:42:41,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:42:41,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 0 states have call successors, (0), 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 1416 [2022-11-18 20:42:41,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:41,293 INFO L225 Difference]: With dead ends: 29327 [2022-11-18 20:42:41,293 INFO L226 Difference]: Without dead ends: 29325 [2022-11-18 20:42:41,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2836 GetRequests, 2831 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:42:41,299 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 339 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:42:41,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 121 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-18 20:42:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29325 states. [2022-11-18 20:42:41,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29325 to 24383. [2022-11-18 20:42:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24383 states, 24382 states have (on average 1.0284226068411122) internal successors, (25075), 24382 states have internal predecessors, (25075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:41,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24383 states to 24383 states and 25075 transitions. [2022-11-18 20:42:41,583 INFO L78 Accepts]: Start accepts. Automaton has 24383 states and 25075 transitions. Word has length 1416 [2022-11-18 20:42:41,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:41,584 INFO L495 AbstractCegarLoop]: Abstraction has 24383 states and 25075 transitions. [2022-11-18 20:42:41,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 153.5) internal successors, (614), 4 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:41,584 INFO L276 IsEmpty]: Start isEmpty. Operand 24383 states and 25075 transitions. [2022-11-18 20:42:41,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2022-11-18 20:42:41,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:42:41,604 INFO L195 NwaCegarLoop]: 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, 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, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 20:42:41,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-18 20:42:41,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-18 20:42:41,805 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:42:41,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:42:41,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1352832329, now seen corresponding path program 1 times [2022-11-18 20:42:41,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:42:41,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55924281] [2022-11-18 20:42:41,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:42:41,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:42:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:42:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4077 backedges. 2416 proven. 0 refuted. 0 times theorem prover too weak. 1661 trivial. 0 not checked. [2022-11-18 20:42:42,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:42:42,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55924281] [2022-11-18 20:42:42,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55924281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:42:42,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:42:42,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:42:42,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733740812] [2022-11-18 20:42:42,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:42:42,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:42:42,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:42:42,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:42:42,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:42:42,467 INFO L87 Difference]: Start difference. First operand 24383 states and 25075 transitions. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:43,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:42:43,639 INFO L93 Difference]: Finished difference Result 40870 states and 41951 transitions. [2022-11-18 20:42:43,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:42:43,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 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 1470 [2022-11-18 20:42:43,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:42:43,641 INFO L225 Difference]: With dead ends: 40870 [2022-11-18 20:42:43,641 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:42:43,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:42:43,650 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 154 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:42:43,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 118 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:42:43,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:42:43,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:42:43,651 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) [2022-11-18 20:42:43,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:42:43,652 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1470 [2022-11-18 20:42:43,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:42:43,652 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:42:43,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:42:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:42:43,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:42:43,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:42:43,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-18 20:42:43,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:42:57,468 WARN L233 SmtUtils]: Spent 13.80s on a formula simplification. DAG size of input: 614 DAG size of output: 609 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-18 20:43:25,807 WARN L233 SmtUtils]: Spent 28.34s on a formula simplification. DAG size of input: 775 DAG size of output: 763 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-18 20:43:53,952 WARN L233 SmtUtils]: Spent 28.14s on a formula simplification. DAG size of input: 772 DAG size of output: 760 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-18 20:43:59,232 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 609 DAG size of output: 129 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-18 20:44:06,210 WARN L233 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 763 DAG size of output: 138 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-18 20:44:13,076 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 760 DAG size of output: 138 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-18 20:44:13,079 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,079 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,080 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,081 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,081 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,081 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,081 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-11-18 20:44:13,081 