./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8 --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 dc961fc62f24960fbef105f97d1eee66be6194c126d8d078cb5da412dc4c48ac --- 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-e04fb08 [2022-11-16 12:36:56,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:36:56,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:36:56,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:36:56,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:36:56,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:36:56,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:36:56,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:36:56,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:36:56,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:36:56,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:36:56,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:36:56,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:36:56,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:36:56,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:36:56,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:36:56,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:36:56,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:36:56,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:36:56,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:36:56,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:36:56,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:36:56,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:36:56,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:36:56,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:36:56,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:36:56,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:36:56,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:36:56,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:36:56,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:36:56,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:36:56,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:36:56,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:36:56,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:36:56,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:36:56,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:36:56,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:36:56,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:36:56,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:36:56,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:36:56,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:36:56,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:36:56,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:36:56,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:36:56,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:36:56,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:36:56,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:36:56,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:36:56,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:36:56,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:36:56,575 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:36:56,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:36:56,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:36:56,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:36:56,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:36:56,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:36:56,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:36:56,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:36:56,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:36:56,579 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:36:56,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:36:56,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:36:56,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:36:56,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:36:56,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:36:56,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:36:56,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:36:56,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:36:56,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:36:56,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:36:56,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:36:56,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:36:56,586 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:36:56,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:36:56,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:36:56,588 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_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc961fc62f24960fbef105f97d1eee66be6194c126d8d078cb5da412dc4c48ac [2022-11-16 12:36:56,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:36:56,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:36:56,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:36:56,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:36:56,992 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:36:56,993 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/eca-rers2012/Problem15_label27.c [2022-11-16 12:36:57,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/data/8fba1a2ea/255d538d5a914e5983375852e94e893d/FLAG23e2e9ece [2022-11-16 12:36:57,958 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:36:57,960 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/sv-benchmarks/c/eca-rers2012/Problem15_label27.c [2022-11-16 12:36:57,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/data/8fba1a2ea/255d538d5a914e5983375852e94e893d/FLAG23e2e9ece [2022-11-16 12:36:58,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/data/8fba1a2ea/255d538d5a914e5983375852e94e893d [2022-11-16 12:36:58,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:36:58,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:36:58,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:36:58,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:36:58,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:36:58,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:58" (1/1) ... [2022-11-16 12:36:58,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1276d02a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:58, skipping insertion in model container [2022-11-16 12:36:58,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:58" (1/1) ... [2022-11-16 12:36:58,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:36:58,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:36:58,463 WARN L229 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_50610db6-73a4-4219-a07c-a8e066466d5b/sv-benchmarks/c/eca-rers2012/Problem15_label27.c[4605,4618] [2022-11-16 12:36:59,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:36:59,197 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:36:59,234 WARN L229 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_50610db6-73a4-4219-a07c-a8e066466d5b/sv-benchmarks/c/eca-rers2012/Problem15_label27.c[4605,4618] [2022-11-16 12:36:59,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:36:59,582 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:36:59,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59 WrapperNode [2022-11-16 12:36:59,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:36:59,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:36:59,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:36:59,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:36:59,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:36:59,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:36:59,850 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2022-11-16 12:36:59,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:36:59,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:36:59,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:36:59,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:36:59,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:36:59,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:36:59,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:36:59,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:36:59,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:37:00,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:37:00,078 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:37:00,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:37:00,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:37:00,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:37:00,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:37:00,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:37:00,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (1/1) ... [2022-11-16 12:37:00,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:37:00,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:00,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:37:00,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:37:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:37:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:37:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:37:00,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:37:00,403 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:37:00,405 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:37:04,260 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:37:04,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:37:04,293 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:37:04,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:37:04 BoogieIcfgContainer [2022-11-16 12:37:04,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:37:04,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:37:04,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:37:04,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:37:04,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:36:58" (1/3) ... [2022-11-16 12:37:04,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c5194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:37:04, skipping insertion in model container [2022-11-16 12:37:04,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:59" (2/3) ... [2022-11-16 12:37:04,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728c5194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:37:04, skipping insertion in model container [2022-11-16 12:37:04,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:37:04" (3/3) ... [2022-11-16 12:37:04,309 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label27.c [2022-11-16 12:37:04,332 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:37:04,332 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:37:04,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:37:04,461 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;@63da4f47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:37:04,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:37:04,470 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) [2022-11-16 12:37:04,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 12:37:04,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:04,481 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] [2022-11-16 12:37:04,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:04,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:04,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times [2022-11-16 12:37:04,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:04,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547703424] [2022-11-16 12:37:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:04,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:37:04,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:04,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547703424] [2022-11-16 12:37:04,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547703424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:04,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:04,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:37:04,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127587908] [2022-11-16 12:37:04,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:04,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:04,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:04,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:04,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:04,934 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 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:08,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:08,766 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2022-11-16 12:37:08,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:08,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-16 12:37:08,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:08,785 INFO L225 Difference]: With dead ends: 1154 [2022-11-16 12:37:08,785 INFO L226 Difference]: Without dead ends: 665 [2022-11-16 12:37:08,790 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 [2022-11-16 12:37:08,794 INFO L413 NwaCegarLoop]: 334 mSDtfsCounter, 284 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 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, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:08,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 12:37:08,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-11-16 12:37:08,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2022-11-16 12:37:08,913 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) [2022-11-16 12:37:08,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2022-11-16 12:37:08,917 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 37 [2022-11-16 12:37:08,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:08,918 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2022-11-16 12:37:08,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2022-11-16 12:37:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-16 12:37:08,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:08,922 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:37:08,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:37:08,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:08,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1560092623, now seen corresponding path program 1 times [2022-11-16 12:37:08,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:08,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64280771] [2022-11-16 12:37:08,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:08,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:37:09,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:09,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64280771] [2022-11-16 12:37:09,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64280771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:09,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:09,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:37:09,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047201880] [2022-11-16 12:37:09,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:09,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:09,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:09,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:09,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:09,636 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:12,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:12,163 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2022-11-16 12:37:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:12,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-11-16 12:37:12,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:12,168 INFO L225 Difference]: With dead ends: 1624 [2022-11-16 12:37:12,168 INFO L226 Difference]: Without dead ends: 963 [2022-11-16 12:37:12,170 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 [2022-11-16 12:37:12,171 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:12,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-16 12:37:12,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-11-16 12:37:12,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2022-11-16 12:37:12,198 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) [2022-11-16 12:37:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2022-11-16 12:37:12,202 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 102 [2022-11-16 12:37:12,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:12,204 INFO L495 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2022-11-16 12:37:12,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2022-11-16 12:37:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-16 12:37:12,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:12,211 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:37:12,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:37:12,212 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:12,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:12,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1622553922, now seen corresponding path program 1 times [2022-11-16 12:37:12,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:12,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112083488] [2022-11-16 12:37:12,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:12,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:37:12,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:12,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112083488] [2022-11-16 12:37:12,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112083488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:12,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:12,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:37:12,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119402024] [2022-11-16 12:37:12,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:12,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:37:12,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:12,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:37:12,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:37:12,659 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:16,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:16,601 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2022-11-16 12:37:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:37:16,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-11-16 12:37:16,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:16,619 INFO L225 Difference]: With dead ends: 2244 [2022-11-16 12:37:16,620 INFO L226 Difference]: Without dead ends: 1582 [2022-11-16 12:37:16,622 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 [2022-11-16 12:37:16,633 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 361 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:16,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 366 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 12:37:16,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-11-16 12:37:16,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2022-11-16 12:37:16,669 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) [2022-11-16 12:37:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2022-11-16 12:37:16,675 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 107 [2022-11-16 12:37:16,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:16,678 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2022-11-16 12:37:16,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2022-11-16 12:37:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-16 12:37:16,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:16,691 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:16,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:37:16,692 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash 416877114, now seen corresponding path program 1 times [2022-11-16 12:37:16,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:16,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945871037] [2022-11-16 12:37:16,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:16,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:17,059 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:37:17,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:17,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945871037] [2022-11-16 12:37:17,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945871037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:17,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:17,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:37:17,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441079826] [2022-11-16 12:37:17,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:17,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:37:17,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:17,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:37:17,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:37:17,066 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:21,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:21,930 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions. [2022-11-16 12:37:21,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:37:21,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 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 203 [2022-11-16 12:37:21,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:21,945 INFO L225 Difference]: With dead ends: 4670 [2022-11-16 