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,081 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,081 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-11-18 20:44:13,081 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-11-18 20:44:13,082 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,082 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,082 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,082 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,082 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-18 20:44:13,082 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,082 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-11-18 20:44:13,083 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-11-18 20:44:13,083 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,083 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,083 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-11-18 20:44:13,083 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-11-18 20:44:13,083 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,083 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,084 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,084 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,084 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,084 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-18 20:44:13,084 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,084 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,085 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,085 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,085 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,085 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,085 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-11-18 20:44:13,085 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,085 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,086 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,086 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,086 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,086 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,086 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-11-18 20:44:13,086 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,086 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,087 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,087 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,087 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,087 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,087 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-11-18 20:44:13,087 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,087 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,088 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,088 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,088 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-11-18 20:44:13,088 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-11-18 20:44:13,088 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,088 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,089 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,089 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,089 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-18 20:44:13,089 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,089 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,089 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,089 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,090 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,090 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,090 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-11-18 20:44:13,090 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,090 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-11-18 20:44:13,090 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-11-18 20:44:13,090 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-11-18 20:44:13,091 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-11-18 20:44:13,091 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,091 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,091 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,091 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,091 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,091 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,092 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,092 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,092 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-11-18 20:44:13,092 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:44:13,092 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2022-11-18 20:44:13,092 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,093 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,093 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,093 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,093 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,093 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-11-18 20:44:13,093 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,093 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-11-18 20:44:13,094 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-11-18 20:44:13,094 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-11-18 20:44:13,094 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-11-18 20:44:13,094 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-11-18 20:44:13,094 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-11-18 20:44:13,094 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,094 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,095 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,095 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,095 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-11-18 20:44:13,095 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-11-18 20:44:13,095 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,095 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-11-18 20:44:13,096 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,096 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,096 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,096 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,096 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,096 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,096 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-18 20:44:13,097 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,097 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,097 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,097 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,097 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,097 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-11-18 20:44:13,097 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-11-18 20:44:13,098 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,098 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-11-18 20:44:13,098 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-11-18 20:44:13,098 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-11-18 20:44:13,098 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,098 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-11-18 20:44:13,098 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-11-18 20:44:13,099 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,099 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,099 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,099 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,099 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-11-18 20:44:13,099 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,099 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,100 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,100 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,100 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-11-18 20:44:13,100 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-11-18 20:44:13,100 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,100 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-18 20:44:13,100 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,101 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,101 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,101 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,101 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,101 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,101 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-11-18 20:44:13,102 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,102 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,102 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,102 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,102 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,102 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,102 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,103 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-18 20:44:13,103 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,103 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,103 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,103 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,103 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,103 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-11-18 20:44:13,104 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,104 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,104 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,104 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,104 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,104 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,104 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,105 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:44:13,105 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,105 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-11-18 20:44:13,105 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-11-18 20:44:13,105 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,105 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,105 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-11-18 20:44:13,106 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,106 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,106 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,106 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,106 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,106 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-18 20:44:13,107 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,107 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,107 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,107 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,107 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,107 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-11-18 20:44:13,107 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,108 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,108 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,108 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,108 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-11-18 20:44:13,108 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-18 20:44:13,108 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,108 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,109 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,109 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,109 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,109 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-11-18 20:44:13,109 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-11-18 20:44:13,109 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,110 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-11-18 20:44:13,110 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-18 20:44:13,110 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,110 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,110 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,110 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,110 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,111 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-11-18 20:44:13,111 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-11-18 20:44:13,111 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-11-18 20:44:13,111 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-11-18 20:44:13,111 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,111 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,111 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,112 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-18 20:44:13,112 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-18 20:44:13,112 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,112 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,112 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,112 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,112 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,113 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,113 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-11-18 20:44:13,113 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-11-18 20:44:13,113 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-11-18 20:44:13,113 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,113 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-18 20:44:13,114 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,114 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,114 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,114 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,114 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,114 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,114 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,115 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,115 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-11-18 20:44:13,115 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-18 