12:37:21,945 INFO L226 Difference]: Without dead ends: 3406 [2022-11-16 12:37:21,948 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 [2022-11-16 12:37:21,949 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 491 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:21,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 347 Invalid, 2240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-16 12:37:21,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2022-11-16 12:37:22,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381. [2022-11-16 12:37:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.23698224852071) internal successors, (4181), 3380 states have internal predecessors, (4181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4181 transitions. [2022-11-16 12:37:22,041 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4181 transitions. Word has length 203 [2022-11-16 12:37:22,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:22,042 INFO L495 AbstractCegarLoop]: Abstraction has 3381 states and 4181 transitions. [2022-11-16 12:37:22,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4181 transitions. [2022-11-16 12:37:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-16 12:37:22,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:22,047 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:22,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:37:22,048 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:22,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:22,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1982643012, now seen corresponding path program 1 times [2022-11-16 12:37:22,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:22,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992559904] [2022-11-16 12:37:22,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:22,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-16 12:37:22,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:22,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992559904] [2022-11-16 12:37:22,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992559904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:22,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:22,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:37:22,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140009963] [2022-11-16 12:37:22,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:22,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:22,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:22,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:22,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:22,362 INFO L87 Difference]: Start difference. First operand 3381 states and 4181 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:24,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:24,805 INFO L93 Difference]: Finished difference Result 8563 states and 10756 transitions. [2022-11-16 12:37:24,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:24,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 207 [2022-11-16 12:37:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:24,838 INFO L225 Difference]: With dead ends: 8563 [2022-11-16 12:37:24,838 INFO L226 Difference]: Without dead ends: 5483 [2022-11-16 12:37:24,843 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 [2022-11-16 12:37:24,847 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:24,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 12:37:24,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2022-11-16 12:37:24,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2022-11-16 12:37:25,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.168888077414643) internal successors, (6402), 5477 states have internal predecessors, (6402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6402 transitions. [2022-11-16 12:37:25,030 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6402 transitions. Word has length 207 [2022-11-16 12:37:25,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:25,031 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6402 transitions. [2022-11-16 12:37:25,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:25,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6402 transitions. [2022-11-16 12:37:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-11-16 12:37:25,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:25,046 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:25,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:37:25,047 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:25,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:25,050 INFO L85 PathProgramCache]: Analyzing trace with hash -611803236, now seen corresponding path program 1 times [2022-11-16 12:37:25,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:25,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978241568] [2022-11-16 12:37:25,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:25,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-16 12:37:25,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:25,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978241568] [2022-11-16 12:37:25,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978241568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:25,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:25,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:37:25,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654166459] [2022-11-16 12:37:25,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:25,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:25,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:25,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:25,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:25,899 INFO L87 Difference]: Start difference. First operand 5478 states and 6402 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) [2022-11-16 12:37:28,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:28,181 INFO L93 Difference]: Finished difference Result 10655 states and 12491 transitions. [2022-11-16 12:37:28,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:28,190 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 309 [2022-11-16 12:37:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:28,210 INFO L225 Difference]: With dead ends: 10655 [2022-11-16 12:37:28,210 INFO L226 Difference]: Without dead ends: 5478 [2022-11-16 12:37:28,216 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 [2022-11-16 12:37:28,219 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:28,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-16 12:37:28,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-11-16 12:37:28,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2022-11-16 12:37:28,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1677925871827644) internal successors, (6396), 5477 states have internal predecessors, (6396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6396 transitions. [2022-11-16 12:37:28,363 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6396 transitions. Word has length 309 [2022-11-16 12:37:28,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:28,364 INFO L495 AbstractCegarLoop]: Abstraction has 5478 states and 6396 transitions. [2022-11-16 12:37:28,364 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) [2022-11-16 12:37:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6396 transitions. [2022-11-16 12:37:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-16 12:37:28,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:28,372 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:28,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:37:28,373 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:28,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:28,374 INFO L85 PathProgramCache]: Analyzing trace with hash 17846925, now seen corresponding path program 1 times [2022-11-16 12:37:28,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:28,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391703131] [2022-11-16 12:37:28,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:28,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-16 12:37:28,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:28,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391703131] [2022-11-16 12:37:28,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391703131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:28,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:28,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:37:28,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49174704] [2022-11-16 12:37:28,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:28,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:28,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:28,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:28,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:28,759 INFO L87 Difference]: Start difference. First operand 5478 states and 6396 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:31,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:31,792 INFO L93 Difference]: Finished difference Result 11851 states and 14153 transitions. [2022-11-16 12:37:31,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:31,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 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 324 [2022-11-16 12:37:31,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:31,817 INFO L225 Difference]: With dead ends: 11851 [2022-11-16 12:37:31,818 INFO L226 Difference]: Without dead ends: 6674 [2022-11-16 12:37:31,824 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 [2022-11-16 12:37:31,825 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 278 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 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, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:31,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 12:37:31,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2022-11-16 12:37:31,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5175. [2022-11-16 12:37:31,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 5174 states have (on average 1.1749130266718206) internal successors, (6079), 5174 states have internal predecessors, (6079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 6079 transitions. [2022-11-16 12:37:31,963 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 6079 transitions. Word has length 324 [2022-11-16 12:37:31,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:31,964 INFO L495 AbstractCegarLoop]: Abstraction has 5175 states and 6079 transitions. [2022-11-16 12:37:31,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:31,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 6079 transitions. [2022-11-16 12:37:31,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-11-16 12:37:31,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:31,974 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:31,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:37:31,975 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:31,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:31,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1976630, now seen corresponding path program 1 times [2022-11-16 12:37:31,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:31,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139310588] [2022-11-16 12:37:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:32,397 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-16 12:37:32,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:32,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139310588] [2022-11-16 12:37:32,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139310588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:32,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:32,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:37:32,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691123071] [2022-11-16 12:37:32,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:32,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:32,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:32,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:32,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:32,401 INFO L87 Difference]: Start difference. First operand 5175 states and 6079 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:34,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:34,815 INFO L93 Difference]: Finished difference Result 12151 states and 14569 transitions. [2022-11-16 12:37:34,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:34,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 383 [2022-11-16 12:37:34,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:34,867 INFO L225 Difference]: With dead ends: 12151 [2022-11-16 12:37:34,875 INFO L226 Difference]: Without dead ends: 7277 [2022-11-16 12:37:34,881 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 [2022-11-16 12:37:34,882 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 291 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:34,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 12:37:34,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states. [2022-11-16 12:37:35,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 6380. [2022-11-16 12:37:35,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 6379 states have (on average 1.1559805612164915) internal successors, (7374), 6379 states have internal predecessors, (7374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 7374 transitions. [2022-11-16 12:37:35,053 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 7374 transitions. Word has length 383 [2022-11-16 12:37:35,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:35,054 INFO L495 AbstractCegarLoop]: Abstraction has 6380 states and 7374 transitions. [2022-11-16 12:37:35,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 7374 transitions. [2022-11-16 12:37:35,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-11-16 12:37:35,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:35,065 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:35,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:37:35,068 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:35,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:35,069 INFO L85 PathProgramCache]: Analyzing trace with hash -83367434, now seen corresponding path program 1 times [2022-11-16 12:37:35,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:35,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262809554] [2022-11-16 12:37:35,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:35,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:35,464 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:37:35,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:35,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262809554] [2022-11-16 12:37:35,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262809554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:35,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:35,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:37:35,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751742330] [2022-11-16 12:37:35,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:35,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:35,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:35,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:35,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:35,468 INFO L87 Difference]: Start difference. First operand 6380 states and 7374 transitions. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:37,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:37,739 INFO L93 Difference]: Finished difference Result 14563 states and 17155 transitions. [2022-11-16 12:37:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:37,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 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 389 [2022-11-16 12:37:37,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:37,756 INFO L225 Difference]: With dead ends: 14563 [2022-11-16 12:37:37,757 INFO L226 Difference]: Without dead ends: 8484 [2022-11-16 12:37:37,763 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 [2022-11-16 12:37:37,764 INFO L413 NwaCegarLoop]: 564 mSDtfsCounter, 248 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:37,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 603 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-16 12:37:37,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8484 states. [2022-11-16 12:37:37,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8484 to 7584. [2022-11-16 12:37:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7584 states, 7583 states have (on average 1.1426875906633258) internal successors, (8665), 7583 states have internal predecessors, (8665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7584 states to 7584 states and 8665 transitions. [2022-11-16 12:37:37,911 INFO L78 Accepts]: Start accepts. Automaton has 7584 states and 8665 transitions. Word has length 389 [2022-11-16 12:37:37,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:37,912 INFO L495 AbstractCegarLoop]: Abstraction has 7584 states and 8665 transitions. [2022-11-16 12:37:37,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 7584 states and 8665 transitions. [2022-11-16 12:37:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-11-16 12:37:37,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:37,923 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:37:37,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:37:37,923 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:37,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:37,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1206328765, now seen corresponding path program 1 times [2022-11-16 12:37:37,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:37,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692935329] [2022-11-16 12:37:37,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:37,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-16 12:37:38,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:38,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692935329] [2022-11-16 12:37:38,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692935329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:38,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:38,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:37:38,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800934530] [2022-11-16 12:37:38,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:38,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:38,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:38,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:38,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:38,308 INFO L87 Difference]: Start difference. First operand 7584 states and 8665 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:40,677 INFO L93 Difference]: Finished difference Result 16661 states and 19400 transitions. [2022-11-16 12:37:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:40,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 406 [2022-11-16 12:37:40,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:40,705 INFO L225 Difference]: With dead ends: 16661 [2022-11-16 12:37:40,705 INFO L226 Difference]: Without dead ends: 9378 [2022-11-16 12:37:40,713 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 [2022-11-16 12:37:40,714 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 248 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:40,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 617 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 12:37:40,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9378 states. [2022-11-16 12:37:40,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9378 to 9374. [2022-11-16 12:37:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9374 states, 9373 states have (on average 1.1302677904619651) internal successors, (10594), 9373 states have internal predecessors, (10594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9374 states to 9374 states and 10594 transitions. [2022-11-16 12:37:40,875 INFO L78 Accepts]: Start accepts. Automaton has 9374 states and 10594 transitions. Word has length 406 [2022-11-16 12:37:40,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:40,876 INFO L495 AbstractCegarLoop]: Abstraction has 9374 states and 10594 transitions. [2022-11-16 12:37:40,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 9374 states and 10594 transitions. [2022-11-16 12:37:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-11-16 12:37:40,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:40,887 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:40,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:37:40,887 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:40,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:40,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1517405968, now seen corresponding path program 1 times [2022-11-16 12:37:40,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:40,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492174499] [2022-11-16 12:37:40,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:40,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 35 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:37:41,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:41,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492174499] [2022-11-16 