20:44:13,115 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-11-18 20:44:13,115 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-11-18 20:44:13,115 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,116 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,116 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,116 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,116 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse25 (+ ~a0~0 61))) (let ((.cse23 (div (+ 600067 ~a0~0) 5)) (.cse24 (+ ~a29~0 16)) (.cse21 (<= .cse25 0))) (let ((.cse3 (not .cse21)) (.cse11 (<= (+ ~a29~0 127) 0)) (.cse14 (<= 5 ~a2~0)) (.cse4 (<= (+ ~a29~0 144) 0)) (.cse12 (< 0 .cse25)) (.cse0 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600372))) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse22 (not (<= .cse24 0))) (.cse5 (= ~a2~0 4)) (.cse19 (<= 0 (+ 585713 ~a0~0))) (.cse8 (< 0 .cse24)) (.cse9 (<= ~a2~0 2)) (.cse2 (<= (+ 98 ~a0~0) 0)) (.cse6 (< 43 ~a29~0)) (.cse18 (<= (+ ~a0~0 99) 0)) (.cse16 (or (< 0 (+ .cse23 61)) (not (= (mod (+ 2 ~a0~0) 5) 0)))) (.cse17 (< 0 (+ 62 .cse23))) (.cse15 (<= (+ ~a4~0 86) 0)) (.cse10 (= 3 ~a2~0)) (.cse13 (<= ~a29~0 41)) (.cse7 (<= 0 (+ 146 ~a0~0))) (.cse20 (= ~a2~0 1))) (or (and .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5) (and .cse6 .cse2 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse11) (and .cse12 .cse0 .cse13 .cse14 .cse15 .cse8) (and .cse13 .cse2 .cse16 .cse17 .cse10) (and .cse0 .cse15 .cse3 .cse11 .cse9) (and .cse18 .cse19 .cse10) (and .cse2 .cse14 .cse16 .cse17) (and .cse0 .cse13 .cse20 .cse16 .cse17 .cse8) (and .cse12 .cse0 .cse6 .cse15) (and .cse20 .cse15 .cse21 .cse4) (and .cse2 .cse7 .cse10 .cse21) (and .cse18 (<= 0 (+ 384413 ~a0~0))) (and .cse12 .cse0 .cse15 .cse5 .cse8) (and .cse2 .cse22 .cse5) (and .cse0 .cse1 .cse9) (and .cse12 .cse0 .cse13 .cse15 .cse8 .cse10) (and .cse13 .cse18 .cse16 .cse17 .cse8) (and .cse18 (<= 0 (+ 600001 ~a0~0)) .cse8 .cse9) (and .cse1 (or .cse22 (not .cse5)) .cse21) (and .cse18 .cse19 .cse9) (and .cse13 .cse2 .cse7 .cse8 .cse9) (and .cse2 .cse7 .cse20) (and .cse6 .cse18 .cse16 .cse17) (and .cse13 .cse7 .cse15 .cse10 .cse21) (and .cse13 .cse7 .cse20 .cse21))))) [2022-11-18 20:44:13,117 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-11-18 20:44:13,117 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-18 20:44:13,117 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,117 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,117 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,117 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,117 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,118 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,118 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,118 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-11-18 20:44:13,118 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,118 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-11-18 20:44:13,118 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-11-18 20:44:13,119 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,119 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-11-18 20:44:13,119 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-11-18 20:44:13,119 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-18 20:44:13,119 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-18 20:44:13,119 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,119 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,120 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,120 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,120 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,120 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-18 20:44:13,120 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-11-18 20:44:13,120 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,120 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-11-18 20:44:13,121 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-11-18 20:44:13,121 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,121 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,121 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:44:13,121 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,121 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,121 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,122 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,122 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse26 (+ ~a0~0 61))) (let ((.cse25 (div (+ 600067 ~a0~0) 5)) (.cse24 (+ ~a29~0 16)) (.cse22 (<= .cse26 0))) (let ((.cse3 (not .cse22)) (.cse14 (<= (+ ~a29~0 127) 0)) (.cse17 (<= 5 ~a2~0)) (.cse10 (< 43 ~a29~0)) (.cse15 (< 0 .cse26)) (.cse0 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600372))) (.cse4 (<= (+ ~a29~0 144) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse23 (not (<= .cse24 0))) (.cse5 (= ~a2~0 4)) (.cse20 (<= 0 (+ 585713 ~a0~0))) (.cse2 (<= (+ 98 ~a0~0) 0)) (.cse19 (<= (+ ~a0~0 99) 0)) (.cse6 (or (< 0 (+ .cse25 61)) (not (= (mod (+ 2 ~a0~0) 5) 0)))) (.cse7 (< 0 (+ 62 .cse25))) (.cse8 (not (<= ~a29~0 43))) (.cse12 (< 0 .cse24)) (.cse13 (<= ~a2~0 2)) (.cse18 (<= (+ ~a4~0 86) 0)) (.cse9 (= 3 ~a2~0)) (.cse16 (<= ~a29~0 41)) (.cse11 (<= 0 (+ 146 ~a0~0))) (.cse21 (= ~a2~0 1))) (or (and .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5) (and .cse2 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse9 .cse14) (and .cse15 .cse0 .cse16 .cse17 .cse18 .cse12) (and .cse16 .cse2 .cse6 .cse7 .cse9) (and .cse0 .cse18 .cse3 .cse14 .cse13) (and .cse16 .cse19 .cse6 .cse7 .cse12 .cse13) (and .cse19 .cse20 .cse9) (and .cse2 .cse17 .cse6 .cse7) (and .cse0 .cse16 .cse21 .cse6 .cse7 .cse12) (and .cse15 .cse0 .cse10 .cse18) (and .cse2 .cse11 .cse9 .cse22) (and .cse19 (<= 0 (+ 384413 ~a0~0))) (and .cse15 .cse0 .cse18 .cse5 .cse12) (and .cse2 .cse23 .cse5) (and .cse0 .cse1 .cse13) (and .cse15 .cse0 .cse16 .cse18 .cse12 .cse9) (and .cse21 .cse18 .cse4) (and .cse19 (<= 0 (+ 600001 ~a0~0)) .cse12 .cse13) (and .cse1 (or .cse23 (not .cse5)) .cse22) (and .cse19 .cse20 .cse13) (and .cse16 .cse2 .cse11 .cse12 .cse13) (and .cse2 .cse11 .cse21) (and .cse19 .cse6 .cse7 .cse8 .cse12 .cse13) (and .cse16 .cse11 .cse18 .cse9 .cse22) (and .cse16 .cse11 .cse21 .cse22))))) [2022-11-18 20:44:13,122 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,122 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-11-18 20:44:13,123 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-18 20:44:13,123 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,123 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,123 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,123 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,123 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,123 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,124 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-18 20:44:13,124 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-11-18 20:44:13,124 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,124 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,124 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-11-18 