12:37:41,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492174499] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:37:41,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910765636] [2022-11-16 12:37:41,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:41,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:37:41,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:41,817 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:37:41,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:37:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:42,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:37:42,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:37:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-16 12:37:42,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:37:42,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910765636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:42,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:37:42,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-16 12:37:42,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382959420] [2022-11-16 12:37:42,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:42,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:42,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:42,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:42,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:37:42,411 INFO L87 Difference]: Start difference. First operand 9374 states and 10594 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:45,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:45,766 INFO L93 Difference]: Finished difference Result 21504 states and 24725 transitions. [2022-11-16 12:37:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:45,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 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 414 [2022-11-16 12:37:45,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:45,790 INFO L225 Difference]: With dead ends: 21504 [2022-11-16 12:37:45,790 INFO L226 Difference]: Without dead ends: 12431 [2022-11-16 12:37:45,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:37:45,800 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 378 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:45,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 636 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 12:37:45,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12431 states. [2022-11-16 12:37:46,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12431 to 12425. [2022-11-16 12:37:46,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12425 states, 12424 states have (on average 1.1454443013522215) internal successors, (14231), 12424 states have internal predecessors, (14231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12425 states to 12425 states and 14231 transitions. [2022-11-16 12:37:46,042 INFO L78 Accepts]: Start accepts. Automaton has 12425 states and 14231 transitions. Word has length 414 [2022-11-16 12:37:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:46,043 INFO L495 AbstractCegarLoop]: Abstraction has 12425 states and 14231 transitions. [2022-11-16 12:37:46,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12425 states and 14231 transitions. [2022-11-16 12:37:46,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-11-16 12:37:46,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:46,051 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:37:46,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:46,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:37:46,268 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:46,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:46,269 INFO L85 PathProgramCache]: Analyzing trace with hash 335548522, now seen corresponding path program 1 times [2022-11-16 12:37:46,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:46,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558172697] [2022-11-16 12:37:46,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:46,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-16 12:37:46,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:46,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558172697] [2022-11-16 12:37:46,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558172697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:46,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:46,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:37:46,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758851335] [2022-11-16 12:37:46,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:46,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:46,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:46,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:46,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:46,939 INFO L87 Difference]: Start difference. First operand 12425 states and 14231 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:49,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:49,337 INFO L93 Difference]: Finished difference Result 32322 states and 37117 transitions. [2022-11-16 12:37:49,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:49,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 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 486 [2022-11-16 12:37:49,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:49,385 INFO L225 Difference]: With dead ends: 32322 [2022-11-16 12:37:49,386 INFO L226 Difference]: Without dead ends: 20198 [2022-11-16 12:37:49,400 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 [2022-11-16 12:37:49,402 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 308 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:49,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 169 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-16 12:37:49,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20198 states. [2022-11-16 12:37:49,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20198 to 17208. [2022-11-16 12:37:49,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17208 states, 17207 states have (on average 1.1444179694310455) internal successors, (19692), 17207 states have internal predecessors, (19692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17208 states to 17208 states and 19692 transitions. [2022-11-16 12:37:49,724 INFO L78 Accepts]: Start accepts. Automaton has 17208 states and 19692 transitions. Word has length 486 [2022-11-16 12:37:49,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:49,725 INFO L495 AbstractCegarLoop]: Abstraction has 17208 states and 19692 transitions. [2022-11-16 12:37:49,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 17208 states and 19692 transitions. [2022-11-16 12:37:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-11-16 12:37:49,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:49,734 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:49,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:37:49,734 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:49,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:49,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1009214626, now seen corresponding path program 1 times [2022-11-16 12:37:49,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:49,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875630881] [2022-11-16 12:37:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:49,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 479 proven. 39 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-16 12:37:50,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:50,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875630881] [2022-11-16 12:37:50,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875630881] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:37:50,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500791236] [2022-11-16 12:37:50,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:50,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:37:50,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:50,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:37:50,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:37:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:51,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:37:51,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:37:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-11-16 12:37:51,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:37:51,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500791236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:51,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:37:51,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-16 12:37:51,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235758867] [2022-11-16 12:37:51,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:51,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:51,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:51,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:51,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:37:51,153 INFO L87 Difference]: Start difference. First operand 17208 states and 19692 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:53,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:53,771 INFO L93 Difference]: Finished difference Result 37104 states and 42706 transitions. [2022-11-16 12:37:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:53,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 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 521 [2022-11-16 12:37:53,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:53,814 INFO L225 Difference]: With dead ends: 37104 [2022-11-16 12:37:53,814 INFO L226 Difference]: Without dead ends: 20197 [2022-11-16 12:37:53,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:37:53,829 INFO L413 NwaCegarLoop]: 426 mSDtfsCounter, 380 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:53,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 445 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-16 12:37:53,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20197 states. [2022-11-16 12:37:54,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20197 to 15053. [2022-11-16 12:37:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15053 states, 15052 states have (on average 1.1298830720170077) internal successors, (17007), 15052 states have internal predecessors, (17007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15053 states to 15053 states and 17007 transitions. [2022-11-16 12:37:54,173 INFO L78 Accepts]: Start accepts. Automaton has 15053 states and 17007 transitions. Word has length 521 [2022-11-16 12:37:54,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:54,174 INFO L495 AbstractCegarLoop]: Abstraction has 15053 states and 17007 transitions. [2022-11-16 12:37:54,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 15053 states and 17007 transitions. [2022-11-16 12:37:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-11-16 12:37:54,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:54,184 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:54,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:37:54,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:37:54,391 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:54,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1014473132, now seen corresponding path program 1 times [2022-11-16 12:37:54,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:54,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966969429] [2022-11-16 12:37:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:54,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-11-16 12:37:55,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:55,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966969429] [2022-11-16 12:37:55,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966969429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:37:55,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:37:55,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:37:55,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024993367] [2022-11-16 12:37:55,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:37:55,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:37:55,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:37:55,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:37:55,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:37:55,041 INFO L87 Difference]: Start difference. First operand 15053 states and 17007 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:57,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:37:57,549 INFO L93 Difference]: Finished difference Result 35799 states and 40820 transitions. [2022-11-16 12:37:57,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:37:57,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 525 [2022-11-16 12:37:57,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:37:57,572 INFO L225 Difference]: With dead ends: 35799 [2022-11-16 12:37:57,573 INFO L226 Difference]: Without dead ends: 21047 [2022-11-16 12:37:57,581 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 [2022-11-16 12:37:57,582 INFO L413 NwaCegarLoop]: 586 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:37:57,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 619 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-16 12:37:57,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21047 states. [2022-11-16 12:37:57,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21047 to 20139. [2022-11-16 12:37:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20139 states, 20138 states have (on average 1.122703346906346) internal successors, (22609), 20138 states have internal predecessors, (22609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20139 states to 20139 states and 22609 transitions. [2022-11-16 12:37:57,863 INFO L78 Accepts]: Start accepts. Automaton has 20139 states and 22609 transitions. Word has length 525 [2022-11-16 12:37:57,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:37:57,864 INFO L495 AbstractCegarLoop]: Abstraction has 20139 states and 22609 transitions. [2022-11-16 12:37:57,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:37:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 20139 states and 22609 transitions. [2022-11-16 12:37:57,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-11-16 12:37:57,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:37:57,876 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:37:57,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:37:57,876 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:37:57,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:37:57,877 INFO L85 PathProgramCache]: Analyzing trace with hash 183879736, now seen corresponding path program 1 times [2022-11-16 12:37:57,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:37:57,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876947900] [2022-11-16 12:37:57,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:57,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:37:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-16 12:37:59,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:37:59,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876947900] [2022-11-16 12:37:59,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876947900] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:37:59,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817898004] [2022-11-16 12:37:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:37:59,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:37:59,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:37:59,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:37:59,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:37:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:37:59,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:37:59,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:38:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-16 12:38:00,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:38:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 556 proven. 39 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-16 12:38:01,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817898004] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:38:01,672 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:38:01,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-16 12:38:01,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257908366] [2022-11-16 12:38:01,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:38:01,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:38:01,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:01,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:38:01,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:38:01,676 INFO L87 Difference]: Start difference. First operand 20139 states and 22609 transitions. Second operand has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:09,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:09,678 INFO L93 Difference]: Finished difference Result 48308 states and 53930 transitions. [2022-11-16 12:38:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 12:38:09,679 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 580 [2022-11-16 12:38:09,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:09,701 INFO L225 Difference]: With dead ends: 48308 [2022-11-16 12:38:09,701 INFO L226 Difference]: Without dead ends: 22230 [2022-11-16 12:38:09,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1169 GetRequests, 1154 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:38:09,716 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 3568 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4687 mSolverCounterSat, 657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3568 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 5344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 657 IncrementalHoareTripleChecker+Valid, 4687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:09,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3568 Valid, 199 Invalid, 5344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [657 Valid, 4687 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-11-16 12:38:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22230 states. [2022-11-16 12:38:10,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22230 to 17444. [2022-11-16 12:38:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17444 states, 17443 states have (on average 1.0662730034971049) internal successors, (18599), 17443 states have internal predecessors, (18599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17444 states to 17444 states and 18599 transitions. [2022-11-16 12:38:10,179 INFO L78 Accepts]: Start accepts. Automaton has 17444 states and 18599 transitions. Word has length 580 [2022-11-16 12:38:10,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:10,179 INFO L495 AbstractCegarLoop]: Abstraction has 17444 states and 18599 transitions. [2022-11-16 12:38:10,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 17444 states and 18599 transitions. [2022-11-16 12:38:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-11-16 12:38:10,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:10,189 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2022-11-16 12:38:10,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:38:10,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-16 12:38:10,397 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:10,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:10,398 INFO L85 PathProgramCache]: Analyzing trace with hash 820194565, now seen corresponding path program 1 times [2022-11-16 12:38:10,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:10,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498068723] [2022-11-16 12:38:10,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:10,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-11-16 12:38:11,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:11,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498068723] [2022-11-16 12:38:11,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498068723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:11,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:11,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:11,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118988669] [2022-11-16 12:38:11,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:11,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:11,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:11,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:11,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:11,063 INFO L87 Difference]: Start difference. First operand 17444 states and 18599 transitions. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:12,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:12,930 INFO L93 Difference]: Finished difference Result 38486 states and 41127 transitions. [2022-11-16 12:38:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:12,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 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 599 [2022-11-16 12:38:12,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:12,954 INFO L225 Difference]: With dead ends: 38486 [2022-11-16 12:38:12,954 INFO L226 Difference]: Without dead ends: 21044 [2022-11-16 12:38:12,965 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 [2022-11-16 12:38:12,966 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 291 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:12,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 570 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 12:38:12,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21044 states. [2022-11-16 12:38:13,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21044 to 20147. [2022-11-16 12:38:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20147 states, 20146 states have (on average 1.057976769582051) internal successors, (21314), 20146 states have internal predecessors, (21314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20147 states to 20147 states and 21314 transitions. [2022-11-16 12:38:13,369 INFO L78 Accepts]: Start accepts. Automaton has 20147 states and 21314 transitions. Word has length 599 [2022-11-16 12:38:13,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:13,369 INFO L495 AbstractCegarLoop]: Abstraction has 20147 states and 21314 transitions. [2022-11-16 12:38:13,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 20147 states and 21314 transitions. [2022-11-16 12:38:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2022-11-16 12:38:13,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:13,379 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-11-16 12:38:13,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 12:38:13,380 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:13,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:13,381 INFO L85 PathProgramCache]: Analyzing trace with hash -574921279, now seen corresponding path program 1 times [2022-11-16 12:38:13,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:13,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863982787] [2022-11-16 12:38:13,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:13,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:13,926 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-11-16 12:38:13,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:13,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863982787] [2022-11-16 12:38:13,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863982787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:13,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:13,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:13,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609957173] [2022-11-16 12:38:13,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:13,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:13,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:13,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:13,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:13,931 INFO L87 Difference]: Start difference. First operand 20147 states and 21314 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:15,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:15,539 INFO L93 Difference]: Finished difference Result 40290 states and 42637 transitions. [2022-11-16 12:38:15,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:15,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 620 [2022-11-16 12:38:15,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:15,562 INFO L225 Difference]: With dead ends: 40290 [2022-11-16 12:38:15,562 INFO L226 Difference]: Without dead ends: 20444 [2022-11-16 12:38:15,571 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 [2022-11-16 12:38:15,572 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 437 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:15,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 69 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 12:38:15,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20444 states. [2022-11-16 12:38:15,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20444 to 20145. [2022-11-16 12:38:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20145 states, 20144 states have (on average 1.057883240667196) internal successors, (21310), 20144 states have internal predecessors, (21310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20145 states to 20145 states and 21310 transitions. [2022-11-16 12:38:15,948 INFO L78 Accepts]: Start accepts. Automaton has 20145 states and 21310 transitions. Word has length 620 [2022-11-16 12:38:15,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:15,949 INFO L495 AbstractCegarLoop]: Abstraction has 20145 states and 21310 transitions. [2022-11-16 12:38:15,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:15,950 INFO L276 IsEmpty]: Start isEmpty. Operand 20145 states and 21310 transitions. [2022-11-16 12:38:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2022-11-16 12:38:15,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:15,962 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:38:15,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 12:38:15,963 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:15,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:15,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1135058595, now seen corresponding path program 1 times [2022-11-16 12:38:15,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:15,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812829065] [2022-11-16 12:38:15,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:15,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2022-11-16 12:38:16,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:16,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812829065] [2022-11-16 12:38:16,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812829065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:16,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:16,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:38:16,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214931528] [2022-11-16 12:38:16,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:16,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:38:16,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:16,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:38:16,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:38:16,710 INFO L87 Difference]: Start difference. First operand 20145 states and 21310 transitions. Second operand has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:19,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:19,145 INFO L93 Difference]: Finished difference Result 42978 states and 45513 transitions. [2022-11-16 12:38:19,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:38:19,145 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 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 627 [2022-11-16 12:38:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:19,173 INFO L225 Difference]: With dead ends: 42978 [2022-11-16 12:38:19,173 INFO L226 Difference]: Without dead ends: 23134 [2022-11-16 12:38:19,184 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 [2022-11-16 12:38:19,185 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 625 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1769 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:19,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 433 Invalid, 1951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1769 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-16 12:38:19,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23134 states. [2022-11-16 12:38:19,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23134 to 22533. [2022-11-16 12:38:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22533 states, 22532 states have (on average 1.0468222971773478) internal successors, (23587), 22532 states have internal predecessors, (23587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:19,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22533 states to 22533 states and 23587 transitions. [2022-11-16 12:38:19,527 INFO L78 Accepts]: Start accepts. Automaton has 22533 states and 23587 transitions. Word has length 627 [2022-11-16 12:38:19,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:19,528 INFO L495 AbstractCegarLoop]: Abstraction has 22533 states and 23587 transitions. [2022-11-16 12:38:19,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:19,528 INFO L276 IsEmpty]: Start isEmpty. Operand 22533 states and 23587 transitions. [2022-11-16 12:38:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2022-11-16 12:38:19,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:19,534 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:38:19,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 12:38:19,535 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:19,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:19,535 INFO L85 PathProgramCache]: Analyzing trace with hash 664414695, now seen corresponding path program 1 times [2022-11-16 12:38:19,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:19,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384874374] [2022-11-16 12:38:19,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:19,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-16 12:38:20,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:20,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384874374] [2022-11-16 12:38:20,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384874374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:20,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:20,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:20,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380276421] [2022-11-16 12:38:20,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:20,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:20,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:20,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:20,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:20,130 INFO L87 Difference]: Start difference. First operand 22533 states and 23587 transitions. Second operand has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:21,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:21,603 INFO L93 Difference]: Finished difference Result 50760 states and 53120 transitions. [2022-11-16 12:38:21,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:21,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 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 661 [2022-11-16 12:38:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:21,629 INFO L225 Difference]: With dead ends: 50760 [2022-11-16 12:38:21,629 INFO L226 Difference]: Without dead ends: 28528 [2022-11-16 12:38:21,640 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 [2022-11-16 12:38:21,641 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 226 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:21,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 476 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 12:38:21,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28528 states. [2022-11-16 12:38:21,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28528 to 21935. [2022-11-16 12:38:21,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21935 states, 21934 states have (on average 1.0475973374669463) internal successors, (22978), 21934 states have internal predecessors, (22978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21935 states to 21935 states and 22978 transitions. [2022-11-16 12:38:22,014 INFO L78 Accepts]: Start accepts. Automaton has 21935 states and 22978 transitions. Word has length 661 [2022-11-16 12:38:22,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:22,015 INFO L495 AbstractCegarLoop]: Abstraction has 21935 states and 22978 transitions. [2022-11-16 12:38:22,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 21935 states and 22978 transitions. [2022-11-16 12:38:22,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2022-11-16 12:38:22,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:22,022 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:38:22,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 12:38:22,023 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:22,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1179229687, now seen corresponding path program 1 times [2022-11-16 12:38:22,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:22,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972364899] [2022-11-16 12:38:22,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:22,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-11-16 12:38:22,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:22,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972364899] [2022-11-16 12:38:22,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972364899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:22,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:22,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:22,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208973003] [2022-11-16 12:38:22,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:22,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:22,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:22,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:22,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:22,674 INFO L87 Difference]: Start difference. First operand 21935 states and 22978 transitions. Second operand has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:24,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:24,384 INFO L93 Difference]: Finished difference Result 45959 states and 48173 transitions. [2022-11-16 12:38:24,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:24,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 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 674 [2022-11-16 12:38:24,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:24,406 INFO L225 Difference]: With dead ends: 45959 [2022-11-16 12:38:24,407 INFO L226 Difference]: Without dead ends: 24026 [2022-11-16 12:38:24,417 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 [2022-11-16 12:38:24,418 INFO L413 NwaCegarLoop]: 492 mSDtfsCounter, 218 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:24,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 530 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 12:38:24,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24026 states. [2022-11-16 12:38:24,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24026 to 21323. [2022-11-16 12:38:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21323 states, 21322 states have (on average 1.045680517775068) internal successors, (22296), 21322 states have internal predecessors, (22296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:24,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21323 states to 21323 states and 22296 transitions. [2022-11-16 12:38:24,824 INFO L78 Accepts]: Start accepts. Automaton has 21323 states and 22296 transitions. Word has length 674 [2022-11-16 12:38:24,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:24,824 INFO L495 AbstractCegarLoop]: Abstraction has 21323 states and 22296 transitions. [2022-11-16 12:38:24,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 137.33333333333334) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 21323 states and 22296 transitions. [2022-11-16 12:38:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2022-11-16 12:38:24,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:24,831 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:38:24,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 12:38:24,831 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:24,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:24,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1782041418, now seen corresponding path program 1 times [2022-11-16 12:38:24,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:24,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988464860] [2022-11-16 12:38:24,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:24,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-11-16 12:38:25,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:25,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988464860] [2022-11-16 12:38:25,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988464860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:25,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:25,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:25,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736127531] [2022-11-16 12:38:25,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:25,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:25,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:25,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:25,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:25,441 INFO L87 Difference]: Start difference. First operand 21323 states and 22296 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:27,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:27,231 INFO L93 Difference]: Finished difference Result 46550 states and 48627 transitions. [2022-11-16 12:38:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:27,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 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 674 [2022-11-16 12:38:27,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:27,258 INFO L225 Difference]: With dead ends: 46550 [2022-11-16 12:38:27,259 INFO L226 Difference]: Without dead ends: 25528 [2022-11-16 12:38:27,270 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 [2022-11-16 12:38:27,271 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 261 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:27,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 124 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 12:38:27,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25528 states. [2022-11-16 12:38:27,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25528 to 22220. [2022-11-16 12:38:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22220 states, 22219 states have (on average 1.0442414150051758) internal successors, (23202), 22219 states have internal predecessors, (23202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22220 states to 22220 states and 23202 transitions. [2022-11-16 12:38:27,699 INFO L78 Accepts]: Start accepts. Automaton has 22220 states and 23202 transitions. Word has length 674 [2022-11-16 12:38:27,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:27,700 INFO L495 AbstractCegarLoop]: Abstraction has 22220 states and 23202 transitions. [2022-11-16 12:38:27,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22220 states and 23202 transitions. [2022-11-16 12:38:27,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2022-11-16 12:38:27,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:27,711 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:38:27,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 12:38:27,712 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:27,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:27,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1842706591, now seen corresponding path program 1 times [2022-11-16 12:38:27,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:27,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938628931] [2022-11-16 12:38:27,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:27,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:28,429 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-11-16 12:38:28,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:28,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938628931] [2022-11-16 12:38:28,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938628931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:28,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:28,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:28,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517206579] [2022-11-16 12:38:28,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:28,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:28,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:28,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:28,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:28,432 INFO L87 Difference]: Start difference. First operand 22220 states and 23202 transitions. Second operand has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:30,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:30,103 INFO L93 Difference]: Finished difference Result 47143 states and 49188 transitions. [2022-11-16 12:38:30,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:30,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 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 701 [2022-11-16 12:38:30,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:30,128 INFO L225 Difference]: With dead ends: 47143 [2022-11-16 12:38:30,128 INFO L226 Difference]: Without dead ends: 25224 [2022-11-16 12:38:30,138 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 [2022-11-16 12:38:30,138 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 352 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:30,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 116 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 12:38:30,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25224 states. [2022-11-16 12:38:30,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25224 to 21321. [2022-11-16 12:38:30,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21321 states, 21320 states have (on average 1.0440900562851783) internal successors, (22260), 21320 states have internal predecessors, (22260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:30,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21321 states to 21321 states and 22260 transitions. [2022-11-16 12:38:30,386 INFO L78 Accepts]: Start accepts. Automaton has 21321 states and 22260 transitions. Word has length 701 [2022-11-16 12:38:30,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:30,386 INFO L495 AbstractCegarLoop]: Abstraction has 21321 states and 22260 transitions. [2022-11-16 12:38:30,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 21321 states and 22260 transitions. [2022-11-16 12:38:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-11-16 12:38:30,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:30,392 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:38:30,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 12:38:30,392 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:30,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:30,393 INFO L85 PathProgramCache]: Analyzing trace with hash -828076575, now seen corresponding path program 1 times [2022-11-16 12:38:30,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:30,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005957812] [2022-11-16 12:38:30,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:30,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2022-11-16 12:38:31,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:31,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005957812] [2022-11-16 12:38:31,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005957812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:31,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:31,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:31,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255970361] [2022-11-16 12:38:31,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:31,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:31,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:31,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:31,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:31,148 INFO L87 Difference]: Start difference. First operand 21321 states and 22260 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) [2022-11-16 12:38:32,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:32,659 INFO L93 Difference]: Finished difference Result 44134 states and 46112 transitions. [2022-11-16 12:38:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:32,660 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 722 [2022-11-16 12:38:32,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:32,678 INFO L225 Difference]: With dead ends: 44134 [2022-11-16 12:38:32,678 INFO L226 Difference]: Without dead ends: 22815 [2022-11-16 12:38:32,688 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 [2022-11-16 12:38:32,688 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 293 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:32,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 193 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 12:38:32,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22815 states. [2022-11-16 12:38:32,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22815 to 21618. [2022-11-16 12:38:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21618 states, 21617 states have (on average 1.040431142156636) internal successors, (22491), 21617 states have internal predecessors, (22491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:32,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21618 states to 21618 states and 22491 transitions. [2022-11-16 12:38:32,904 INFO L78 Accepts]: Start accepts. Automaton has 21618 states and 22491 transitions. Word has length 722 [2022-11-16 12:38:32,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:32,905 INFO L495 AbstractCegarLoop]: Abstraction has 21618 states and 22491 transitions. [2022-11-16 12:38:32,905 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) [2022-11-16 12:38:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 21618 states and 22491 transitions. [2022-11-16 12:38:32,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2022-11-16 12:38:32,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:32,914 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:38:32,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 12:38:32,914 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:32,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:32,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1158651664, now seen corresponding path program 1 times [2022-11-16 12:38:32,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:32,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490217835] [2022-11-16 12:38:32,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:32,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 518 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-11-16 12:38:33,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:33,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490217835] [2022-11-16 12:38:33,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490217835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:33,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:33,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:38:33,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083001534] [2022-11-16 12:38:33,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:33,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:38:33,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:33,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:38:33,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:38:33,588 INFO L87 Difference]: Start difference. First operand 21618 states and 22491 transitions. Second operand has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 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) [2022-11-16 12:38:36,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:36,101 INFO L93 Difference]: Finished difference Result 49531 states and 51478 transitions. [2022-11-16 12:38:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:38:36,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 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 [2022-11-16 12:38:36,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:36,128 INFO L225 Difference]: With dead ends: 49531 [2022-11-16 12:38:36,128 INFO L226 Difference]: Without dead ends: 28214 [2022-11-16 12:38:36,140 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 [2022-11-16 12:38:36,140 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 515 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:36,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 155 Invalid, 1710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 12:38:36,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28214 states. [2022-11-16 12:38:36,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28214 to 26118. [2022-11-16 12:38:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26118 states, 26117 states have (on average 1.0387487077382547) internal successors, (27129), 26117 states have internal predecessors, (27129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:36,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26118 states to 26118 states and 27129 transitions. [2022-11-16 12:38:36,473 INFO L78 Accepts]: Start accepts. Automaton has 26118 states and 27129 transitions. Word has length 724 [2022-11-16 12:38:36,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:36,474 INFO L495 AbstractCegarLoop]: Abstraction has 26118 states and 27129 transitions. [2022-11-16 12:38:36,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 115.5) internal successors, (462), 4 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) [2022-11-16 12:38:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 26118 states and 27129 transitions. [2022-11-16 12:38:36,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2022-11-16 12:38:36,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:36,484 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:38:36,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 12:38:36,484 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:36,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:36,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1061867557, now seen corresponding path program 1 times [2022-11-16 12:38:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:36,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053007180] [2022-11-16 12:38:36,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:36,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 986 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-11-16 12:38:37,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:37,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053007180] [2022-11-16 12:38:37,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053007180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:37,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:37,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:37,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636464797] [2022-11-16 12:38:37,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:37,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:37,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:37,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:37,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:37,094 INFO L87 Difference]: Start difference. First operand 26118 states and 27129 transitions. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:38,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:38,456 INFO L93 Difference]: Finished difference Result 42616 states and 44150 transitions. [2022-11-16 12:38:38,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:38,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 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 806 [2022-11-16 12:38:38,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:38,473 INFO L225 Difference]: With dead ends: 42616 [2022-11-16 12:38:38,473 INFO L226 Difference]: Without dead ends: 16799 [2022-11-16 12:38:38,482 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 [2022-11-16 12:38:38,483 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 314 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:38,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 405 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:38:38,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16799 states. [2022-11-16 12:38:38,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16799 to 14104. [2022-11-16 12:38:38,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14104 states, 14103 states have (on average 1.0266609941147273) internal successors, (14479), 14103 states have internal predecessors, (14479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14104 states to 14104 states and 14479 transitions. [2022-11-16 12:38:38,666 INFO L78 Accepts]: Start accepts. Automaton has 14104 states and 14479 transitions. Word has length 806 [2022-11-16 12:38:38,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:38,666 INFO L495 AbstractCegarLoop]: Abstraction has 14104 states and 14479 transitions. [2022-11-16 12:38:38,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 14104 states and 14479 transitions. [2022-11-16 12:38:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2022-11-16 12:38:38,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:38,677 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-11-16 12:38:38,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 12:38:38,677 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:38,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:38,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1562953579, now seen corresponding path program 1 times [2022-11-16 12:38:38,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:38,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930601572] [2022-11-16 12:38:38,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1004 trivial. 0 not checked. [2022-11-16 12:38:39,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:39,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930601572] [2022-11-16 12:38:39,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930601572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:39,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:39,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:39,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005215244] [2022-11-16 12:38:39,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:39,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:39,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:39,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:39,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:39,299 INFO L87 Difference]: Start difference. First operand 14104 states and 14479 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) [2022-11-16 12:38:40,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:40,723 INFO L93 Difference]: Finished difference Result 33308 states and 34224 transitions. [2022-11-16 12:38:40,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:40,724 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 840 [2022-11-16 12:38:40,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:40,740 INFO L225 Difference]: With dead ends: 33308 [2022-11-16 12:38:40,740 INFO L226 Difference]: Without dead ends: 19206 [2022-11-16 12:38:40,746 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 [2022-11-16 12:38:40,746 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 289 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:40,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 405 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:38:40,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19206 states. [2022-11-16 12:38:40,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19206 to 17403. [2022-11-16 12:38:40,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17403 states, 17402 states have (on average 1.027295713136421) internal successors, (17877), 17402 states have internal predecessors, (17877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17403 states to 17403 states and 17877 transitions. [2022-11-16 12:38:40,990 INFO L78 Accepts]: Start accepts. Automaton has 17403 states and 17877 transitions. Word has length 840 [2022-11-16 12:38:40,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:40,990 INFO L495 AbstractCegarLoop]: Abstraction has 17403 states and 17877 transitions. [2022-11-16 12:38:40,990 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) [2022-11-16 12:38:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 17403 states and 17877 transitions. [2022-11-16 12:38:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2022-11-16 12:38:41,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:41,003 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:38:41,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 12:38:41,004 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:41,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:41,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1746775367, now seen corresponding path program 1 times [2022-11-16 12:38:41,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:41,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753852789] [2022-11-16 12:38:41,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:41,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1468 backedges. 717 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-11-16 12:38:42,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:42,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753852789] [2022-11-16 12:38:42,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753852789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:42,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:42,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:38:42,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089197785] [2022-11-16 12:38:42,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:42,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:38:42,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:42,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:38:42,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:38:42,061 INFO L87 Difference]: Start difference. First operand 17403 states and 17877 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) [2022-11-16 12:38:43,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:43,354 INFO L93 Difference]: Finished difference Result 34809 states and 35757 transitions. [2022-11-16 12:38:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:38:43,355 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 888 [2022-11-16 12:38:43,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:43,368 INFO L225 Difference]: With dead ends: 34809 [2022-11-16 12:38:43,368 INFO L226 Difference]: Without dead ends: 17408 [2022-11-16 12:38:43,375 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 [2022-11-16 12:38:43,376 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 145 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:43,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 58 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 12:38:43,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17408 states. [2022-11-16 12:38:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17408 to 17104. [2022-11-16 12:38:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17104 states, 17103 states have (on average 1.0258434192831667) internal successors, (17545), 17103 states have internal predecessors, (17545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:43,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17104 states to 17104 states and 17545 transitions. [2022-11-16 12:38:43,568 INFO L78 Accepts]: Start accepts. Automaton has 17104 states and 17545 transitions. Word has length 888 [2022-11-16 12:38:43,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:43,568 INFO L495 AbstractCegarLoop]: Abstraction has 17104 states and 17545 transitions. [2022-11-16 12:38:43,569 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) [2022-11-16 12:38:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 17104 states and 17545 transitions. [2022-11-16 12:38:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2022-11-16 12:38:43,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:43,583 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:38:43,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 12:38:43,583 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:43,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1776582564, now seen corresponding path program 1 times [2022-11-16 12:38:43,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:43,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947392589] [2022-11-16 12:38:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:43,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 947 proven. 0 refuted. 0 times theorem prover too weak. 602 trivial. 