20:44:13,124 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,124 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,125 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,125 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,125 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,125 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,125 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-11-18 20:44:13,125 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-18 20:44:13,125 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,126 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,126 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,126 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,126 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,126 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,126 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-11-18 20:44:13,126 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,127 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-11-18 20:44:13,127 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,127 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,127 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,127 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,127 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,127 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,128 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,128 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-11-18 20:44:13,128 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-11-18 20:44:13,128 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,128 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,128 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,128 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,129 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,129 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,129 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,129 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-11-18 20:44:13,129 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-11-18 20:44:13,129 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,129 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,130 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,130 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,130 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,130 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,130 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,130 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-11-18 20:44:13,130 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-11-18 20:44:13,131 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,131 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-11-18 20:44:13,131 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-18 20:44:13,131 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,131 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,131 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,131 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,132 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,132 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,132 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse26 (+ ~a0~0 61))) (let ((.cse25 (div (+ 600067 ~a0~0) 5)) (.cse24 (+ ~a29~0 16)) (.cse22 (<= .cse26 0))) (let ((.cse3 (not .cse22)) (.cse14 (<= (+ ~a29~0 127) 0)) (.cse17 (<= 5 ~a2~0)) (.cse10 (< 43 ~a29~0)) (.cse15 (< 0 .cse26)) (.cse0 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600372))) (.cse4 (<= (+ ~a29~0 144) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse23 (not (<= .cse24 0))) (.cse5 (= ~a2~0 4)) (.cse20 (<= 0 (+ 585713 ~a0~0))) (.cse2 (<= (+ 98 ~a0~0) 0)) (.cse19 (<= (+ ~a0~0 99) 0)) (.cse6 (or (< 0 (+ .cse25 61)) (not (= (mod (+ 2 ~a0~0) 5) 0)))) (.cse7 (< 0 (+ 62 .cse25))) (.cse8 (not (<= ~a29~0 43))) (.cse12 (< 0 .cse24)) (.cse13 (<= ~a2~0 2)) (.cse18 (<= (+ ~a4~0 86) 0)) (.cse9 (= 3 ~a2~0)) (.cse16 (<= ~a29~0 41)) (.cse11 (<= 0 (+ 146 ~a0~0))) (.cse21 (= ~a2~0 1))) (or (and .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5) (and .cse2 .cse6 .cse7 .cse8 .cse9) (and .cse10 .cse2 .cse11 .cse12 .cse13) (and .cse0 .cse1 .cse9 .cse14) (and .cse15 .cse0 .cse16 .cse17 .cse18 .cse12) (and .cse16 .cse2 .cse6 .cse7 .cse9) (and .cse0 .cse18 .cse3 .cse14 .cse13) (and .cse16 .cse19 .cse6 .cse7 .cse12 .cse13) (and .cse19 .cse20 .cse9) (and .cse2 .cse17 .cse6 .cse7) (and .cse0 .cse16 .cse21 .cse6 .cse7 .cse12) (and .cse15 .cse0 .cse10 .cse18) (and .cse2 .cse11 .cse9 .cse22) (and .cse19 (<= 0 (+ 384413 ~a0~0))) (and .cse15 .cse0 .cse18 .cse5 .cse12) (and .cse2 .cse23 .cse5) (and .cse0 .cse1 .cse13) (and .cse15 .cse0 .cse16 .cse18 .cse12 .cse9) (and .cse21 .cse18 .cse4) (and .cse19 (<= 0 (+ 600001 ~a0~0)) .cse12 .cse13) (and .cse1 (or .cse23 (not .cse5)) .cse22) (and .cse19 .cse20 .cse13) (and .cse16 .cse2 .cse11 .cse12 .cse13) (and .cse2 .cse11 .cse21) (and .cse19 .cse6 .cse7 .cse8 .cse12 .cse13) (and .cse16 .cse11 .cse18 .cse9 .cse22) (and .cse16 .cse11 .cse21 .cse22))))) [2022-11-18 20:44:13,132 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-18 20:44:13,132 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-11-18 20:44:13,133 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,133 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,133 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,133 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,133 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,133 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,133 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,134 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,134 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-11-18 20:44:13,134 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-11-18 20:44:13,134 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,134 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-11-18 20:44:13,134 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-11-18 20:44:13,135 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,135 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,135 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,135 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,135 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,135 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:44:13,136 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-11-18 20:44:13,136 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,136 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,136 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,136 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,136 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-11-18 20:44:13,136 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-11-18 20:44:13,137 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-11-18 20:44:13,137 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,137 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-11-18 20:44:13,137 