0 not checked. [2022-11-16 12:38:44,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:44,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947392589] [2022-11-16 12:38:44,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947392589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:38:44,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:38:44,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:38:44,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699244715] [2022-11-16 12:38:44,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:38:44,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:38:44,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:44,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:38:44,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:38:44,692 INFO L87 Difference]: Start difference. First operand 17104 states and 17545 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) [2022-11-16 12:38:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:38:46,442 INFO L93 Difference]: Finished difference Result 21303 states and 21835 transitions. [2022-11-16 12:38:46,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:38:46,443 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 [2022-11-16 12:38:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:38:46,461 INFO L225 Difference]: With dead ends: 21303 [2022-11-16 12:38:46,461 INFO L226 Difference]: Without dead ends: 21301 [2022-11-16 12:38:46,465 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 [2022-11-16 12:38:46,466 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 474 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:38:46,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 63 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 12:38:46,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21301 states. [2022-11-16 12:38:46,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21301 to 13804. [2022-11-16 12:38:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13804 states, 13803 states have (on average 1.026153734695356) internal successors, (14164), 13803 states have internal predecessors, (14164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:38:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13804 states to 13804 states and 14164 transitions. [2022-11-16 12:38:46,815 INFO L78 Accepts]: Start accepts. Automaton has 13804 states and 14164 transitions. Word has length 947 [2022-11-16 12:38:46,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:38:46,816 INFO L495 AbstractCegarLoop]: Abstraction has 13804 states and 14164 transitions. [2022-11-16 12:38:46,816 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) [2022-11-16 12:38:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 13804 states and 14164 transitions. [2022-11-16 12:38:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1034 [2022-11-16 12:38:46,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:38:46,841 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:38:46,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-16 12:38:46,841 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:38:46,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:38:46,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1310312419, now seen corresponding path program 1 times [2022-11-16 12:38:46,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:38:46,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527405764] [2022-11-16 12:38:46,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:46,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:38:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-11-16 12:38:48,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:38:48,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527405764] [2022-11-16 12:38:48,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527405764] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:38:48,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109260346] [2022-11-16 12:38:48,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:38:48,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:38:48,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:38:48,466 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:38:48,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 12:38:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:38:48,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:38:48,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:38:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-11-16 12:38:54,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:38:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 35 proven. 746 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-11-16 12:38:58,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109260346] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:38:58,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:38:58,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-16 12:38:58,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531299905] [2022-11-16 12:38:58,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:38:58,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:38:58,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:38:58,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:38:58,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:38:58,014 INFO L87 Difference]: Start difference. First operand 13804 states and 14164 transitions. Second operand has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:00,497 INFO L93 Difference]: Finished difference Result 18794 states and 19267 transitions. [2022-11-16 12:39:00,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:39:00,498 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 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 1033 [2022-11-16 12:39:00,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:00,513 INFO L225 Difference]: With dead ends: 18794 [2022-11-16 12:39:00,513 INFO L226 Difference]: Without dead ends: 18792 [2022-11-16 12:39:00,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2076 GetRequests, 2062 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:39:00,518 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 558 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 2951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1709 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:00,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 135 Invalid, 2951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 1068 Invalid, 0 Unknown, 1709 Unchecked, 2.1s Time] [2022-11-16 12:39:00,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18792 states. [2022-11-16 12:39:00,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18792 to 14440. [2022-11-16 12:39:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14440 states, 14439 states have (on average 1.025625043285546) internal successors, (14809), 14439 states have internal predecessors, (14809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14440 states to 14440 states and 14809 transitions. [2022-11-16 12:39:00,726 INFO L78 Accepts]: Start accepts. Automaton has 14440 states and 14809 transitions. Word has length 1033 [2022-11-16 12:39:00,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:00,726 INFO L495 AbstractCegarLoop]: Abstraction has 14440 states and 14809 transitions. [2022-11-16 12:39:00,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 111.3) internal successors, (1113), 9 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 14440 states and 14809 transitions. [2022-11-16 12:39:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2022-11-16 12:39:00,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:00,750 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:39:00,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:00,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-16 12:39:00,957 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:39:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:00,958 INFO L85 PathProgramCache]: Analyzing trace with hash 219577729, now seen corresponding path program 1 times [2022-11-16 12:39:00,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:00,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485673660] [2022-11-16 12:39:00,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:00,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 1241 proven. 657 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-16 12:39:02,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:02,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485673660] [2022-11-16 12:39:02,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485673660] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:39:02,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598285885] [2022-11-16 12:39:02,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:02,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:02,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:02,938 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:39:02,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 12:39:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:03,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:39:03,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 1510 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-11-16 12:39:03,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:39:03,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598285885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:39:03,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:39:03,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-16 12:39:03,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800412118] [2022-11-16 12:39:03,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:39:03,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:39:03,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:03,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:39:03,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:39:03,934 INFO L87 Difference]: Start difference. First operand 14440 states and 14809 transitions. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:05,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:05,161 INFO L93 Difference]: Finished difference Result 27376 states and 28068 transitions. [2022-11-16 12:39:05,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:39:05,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1144 [2022-11-16 12:39:05,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:05,179 INFO L225 Difference]: With dead ends: 27376 [2022-11-16 12:39:05,179 INFO L226 Difference]: Without dead ends: 13237 [2022-11-16 12:39:05,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1149 GetRequests, 1144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:39:05,189 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 23 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:05,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 405 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 12:39:05,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13237 states. [2022-11-16 12:39:05,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13237 to 12338. [2022-11-16 12:39:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12338 states, 12337 states have (on average 1.0165356245440544) internal successors, (12541), 12337 states have internal predecessors, (12541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:05,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12338 states to 12338 states and 12541 transitions. [2022-11-16 12:39:05,355 INFO L78 Accepts]: Start accepts. Automaton has 12338 states and 12541 transitions. Word has length 1144 [2022-11-16 12:39:05,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:05,356 INFO L495 AbstractCegarLoop]: Abstraction has 12338 states and 12541 transitions. [2022-11-16 12:39:05,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 12338 states and 12541 transitions. [2022-11-16 12:39:05,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1155 [2022-11-16 12:39:05,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:05,377 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:39:05,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:05,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:05,586 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:39:05,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:05,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1370624023, now seen corresponding path program 1 times [2022-11-16 12:39:05,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:05,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312539931] [2022-11-16 12:39:05,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:05,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 1394 proven. 152 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-11-16 12:39:07,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:07,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312539931] [2022-11-16 12:39:07,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312539931] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:39:07,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588321115] [2022-11-16 12:39:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:07,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:07,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:07,940 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:39:07,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 12:39:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:08,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:39:08,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 876 proven. 0 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2022-11-16 12:39:08,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:39:08,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588321115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:39:08,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:39:08,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2022-11-16 12:39:08,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226176852] [2022-11-16 12:39:08,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:39:08,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:39:08,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:08,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:39:08,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:39:08,662 INFO L87 Difference]: Start difference. First operand 12338 states and 12541 transitions. Second operand has 5 states, 5 states have (on average 97.6) internal successors, (488), 5 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:11,007 INFO L93 Difference]: Finished difference Result 19532 states and 19861 transitions. [2022-11-16 12:39:11,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:39:11,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 97.6) internal successors, (488), 5 states have internal predecessors, (488), 0 states have call successors, (0), 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 1154 [2022-11-16 12:39:11,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:11,024 INFO L225 Difference]: With dead ends: 19532 [2022-11-16 12:39:11,024 INFO L226 Difference]: Without dead ends: 19530 [2022-11-16 12:39:11,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1161 GetRequests, 1152 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:39:11,029 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 955 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1679 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:11,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 79 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1679 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-16 12:39:11,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2022-11-16 12:39:11,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 11737. [2022-11-16 12:39:11,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11737 states, 11736 states have (on average 1.0166155419222904) internal successors, (11931), 11736 states have internal predecessors, (11931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11737 states to 11737 states and 11931 transitions. [2022-11-16 12:39:11,206 INFO L78 Accepts]: Start accepts. Automaton has 11737 states and 11931 transitions. Word has length 1154 [2022-11-16 12:39:11,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:11,207 INFO L495 AbstractCegarLoop]: Abstraction has 11737 states and 11931 transitions. [2022-11-16 12:39:11,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 97.6) internal successors, (488), 5 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 11737 states and 11931 transitions. [2022-11-16 12:39:11,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1333 [2022-11-16 12:39:11,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:39:11,223 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-16 12:39:11,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:11,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:11,431 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:39:11,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:39:11,431 INFO L85 PathProgramCache]: Analyzing trace with hash -824676844, now seen corresponding path program 1 times [2022-11-16 12:39:11,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:39:11,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944803016] [2022-11-16 12:39:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:11,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:39:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:12,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-11-16 12:39:12,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:39:12,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944803016] [2022-11-16 12:39:12,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944803016] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:39:12,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173418600] [2022-11-16 12:39:12,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:39:12,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:12,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:39:12,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:39:12,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 12:39:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:39:13,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1521 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 12:39:13,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:39:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-11-16 12:39:17,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:39:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2906 backedges. 1169 proven. 35 refuted. 0 times theorem prover too weak. 1702 trivial. 0 not checked. [2022-11-16 12:39:20,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173418600] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:39:20,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:39:20,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2022-11-16 12:39:20,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588422893] [2022-11-16 12:39:20,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:39:20,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:39:20,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:39:20,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:39:20,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:39:20,351 INFO L87 Difference]: Start difference. First operand 11737 states and 11931 transitions. Second operand has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:22,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:39:22,059 INFO L93 Difference]: Finished difference Result 12443 states and 12644 transitions. [2022-11-16 12:39:22,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:39:22,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 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 1332 [2022-11-16 12:39:22,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:39:22,061 INFO L225 Difference]: With dead ends: 12443 [2022-11-16 12:39:22,061 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:39:22,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2668 GetRequests, 2663 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:39:22,065 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 307 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:39:22,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 50 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 12:39:22,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:39:22,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:39:22,066 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) [2022-11-16 12:39:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:39:22,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1332 [2022-11-16 12:39:22,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:39:22,066 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:39:22,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 152.75) internal successors, (611), 4 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:39:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:39:22,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:39:22,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:39:22,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:39:22,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:39:22,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:39:41,024 WARN L233 SmtUtils]: Spent 18.74s on a formula simplification. DAG size of input: 676 DAG size of output: 650 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-16 12:40:00,657 WARN L233 SmtUtils]: Spent 19.63s on a formula simplification. DAG size of input: 719 DAG size of output: 685 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-16 12:40:19,126 WARN L233 SmtUtils]: Spent 18.46s on a formula simplification. DAG size of input: 719 DAG size of output: 685 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-16 12:40:29,279 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 685 DAG size of output: 163 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-16 12:40:34,481 WARN L233 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 685 DAG size of output: 163 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-16 12:40:34,485 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,486 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,487 INFO L899 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2022-11-16 12:40:34,487 INFO L899 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,487 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,487 INFO L899 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,487 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,487 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,487 INFO L899 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2022-11-16 12:40:34,488 INFO L899 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,488 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,488 INFO L899 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2022-11-16 12:40:34,488 INFO L899 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2022-11-16 12:40:34,488 INFO L899 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,488 INFO L899 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,488 INFO L899 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,489 INFO L899 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,489 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-11-16 12:40:34,489 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,489 INFO L899 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2022-11-16 12:40:34,489 INFO L899 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2022-11-16 12:40:34,489 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,489 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,490 INFO L899 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2022-11-16 12:40:34,490 INFO L899 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2022-11-16 12:40:34,490 INFO L899 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,490 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,490 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,490 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,490 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,490 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-16 12:40:34,491 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,491 INFO L899 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,491 INFO L899 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,491 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,491 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,491 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,491 INFO L899 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2022-11-16 12:40:34,492 INFO L899 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,492 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,492 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,492 INFO L899 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,492 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,492 INFO L899 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,492 INFO L899 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2022-11-16 12:40:34,493 INFO L899 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,493 INFO L899 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,493 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,493 INFO L899 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,493 INFO L899 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,493 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,493 INFO L899 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2022-11-16 12:40:34,494 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,494 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,494 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,494 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,494 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2022-11-16 12:40:34,494 INFO L899 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2022-11-16 12:40:34,494 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,494 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,495 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,495 INFO L899 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,495 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-16 12:40:34,495 INFO L899 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,495 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,495 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,495 INFO L899 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,496 INFO L899 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,496 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,496 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2022-11-16 12:40:34,496 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,496 INFO L899 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2022-11-16 12:40:34,496 INFO L899 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2022-11-16 12:40:34,496 INFO L899 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2022-11-16 12:40:34,496 INFO L899 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2022-11-16 12:40:34,497 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,497 INFO L899 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,497 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,497 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,497 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,497 INFO L899 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,497 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,498 INFO L899 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,498 INFO L899 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2022-11-16 12:40:34,498 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:40:34,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 128) no Hoare annotation was computed. [2022-11-16 12:40:34,498 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,498 INFO L899 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,498 INFO L899 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,499 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,499 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,499 INFO L899 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2022-11-16 12:40:34,499 INFO L899 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,499 INFO L899 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2022-11-16 12:40:34,499 INFO L899 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2022-11-16 12:40:34,499 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2022-11-16 12:40:34,500 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2022-11-16 12:40:34,500 INFO L899 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2022-11-16 12:40:34,500 INFO L899 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2022-11-16 12:40:34,500 INFO L899 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,500 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,500 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,500 INFO L899 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,500 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2022-11-16 12:40:34,501 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2022-11-16 12:40:34,501 INFO L899 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,501 INFO L899 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2022-11-16 12:40:34,501 INFO L899 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,501 INFO L899 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,501 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,501 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,502 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,502 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,502 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-16 12:40:34,502 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,502 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,502 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,503 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,503 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,503 INFO L899 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2022-11-16 12:40:34,503 INFO L899 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2022-11-16 12:40:34,503 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,503 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2022-11-16 12:40:34,503 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2022-11-16 12:40:34,504 INFO L899 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2022-11-16 12:40:34,504 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,504 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2022-11-16 12:40:34,504 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2022-11-16 12:40:34,504 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,504 INFO L899 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,504 INFO L899 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,504 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,505 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2022-11-16 12:40:34,505 INFO L899 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,505 INFO L899 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,505 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,505 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,505 INFO L899 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2022-11-16 12:40:34,505 INFO L899 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2022-11-16 12:40:34,505 INFO L899 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,506 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-16 12:40:34,506 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,506 INFO L899 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,506 INFO L899 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,506 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,506 INFO L899 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,506 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,507 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2022-11-16 12:40:34,507 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,507 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,507 INFO L899 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,507 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,507 INFO L899 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,507 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,507 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,508 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-16 12:40:34,508 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,508 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,508 INFO L899 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,508 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,508 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,508 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-11-16 12:40:34,509 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,509 INFO L899 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,509 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,509 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,509 INFO L899 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,509 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,509 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,509 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:40:34,510 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,510 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2022-11-16 12:40:34,510 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2022-11-16 12:40:34,510 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,510 INFO L899 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,510 INFO L899 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2022-11-16 12:40:34,510 INFO L899 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,511 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,511 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,511 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,511 INFO L899 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,511 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-16 12:40:34,511 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,511 INFO L899 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,512 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,512 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,512 INFO L899 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,512 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2022-11-16 12:40:34,512 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,512 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,512 INFO L899 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,513 INFO L899 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,513 INFO L899 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2022-11-16 12:40:34,513 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-16 12:40:34,513 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,513 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,513 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,513 INFO L899 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,514 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,514 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2022-11-16 12:40:34,514 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2022-11-16 12:40:34,514 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,514 INFO L899 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2022-11-16 12:40:34,514 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-16 12:40:34,514 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,515 INFO L899 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,515 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,515 INFO L899 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,515 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,515 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2022-11-16 12:40:34,515 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2022-11-16 12:40:34,515 INFO L899 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2022-11-16 12:40:34,516 INFO L899 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2022-11-16 12:40:34,516 INFO L899 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,516 INFO L899 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,516 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,516 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-16 12:40:34,516 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-16 12:40:34,516 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,516 INFO L899 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,517 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,517 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,517 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,517 INFO L899 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,517 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2022-11-16 12:40:34,517 INFO L899 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2022-11-16 12:40:34,517 INFO L899 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2022-11-16 12:40:34,518 INFO L899 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,518 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-16 12:40:34,518 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,518 INFO L899 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,518 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,518 INFO L899 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,518 INFO L899 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,519 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,519 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,519 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,519 INFO L899 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2022-11-16 12:40:34,519 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-16 12:40:34,519 INFO L899 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2022-11-16 12:40:34,519 INFO L899 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2022-11-16 12:40:34,520 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,520 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,520 INFO L899 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,520 INFO L899 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,521 INFO L895 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse24 (+ ~a4~0 86))) (let ((.cse10 (<= ~a29~0 43)) (.cse29 (<= (+ ~a0~0 3672) 0)) (.cse18 (< 0 .cse24)) (.cse23 (< 43 ~a29~0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse1 (<= (+ ~a0~0 147) 0)) (.cse9 (= ~a2~0 4)) (.cse25 (+ ~a29~0 127))) (let ((.cse13 (<= (+ ~a29~0 144) 0)) (.cse5 (<= 0 (+ 600001 ~a0~0))) (.cse14 (<= .cse25 0)) (.cse17 (or (and .cse0 .cse9 .cse29) (and .cse18 .cse23 .cse0 .cse1 .cse9))) (.cse27 (<= 0 (+ ~a0~0 60))) (.cse3 (<= 0 (+ 585713 ~a0~0))) (.cse15 (<= 2 ~a29~0)) (.cse7 (<= (+ 89 ~a4~0) 0)) (.cse19 (<= ~a29~0 41)) (.cse12 (<= (+ ~a0~0 61) 0)) (.cse2 (= ~a2~0 1)) (.cse8 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse16 (<= 0 (+ 599998 ~a0~0))) (.cse22 (<= 5 ~a2~0)) (.cse6 (not .cse10)) (.cse28 (< 0 (+ 600165 ~a0~0))) (.cse11 (= 3 ~a2~0)) (.cse4 (= 2 ~a2~0)) (.cse20 (<= (+ 98 ~a0~0) 0)) (.cse21 (<= 0 (+ 146 ~a0~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6) (and .cse4 .cse7 .cse8) (and .cse7 .cse9 .cse10 .cse8) (and (not .cse11) .cse7 .cse12) (and .cse7 .cse6 .cse11 .cse8) (and .cse7 .cse1 .cse12) (and .cse7 (not .cse13) .cse11 .cse14 .cse8) (and .cse15 .cse16 .cse17) (and (<= 0 (+ 97 ~a0~0)) .cse7 .cse12) (and .cse18 .cse19 .cse0 .cse20 .cse21 .cse22) (and .cse18 .cse23 .cse0 .cse20 .cse21 .cse22) (and .cse2 (<= .cse24 0) .cse12 .cse13) (and .cse18 .cse0 .cse4 .cse1 .cse5) (let ((.cse26 (+ 44 ~a0~0))) (and (<= 0 .cse25) .cse7 .cse2 (<= 0 .cse26) (<= .cse26 0) .cse14)) (and .cse18 .cse0 .cse20 .cse21 .cse2) (and .cse7 .cse27 .cse22 .cse6 .cse8) (and .cse17 .cse3) (and .cse28 .cse0 .cse11 .cse29 .cse10) (and .cse19 .cse7 .cse27 .cse11 .cse8) (and .cse19 .cse7 .cse27 .cse22 .cse8) (and .cse18 (<= (+ 104 ~a0~0) 0) .cse23 .cse0 .cse9 .cse3) (and .cse18 .cse0 .cse16 .cse1 .cse22) (and .cse15 .cse7 .cse12) (and .cse18 .cse0 (<= (+ ~a0~0 99) 0) .cse21 .cse11) (and .cse19 .cse0 .cse16 (or (and .cse2 .cse12) (and .cse18 .cse2)) .cse8) (and .cse0 .cse16 .cse1 .cse22 .cse6) (and .cse18 .cse28 .cse0 .cse1 .cse11) (and .cse18 .cse0 .cse4 .cse20 .cse21))))) [2022-11-16 12:40:34,521 INFO L899 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2022-11-16 12:40:34,521 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-16 12:40:34,521 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,521 INFO L899 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,522 INFO L899 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,522 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,522 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,522 INFO L899 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,522 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,522 INFO L899 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2022-11-16 12:40:34,522 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,523 INFO L899 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2022-11-16 12:40:34,523 INFO L902 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2022-11-16 12:40:34,523 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,523 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2022-11-16 12:40:34,523 INFO L899 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2022-11-16 12:40:34,523 INFO L899 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2022-11-16 12:40:34,523 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-16 12:40:34,524 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,524 INFO L899 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,524 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,524 INFO L899 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,524 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,524 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-16 12:40:34,524 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-11-16 12:40:34,525 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,525 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2022-11-16 12:40:34,525 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2022-11-16 12:40:34,525 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,525 INFO L899 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,525 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:40:34,525 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,526 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,526 INFO L899 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,526 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,526 INFO L895 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse27 (+ ~a4~0 86))) (let ((.cse10 (<= ~a29~0 43)) (.cse29 (<= (+ ~a0~0 3672) 0)) (.cse18 (< 0 .cse27)) (.cse23 (< 43 ~a29~0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse1 (<= (+ ~a0~0 147) 0)) (.cse9 (= ~a2~0 4)) (.cse24 (+ ~a29~0 127))) (let ((.cse5 (<= 0 (+ 600001 ~a0~0))) (.cse14 (<= .cse24 0)) (.cse13 (<= (+ ~a29~0 144) 0)) (.cse17 (or (and .cse0 .cse9 .cse29) (and .cse18 .cse23 .cse0 .cse1 .cse9))) (.cse26 (<= 0 (+ ~a0~0 60))) (.cse3 (<= 0 (+ 585713 ~a0~0))) (.cse15 (<= 2 ~a29~0)) (.cse7 (<= (+ 89 ~a4~0) 0)) (.cse19 (<= ~a29~0 41)) (.cse12 (<= (+ ~a0~0 61) 0)) (.cse2 (= ~a2~0 1)) (.cse8 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse16 (<= 0 (+ 599998 ~a0~0))) (.cse22 (<= 5 ~a2~0)) (.cse6 (not .cse10)) (.cse28 (< 0 (+ 600165 ~a0~0))) (.cse11 (= 3 ~a2~0)) (.cse4 (= 2 ~a2~0)) (.cse20 (<= (+ 98 ~a0~0) 0)) (.cse21 (<= 0 (+ 146 ~a0~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6) (and .cse4 .cse7 .cse8) (and .cse7 .cse9 .cse10 .cse8) (and (not .cse11) .cse7 .cse12) (and .cse7 .cse6 .cse11 .cse8) (and .cse7 .cse1 .cse12) (and .cse7 (not .cse13) .cse11 .cse14 .cse8) (and .cse15 .cse16 .cse17) (and (<= 0 (+ 97 ~a0~0)) .cse7 .cse12) (and .cse18 .cse19 .cse0 .cse20 .cse21 .cse22) (and .cse18 .cse23 .cse0 .cse20 .cse21 .cse22) (and .cse18 .cse0 .cse4 .cse1 .cse5) (let ((.cse25 (+ 44 ~a0~0))) (and (<= 0 .cse24) .cse7 .cse2 (<= 0 .cse25) (<= .cse25 0) .cse14)) (and .cse18 .cse0 .cse20 .cse21 .cse2) (and .cse7 .cse26 .cse22 .cse6 .cse8) (and .cse2 (<= .cse27 0) .cse13) (and .cse17 .cse3) (and .cse28 .cse0 .cse11 .cse29 .cse10) (and .cse19 .cse7 .cse26 .cse11 .cse8) (and .cse19 .cse7 .cse26 .cse22 .cse8) (and .cse18 (<= (+ 104 ~a0~0) 0) .cse23 .cse0 .cse9 .cse3) (and .cse18 .cse0 .cse16 .cse1 .cse22) (and .cse15 .cse7 .cse12) (and .cse18 .cse0 (<= (+ ~a0~0 99) 0) .cse21 .cse11) (and .cse19 .cse0 .cse16 (or (and .cse2 .cse12) (and .cse18 .cse2)) .cse8) (and .cse0 .cse16 .cse1 .cse22 .cse6) (and .cse18 .cse28 .cse0 .cse1 .cse11) (and .cse18 .cse0 .cse4 .cse20 .cse21))))) [2022-11-16 12:40:34,527 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,527 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2022-11-16 12:40:34,527 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-16 12:40:34,527 INFO L899 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,527 INFO L899 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,527 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,527 INFO L899 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,527 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,528 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,528 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-16 12:40:34,528 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-11-16 12:40:34,528 INFO L899 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,528 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,528 INFO L899 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2022-11-16 12:40:34,528 INFO L899 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,529 INFO L899 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,529 INFO L899 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,529 INFO L899 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,529 INFO L899 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,529 INFO L899 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,529 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-11-16 12:40:34,529 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-16 12:40:34,529 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,530 INFO L899 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,530 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,530 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,530 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,530 INFO L899 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,530 INFO L899 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2022-11-16 12:40:34,530 INFO L899 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,531 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-11-16 12:40:34,531 INFO L899 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,531 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,531 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,531 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,531 INFO L899 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,531 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,531 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,532 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-11-16 12:40:34,532 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-11-16 12:40:34,532 INFO L899 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,532 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,532 INFO L899 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,532 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,532 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,533 INFO L899 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,533 INFO L899 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,533 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-11-16 12:40:34,533 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-11-16 12:40:34,533 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,533 INFO L899 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,533 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,534 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,534 INFO L899 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,534 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,534 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,534 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2022-11-16 12:40:34,534 INFO L899 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2022-11-16 12:40:34,534 INFO L899 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,534 INFO L899 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2022-11-16 12:40:34,535 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-16 12:40:34,535 INFO L899 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,535 INFO L899 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,535 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,535 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,535 INFO L899 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,535 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,536 INFO L895 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse27 (+ ~a4~0 86))) (let ((.cse10 (<= ~a29~0 43)) (.cse29 (<= (+ ~a0~0 3672) 0)) (.cse18 (< 0 .cse27)) (.cse23 (< 43 ~a29~0)) (.cse0 (<= (+ 42 ~a4~0) 0)) (.cse1 (<= (+ ~a0~0 147) 0)) (.cse9 (= ~a2~0 4)) (.cse24 (+ ~a29~0 127))) (let ((.cse5 (<= 0 (+ 600001 ~a0~0))) (.cse14 (<= .cse24 0)) (.cse13 (<= (+ ~a29~0 144) 0)) (.cse17 (or (and .cse0 .cse9 .cse29) (and .cse18 .cse23 .cse0 .cse1 .cse9))) (.cse26 (<= 0 (+ ~a0~0 60))) (.cse3 (<= 0 (+ 585713 ~a0~0))) (.cse15 (<= 2 ~a29~0)) (.cse7 (<= (+ 89 ~a4~0) 0)) (.cse19 (<= ~a29~0 41)) (.cse12 (<= (+ ~a0~0 61) 0)) (.cse2 (= ~a2~0 1)) (.cse8 (< 0 (+ (div (+ 3459790 (* (div ~a0~0 5) 10)) (- 9)) 600165))) (.cse16 (<= 0 (+ 599998 ~a0~0))) (.cse22 (<= 5 ~a2~0)) (.cse6 (not .cse10)) (.cse28 (< 0 (+ 600165 ~a0~0))) (.cse11 (= 3 ~a2~0)) (.cse4 (= 2 ~a2~0)) (.cse20 (<= (+ 98 ~a0~0) 0)) (.cse21 (<= 0 (+ 146 ~a0~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6) (and .cse4 .cse7 .cse8) (and .cse7 .cse9 .cse10 .cse8) (and (not .cse11) .cse7 .cse12) (and .cse7 .cse6 .cse11 .cse8) (and .cse7 .cse1 .cse12) (and .cse7 (not .cse13) .cse11 .cse14 .cse8) (and .cse15 .cse16 .cse17) (and (<= 0 (+ 97 ~a0~0)) .cse7 .cse12) (and .cse18 .cse19 .cse0 .cse20 .cse21 .cse22) (and .cse18 .cse23 .cse0 .cse20 .cse21 .cse22) (and .cse18 .cse0 .cse4 .cse1 .cse5) (let ((.cse25 (+ 44 ~a0~0))) (and (<= 0 .cse24) .cse7 .cse2 (<= 0 .cse25) (<= .cse25 0) .cse14)) (and .cse18 .cse0 .cse20 .cse21 .cse2) (and .cse7 .cse26 .cse22 .cse6 .cse8) (and .cse2 (<= .cse27 0) .cse13) (and .cse17 .cse3) (and .cse28 .cse0 .cse11 .cse29 .cse10) (and .cse19 .cse7 .cse26 .cse11 .cse8) (and .cse19 .cse7 .cse26 .cse22 .cse8) (and .cse18 (<= (+ 104 ~a0~0) 0) .cse23 .cse0 .cse9 .cse3) (and .cse18 .cse0 .cse16 .cse1 .cse22) (and .cse15 .cse7 .cse12) (and .cse18 .cse0 (<= (+ ~a0~0 99) 0) .cse21 .cse11) (and .cse19 .cse0 .cse16 (or (and .cse2 .cse12) (and .cse18 .cse2)) .cse8) (and .cse0 .cse16 .cse1 .cse22 .cse6) (and .cse18 .cse28 .cse0 .cse1 .cse11) (and .cse18 .cse0 .cse4 .cse20 .cse21))))) [2022-11-16 12:40:34,536 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-16 12:40:34,536 INFO L899 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2022-11-16 12:40:34,536 INFO L899 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,536 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,537 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,537 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,537 INFO L899 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,537 INFO L899 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,537 INFO L899 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,537 INFO L899 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,537 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-11-16 12:40:34,537 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2022-11-16 12:40:34,538 INFO L899 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,538 INFO L899 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2022-11-16 12:40:34,538 INFO L899 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2022-11-16 12:40:34,538 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,538 INFO L899 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,538 INFO L899 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,538 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,539 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,539 INFO L899 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,539 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:40:34,539 INFO L899 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2022-11-16 12:40:34,539 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,539 INFO L899 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,539 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,539 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,540 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2022-11-16 12:40:34,540 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2022-11-16 12:40:34,540 INFO L899 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2022-11-16 12:40:34,540 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,540 INFO L899 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2022-11-16 12:40:34,540 INFO L899 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2022-11-16 12:40:34,540 INFO L899 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,541 INFO L899 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,541 INFO L899 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,541 INFO L899 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,541 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,541 INFO L899 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,541 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,541 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2022-11-16 12:40:34,542 INFO L899 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,542 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,542 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,542 INFO L899 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,542 INFO L899 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2022-11-16 12:40:34,542 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,542 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,542 INFO L899 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2022-11-16 12:40:34,543 INFO L899 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,543 INFO L899 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,543 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,543 INFO L899 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,543 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,543 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,543 INFO L899 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,544 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2022-11-16 12:40:34,544 INFO L899 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2022-11-16 12:40:34,544 INFO L899 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,544 INFO L899 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2022-11-16 12:40:34,544 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,544 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2022-11-16 12:40:34,544 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,545 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-16 12:40:34,545 INFO L899 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2022-11-16 12:40:34,548 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, 1, 1, 1, 1, 1] [2022-11-16 12:40:34,550 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:40:34,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:40:34 BoogieIcfgContainer [2022-11-16 12:40:34,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:40:34,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:40:34,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:40:34,588 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:40:34,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:37:04" (3/4) ... [2022-11-16 12:40:34,600 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:40:34,648 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-16 12:40:34,651 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:40:34,653 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:40:34,655 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:40:34,843 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:40:34,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:40:34,844 INFO L158 Benchmark]: Toolchain (without parser) took 216806.42ms. Allocated memory was 111.1MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 85.8MB in the beginning and 796.7MB in the end (delta: -710.9MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-16 12:40:34,845 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:40:34,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.12ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 85.5MB in the beginning and 86.6MB in the end (delta: -1.1MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2022-11-16 12:40:34,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 266.37ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 89.0MB in the end (delta: -2.4MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2022-11-16 12:40:34,855 INFO L158 Benchmark]: Boogie Preprocessor took 369.63ms. Allocated memory is still 151.0MB. Free memory was 89.0MB in the beginning and 85.7MB in the end (delta: 3.2MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-11-16 12:40:34,855 INFO L158 Benchmark]: RCFGBuilder took 4073.51ms. Allocated memory was 151.0MB in the beginning and 287.3MB in the end (delta: 136.3MB). Free memory was 85.7MB in the beginning and 151.9MB in the end (delta: -66.2MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2022-11-16 12:40:34,858 INFO L158 Benchmark]: TraceAbstraction took 210288.55ms. Allocated memory was 287.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 150.9MB in the beginning and 821.9MB in the end (delta: -671.0MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-16 12:40:34,859 INFO L158 Benchmark]: Witness Printer took 256.06ms. Allocated memory is still 1.9GB. Free memory was 821.9MB in the beginning and 796.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-16 12:40:34,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.12ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 85.5MB in the beginning and 86.6MB in the end (delta: -1.1MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 266.37ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 89.0MB in the end (delta: -2.4MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 369.63ms. Allocated memory is still 151.0MB. Free memory was 89.0MB in the beginning and 85.7MB in the end (delta: 3.2MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4073.51ms. Allocated memory was 151.0MB in the beginning and 287.3MB in the end (delta: 136.3MB). Free memory was 85.7MB in the beginning and 151.9MB in the end (delta: -66.2MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. * TraceAbstraction took 210288.55ms. Allocated memory was 287.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 150.9MB in the beginning and 821.9MB in the end (delta: -671.0MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 256.06ms. Allocated memory is still 1.9GB. Free memory was 821.9MB in the beginning and 796.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. 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: 128]: 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: 210.1s, OverallIterations: 32, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 80.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 72.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13963 SdHoareTripleChecker+Valid, 73.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13963 mSDsluCounter, 10644 SdHoareTripleChecker+Invalid, 63.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1709 IncrementalHoareTripleChecker+Unchecked, 1311 mSDsCounter, 5216 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36573 IncrementalHoareTripleChecker+Invalid, 43498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5216 mSolverCounterUnsat, 9333 mSDtfsCounter, 36573 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9242 GetRequests, 9155 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26118occurred in iteration=24, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.5s AutomataMinimizationTime, 32 MinimizatonAttempts, 64422 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 223 NumberOfFragments, 2238 HoareAnnotationTreeSize, 4 FomulaSimplifications, 266173 FormulaSimplificationTreeSizeReduction, 56.8s HoareSimplificationTime, 4 FomulaSimplificationsInter, 787172 FormulaSimplificationTreeSizeReductionInter, 15.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 40.4s InterpolantComputationTime, 25317 NumberOfCodeBlocks, 25317 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 28220 ConstructedInterpolants, 187 QuantifiedInterpolants, 108301 SizeOfPredicates, 10 NumberOfNonLiveVariables, 7347 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 42 InterpolantComputations, 29 PerfectInterpolantSequences, 37972/41420 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: ((((((((((((((((((((((((((((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && 0 <= 585713 + a0) || (((2 == a2 && a0 + 147 <= 0) && 0 <= 600001 + a0) && !(a29 <= 43))) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((!(3 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && a0 + 61 <= 0)) || ((((89 + a4 <= 0 && !(a29 + 144 <= 0)) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((2 <= a29 && 0 <= 599998 + a0) && (((42 + a4 <= 0 && a2 == 4) && a0 + 3672 <= 0) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 4)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((((89 + a4 <= 0 && 0 <= a0 + 60) && 5 <= a2) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((42 + a4 <= 0 && a2 == 4) && a0 + 3672 <= 0) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 4)) && 0 <= 585713 + a0)) || ((((0 < 600165 + a0 && 42 + a4 <= 0) && 3 == a2) && a0 + 3672 <= 0) && a29 <= 43)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 43 < a29) && 42 + a4 <= 0) && a2 == 4) && 0 <= 585713 + a0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((2 <= a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= 146 + a0) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && 0 <= 585713 + a0) || (((2 == a2 && a0 + 147 <= 0) && 0 <= 600001 + a0) && !(a29 <= 43))) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((!(3 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && a0 + 61 <= 0)) || ((((89 + a4 <= 0 && !(a29 + 144 <= 0)) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((2 <= a29 && 0 <= 599998 + a0) && (((42 + a4 <= 0 && a2 == 4) && a0 + 3672 <= 0) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 4)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((((89 + a4 <= 0 && 0 <= a0 + 60) && 5 <= a2) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((((42 + a4 <= 0 && a2 == 4) && a0 + 3672 <= 0) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 4)) && 0 <= 585713 + a0)) || ((((0 < 600165 + a0 && 42 + a4 <= 0) && 3 == a2) && a0 + 3672 <= 0) && a29 <= 43)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 43 < a29) && 42 + a4 <= 0) && a2 == 4) && 0 <= 585713 + a0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((2 <= a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= 146 + a0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1) && 0 <= 585713 + a0) || (((2 == a2 && a0 + 147 <= 0) && 0 <= 600001 + a0) && !(a29 <= 43))) || ((2 == a2 && 89 + a4 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((89 + a4 <= 0 && a2 == 4) && a29 <= 43) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((!(3 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && !(a29 <= 43)) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && a0 + 61 <= 0)) || ((((89 + a4 <= 0 && !(a29 + 144 <= 0)) && 3 == a2) && a29 + 127 <= 0) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((2 <= a29 && 0 <= 599998 + a0) && (((42 + a4 <= 0 && a2 == 4) && a0 + 3672 <= 0) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 4)))) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || (((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && 5 <= a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && a0 + 147 <= 0) && 0 <= 600001 + a0)) || (((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && 44 + a0 <= 0) && a29 + 127 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1)) || ((((89 + a4 <= 0 && 0 <= a0 + 60) && 5 <= a2) && !(a29 <= 43)) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || ((((42 + a4 <= 0 && a2 == 4) && a0 + 3672 <= 0) || ((((0 < a4 + 86 && 43 < a29) && 42 + a4 <= 0) && a0 + 147 <= 0) && a2 == 4)) && 0 <= 585713 + a0)) || ((((0 < 600165 + a0 && 42 + a4 <= 0) && 3 == a2) && a0 + 3672 <= 0) && a29 <= 43)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 <= a0 + 60) && 3 == a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((a29 <= 41 && 89 + a4 <= 0) && 0 <= a0 + 60) && 5 <= a2) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || (((((0 < a4 + 86 && 104 + a0 <= 0) && 43 < a29) && 42 + a4 <= 0) && a2 == 4) && 0 <= 585713 + a0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2)) || ((2 <= a29 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 99 <= 0) && 0 <= 146 + a0) && 3 == a2)) || ((((a29 <= 41 && 42 + a4 <= 0) && 0 <= 599998 + a0) && ((a2 == 1 && a0 + 61 <= 0) || (0 < a4 + 86 && a2 == 1))) && 0 < (3459790 + a0 / 5 * 10) / -9 + 600165)) || ((((42 + a4 <= 0 && 0 <= 599998 + a0) && a0 + 147 <= 0) && 5 <= a2) && !(a29 <= 43))) || ((((0 < a4 + 86 && 0 < 600165 + a0) && 42 + a4 <= 0) && a0 + 147 <= 0) && 3 == a2)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && 0 <= 146 + a0) RESULT: Ultimate proved your program to be correct! [2022-11-16 12:40:34,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50610db6-73a4-4219-a07c-a8e066466d5b/bin/uautomizer-tPACEb0tL8/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