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-11-18 20:44:13,137 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,137 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,137 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,138 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,138 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,138 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,138 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,138 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-11-18 20:44:13,138 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,138 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,139 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,139 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,139 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-11-18 20:44:13,139 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,139 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,139 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-11-18 20:44:13,139 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,140 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,140 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,140 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,140 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,140 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,140 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,140 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-11-18 20:44:13,141 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-11-18 20:44:13,141 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,141 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-11-18 20:44:13,141 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,141 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-11-18 20:44:13,141 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,141 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-18 20:44:13,141 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-11-18 20:44:13,145 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:13,147 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:44:13,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:44:13 BoogieIcfgContainer [2022-11-18 20:44:13,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:44:13,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:44:13,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:44:13,204 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:44:13,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:32" (3/4) ... [2022-11-18 20:44:13,207 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:44:13,236 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-18 20:44:13,238 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 20:44:13,241 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:44:13,243 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:44:13,420 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:44:13,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:44:13,421 INFO L158 Benchmark]: Toolchain (without parser) took 226440.52ms. Allocated memory was 113.2MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 69.5MB in the beginning and 873.9MB in the end (delta: -804.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-18 20:44:13,421 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:44:13,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1411.55ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 69.3MB in the beginning and 90.1MB in the end (delta: -20.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-11-18 20:44:13,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 298.37ms. Allocated memory is still 153.1MB. Free memory was 90.1MB in the beginning and 95.0MB in the end (delta: -4.9MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-18 20:44:13,422 INFO L158 Benchmark]: Boogie Preprocessor took 213.41ms. Allocated memory is still 153.1MB. Free memory was 95.0MB in the beginning and 76.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 20:44:13,423 INFO L158 Benchmark]: RCFGBuilder took 3590.87ms. Allocated memory was 153.1MB in the beginning and 287.3MB in the end (delta: 134.2MB). Free memory was 76.2MB in the beginning and 187.3MB in the end (delta: -111.1MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2022-11-18 20:44:13,423 INFO L158 Benchmark]: TraceAbstraction took 220701.50ms. Allocated memory was 287.3MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 186.2MB in the beginning and 898.0MB in the end (delta: -711.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-18 20:44:13,423 INFO L158 Benchmark]: Witness Printer took 216.84ms. Allocated memory is still 2.2GB. Free memory was 898.0MB in the beginning and 873.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 20:44:13,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1411.55ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 69.3MB in the beginning and 90.1MB in the end (delta: -20.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 298.37ms. Allocated memory is still 153.1MB. Free memory was 90.1MB in the beginning and 95.0MB in the end (delta: -4.9MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 213.41ms. Allocated memory is still 153.1MB. Free memory was 95.0MB in the beginning and 76.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3590.87ms. Allocated memory was 153.1MB in the beginning and 287.3MB in the end (delta: 134.2MB). Free memory was 76.2MB in the beginning and 187.3MB in the end (delta: -111.1MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. * TraceAbstraction took 220701.50ms. Allocated memory was 287.3MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 186.2MB in the beginning and 898.0MB in the end (delta: -711.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 216.84ms. Allocated memory is still 2.2GB. Free memory was 898.0MB in the beginning and 873.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 134]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 220.6s, OverallIterations: 27, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 63.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 89.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10974 SdHoareTripleChecker+Valid, 57.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10974 mSDsluCounter, 8524 SdHoareTripleChecker+Invalid, 49.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1203 IncrementalHoareTripleChecker+Unchecked, 1520 mSDsCounter, 5147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35263 IncrementalHoareTripleChecker+Invalid, 41613 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5147 mSolverCounterUnsat, 7004 mSDtfsCounter, 35263 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12052 GetRequests, 11956 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29446occurred in iteration=24, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 27 MinimizatonAttempts, 56090 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 247 NumberOfFragments, 2150 HoareAnnotationTreeSize, 4 FomulaSimplifications, 440197 FormulaSimplificationTreeSizeReduction, 70.3s HoareSimplificationTime, 4 FomulaSimplificationsInter, 1024310 FormulaSimplificationTreeSizeReductionInter, 19.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 52.5s InterpolantComputationTime, 25508 NumberOfCodeBlocks, 25508 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 29785 ConstructedInterpolants, 308 QuantifiedInterpolants, 147221 SizeOfPredicates, 14 NumberOfNonLiveVariables, 9150 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 41 InterpolantComputations, 24 PerfectInterpolantSequences, 44565/48952 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && ((98 + a0 <= 0 || !(a0 + 61 <= 0)) || a29 + 144 <= 0)) && a2 == 4) || ((((43 < a29 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || (((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a29 <= 41) && 5 <= a2) && a4 + 86 <= 0) && 0 < a29 + 16)) || ((((a29 <= 41 && 98 + a0 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 3 == a2)) || ((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && a4 + 86 <= 0) && !(a0 + 61 <= 0)) && a29 + 127 <= 0) && a2 <= 2)) || ((a0 + 99 <= 0 && 0 <= 585713 + a0) && 3 == a2)) || (((98 + a0 <= 0 && 5 <= a2) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5)) || (((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && a29 <= 41) && a2 == 1) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16)) || (((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && 43 < a29) && a4 + 86 <= 0)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((98 + a0 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || (a0 + 99 <= 0 && 0 <= 384413 + a0)) || ((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a4 + 86 <= 0) && a2 == 4) && 0 < a29 + 16)) || ((98 + a0 <= 0 && !(a29 + 16 <= 0)) && a2 == 4)) || ((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && a2 <= 2)) || (((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a29 <= 41) && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2)) || ((((a29 <= 41 && a0 + 99 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16)) || (((a0 + 99 <= 0 && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && (!(a29 + 16 <= 0) || !(a2 == 4))) && a0 + 61 <= 0)) || ((a0 + 99 <= 0 && 0 <= 585713 + a0) && a2 <= 2)) || ((((a29 <= 41 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((98 + a0 <= 0 && 0 <= 146 + a0) && a2 == 1)) || (((43 < a29 && a0 + 99 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5)) || ((((a29 <= 41 && 0 <= 146 + a0) && a4 + 86 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((a29 <= 41 && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && ((98 + a0 <= 0 || !(a0 + 61 <= 0)) || a29 + 144 <= 0)) && a2 == 4) || ((((98 + a0 <= 0 && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && !(a29 <= 43)) && 3 == a2)) || ((((43 < a29 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || (((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a29 <= 41) && 5 <= a2) && a4 + 86 <= 0) && 0 < a29 + 16)) || ((((a29 <= 41 && 98 + a0 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 3 == a2)) || ((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && a4 + 86 <= 0) && !(a0 + 61 <= 0)) && a29 + 127 <= 0) && a2 <= 2)) || (((((a29 <= 41 && a0 + 99 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16) && a2 <= 2)) || ((a0 + 99 <= 0 && 0 <= 585713 + a0) && 3 == a2)) || (((98 + a0 <= 0 && 5 <= a2) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5)) || (((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && a29 <= 41) && a2 == 1) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16)) || (((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && 43 < a29) && a4 + 86 <= 0)) || (((98 + a0 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || (a0 + 99 <= 0 && 0 <= 384413 + a0)) || ((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a4 + 86 <= 0) && a2 == 4) && 0 < a29 + 16)) || ((98 + a0 <= 0 && !(a29 + 16 <= 0)) && a2 == 4)) || ((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && a2 <= 2)) || (((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a29 <= 41) && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((a0 + 99 <= 0 && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && (!(a29 + 16 <= 0) || !(a2 == 4))) && a0 + 61 <= 0)) || ((a0 + 99 <= 0 && 0 <= 585713 + a0) && a2 <= 2)) || ((((a29 <= 41 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((98 + a0 <= 0 && 0 <= 146 + a0) && a2 == 1)) || (((((a0 + 99 <= 0 && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && !(a29 <= 43)) && 0 < a29 + 16) && a2 <= 2)) || ((((a29 <= 41 && 0 <= 146 + a0) && a4 + 86 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((a29 <= 41 && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && ((98 + a0 <= 0 || !(a0 + 61 <= 0)) || a29 + 144 <= 0)) && a2 == 4) || ((((98 + a0 <= 0 && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && !(a29 <= 43)) && 3 == a2)) || ((((43 < a29 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || (((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && 3 == a2) && a29 + 127 <= 0)) || (((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a29 <= 41) && 5 <= a2) && a4 + 86 <= 0) && 0 < a29 + 16)) || ((((a29 <= 41 && 98 + a0 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 3 == a2)) || ((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && a4 + 86 <= 0) && !(a0 + 61 <= 0)) && a29 + 127 <= 0) && a2 <= 2)) || (((((a29 <= 41 && a0 + 99 <= 0) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16) && a2 <= 2)) || ((a0 + 99 <= 0 && 0 <= 585713 + a0) && 3 == a2)) || (((98 + a0 <= 0 && 5 <= a2) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5)) || (((((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && a29 <= 41) && a2 == 1) && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && 0 < a29 + 16)) || (((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && 43 < a29) && a4 + 86 <= 0)) || (((98 + a0 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || (a0 + 99 <= 0 && 0 <= 384413 + a0)) || ((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a4 + 86 <= 0) && a2 == 4) && 0 < a29 + 16)) || ((98 + a0 <= 0 && !(a29 + 16 <= 0)) && a2 == 4)) || ((0 < (3459790 + a0 / 5 * 10) / -9 + 600372 && 89 + a4 <= 0) && a2 <= 2)) || (((((0 < a0 + 61 && 0 < (3459790 + a0 / 5 * 10) / -9 + 600372) && a29 <= 41) && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((a0 + 99 <= 0 && 0 <= 600001 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((89 + a4 <= 0 && (!(a29 + 16 <= 0) || !(a2 == 4))) && a0 + 61 <= 0)) || ((a0 + 99 <= 0 && 0 <= 585713 + a0) && a2 <= 2)) || ((((a29 <= 41 && 98 + a0 <= 0) && 0 <= 146 + a0) && 0 < a29 + 16) && a2 <= 2)) || ((98 + a0 <= 0 && 0 <= 146 + a0) && a2 == 1)) || (((((a0 + 99 <= 0 && (0 < (600067 + a0) / 5 + 61 || !((2 + a0) % 5 == 0))) && 0 < 62 + (600067 + a0) / 5) && !(a29 <= 43)) && 0 < a29 + 16) && a2 <= 2)) || ((((a29 <= 41 && 0 <= 146 + a0) && a4 + 86 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((a29 <= 41 && 0 <= 146 + a0) && a2 == 1) && a0 + 61 <= 0) RESULT: Ultimate proved your program to be correct! [2022-11-18 20:44:13,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1252a582-b896-4103-8081-48e8325275af/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE