./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label08.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_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/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_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/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_a07ce46a-134f-44fd-8be4-b000f560be46/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 cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 --- 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 12:24:52,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:24:52,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:24:52,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:24:52,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:24:52,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:24:52,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:24:52,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:24:52,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:24:52,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:24:52,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:24:52,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:24:52,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:24:52,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:24:52,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:24:52,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:24:52,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:24:52,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:24:52,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:24:52,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:24:52,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:24:52,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:24:52,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:24:52,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:24:52,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:24:52,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:24:52,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:24:52,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:24:52,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:24:52,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:24:52,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:24:52,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:24:52,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:24:52,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:24:52,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:24:52,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:24:52,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:24:52,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:24:52,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:24:52,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:24:52,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:24:52,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:24:52,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:24:52,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:24:52,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:24:52,590 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:24:52,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:24:52,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:24:52,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:24:52,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:24:52,595 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:24:52,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:24:52,596 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:24:52,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:24:52,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:24:52,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:24:52,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:24:52,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:24:52,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:24:52,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:24:52,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:24:52,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:24:52,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:24:52,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:24:52,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:24:52,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:24:52,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:24:52,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:24:52,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:24:52,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:24:52,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:24:52,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:24:52,603 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:24:52,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:24:52,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:24:52,604 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_a07ce46a-134f-44fd-8be4-b000f560be46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfb40cb555a14fd95bceea51ff65e6513c4cf2d7cc92f4af25db414fd945afd5 [2022-11-16 12:24:52,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:24:52,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:24:52,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:24:52,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:24:53,000 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:24:53,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2022-11-16 12:24:53,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/data/59421b4bd/acd55002d6114416a6889b999052e04b/FLAGc647030bf [2022-11-16 12:24:53,923 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:24:53,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/sv-benchmarks/c/eca-rers2012/Problem03_label08.c [2022-11-16 12:24:53,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/data/59421b4bd/acd55002d6114416a6889b999052e04b/FLAGc647030bf [2022-11-16 12:24:54,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/data/59421b4bd/acd55002d6114416a6889b999052e04b [2022-11-16 12:24:54,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:24:54,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:24:54,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:24:54,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:24:54,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:24:54,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:54" (1/1) ... [2022-11-16 12:24:54,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae16677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:54, skipping insertion in model container [2022-11-16 12:24:54,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:54" (1/1) ... [2022-11-16 12:24:54,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:24:54,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:24:54,984 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_a07ce46a-134f-44fd-8be4-b000f560be46/sv-benchmarks/c/eca-rers2012/Problem03_label08.c[55410,55423] [2022-11-16 12:24:55,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:24:55,030 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:24:55,310 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_a07ce46a-134f-44fd-8be4-b000f560be46/sv-benchmarks/c/eca-rers2012/Problem03_label08.c[55410,55423] [2022-11-16 12:24:55,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:24:55,381 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:24:55,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55 WrapperNode [2022-11-16 12:24:55,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:24:55,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:24:55,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:24:55,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:24:55,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,633 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-11-16 12:24:55,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:24:55,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:24:55,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:24:55,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:24:55,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:24:55,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:24:55,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:24:55,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:24:55,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (1/1) ... [2022-11-16 12:24:55,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:24:55,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:55,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:55,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:24:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:24:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:24:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:24:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:24:55,975 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:24:55,977 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:24:58,436 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:24:58,449 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:24:58,449 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:24:58,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:58 BoogieIcfgContainer [2022-11-16 12:24:58,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:24:58,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:24:58,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:24:58,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:24:58,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:24:54" (1/3) ... [2022-11-16 12:24:58,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1543bf12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:24:58, skipping insertion in model container [2022-11-16 12:24:58,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:55" (2/3) ... [2022-11-16 12:24:58,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1543bf12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:24:58, skipping insertion in model container [2022-11-16 12:24:58,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:58" (3/3) ... [2022-11-16 12:24:58,474 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label08.c [2022-11-16 12:24:58,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:24:58,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:24:58,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:24:58,663 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;@761b5ddb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:24:58,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:24:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 12:24:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-16 12:24:58,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:24:58,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:58,703 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:24:58,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:58,710 INFO L85 PathProgramCache]: Analyzing trace with hash -576261461, now seen corresponding path program 1 times [2022-11-16 12:24:58,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:58,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232852896] [2022-11-16 12:24:58,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:58,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:00,004 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 12:25:00,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:00,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232852896] [2022-11-16 12:25:00,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232852896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:00,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:00,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:00,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053769221] [2022-11-16 12:25:00,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:00,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:00,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:00,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:00,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:00,074 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 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 12:25:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:01,935 INFO L93 Difference]: Finished difference Result 824 states and 1460 transitions. [2022-11-16 12:25:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:01,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 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 157 [2022-11-16 12:25:01,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:01,956 INFO L225 Difference]: With dead ends: 824 [2022-11-16 12:25:01,956 INFO L226 Difference]: Without dead ends: 445 [2022-11-16 12:25:01,961 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 12:25:01,965 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 73 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:01,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 247 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 12:25:01,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-11-16 12:25:02,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 444. [2022-11-16 12:25:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 1.417607223476298) internal successors, (628), 443 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:02,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 628 transitions. [2022-11-16 12:25:02,038 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 628 transitions. Word has length 157 [2022-11-16 12:25:02,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:02,040 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 628 transitions. [2022-11-16 12:25:02,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 0 states have call successors, (0), 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 12:25:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 628 transitions. [2022-11-16 12:25:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-16 12:25:02,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:02,045 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:02,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:25:02,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:02,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:02,047 INFO L85 PathProgramCache]: Analyzing trace with hash 933680492, now seen corresponding path program 1 times [2022-11-16 12:25:02,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:02,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006345371] [2022-11-16 12:25:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:02,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:02,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:02,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006345371] [2022-11-16 12:25:02,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006345371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:02,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:02,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:02,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268795017] [2022-11-16 12:25:02,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:02,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:02,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:02,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:02,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:02,431 INFO L87 Difference]: Start difference. First operand 444 states and 628 transitions. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 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 12:25:03,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:03,899 INFO L93 Difference]: Finished difference Result 1313 states and 1864 transitions. [2022-11-16 12:25:03,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:03,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 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 165 [2022-11-16 12:25:03,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:03,905 INFO L225 Difference]: With dead ends: 1313 [2022-11-16 12:25:03,906 INFO L226 Difference]: Without dead ends: 871 [2022-11-16 12:25:03,908 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 12:25:03,910 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:03,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 12:25:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-11-16 12:25:03,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 857. [2022-11-16 12:25:03,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 856 states have (on average 1.3843457943925233) internal successors, (1185), 856 states have internal predecessors, (1185), 0 states have call successors, (0), 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 12:25:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1185 transitions. [2022-11-16 12:25:03,955 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1185 transitions. Word has length 165 [2022-11-16 12:25:03,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:03,956 INFO L495 AbstractCegarLoop]: Abstraction has 857 states and 1185 transitions. [2022-11-16 12:25:03,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 2 states have internal predecessors, (165), 0 states have call successors, (0), 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 12:25:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1185 transitions. [2022-11-16 12:25:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-16 12:25:03,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:03,963 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:03,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:25:03,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:03,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:03,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1802100129, now seen corresponding path program 1 times [2022-11-16 12:25:03,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:03,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87534296] [2022-11-16 12:25:03,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:03,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 12:25:04,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:04,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87534296] [2022-11-16 12:25:04,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87534296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:04,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:04,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:04,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930756433] [2022-11-16 12:25:04,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:04,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:04,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:04,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:04,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:04,405 INFO L87 Difference]: Start difference. First operand 857 states and 1185 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 12:25:05,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:05,694 INFO L93 Difference]: Finished difference Result 2130 states and 3052 transitions. [2022-11-16 12:25:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:05,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 172 [2022-11-16 12:25:05,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:05,703 INFO L225 Difference]: With dead ends: 2130 [2022-11-16 12:25:05,703 INFO L226 Difference]: Without dead ends: 1275 [2022-11-16 12:25:05,705 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 12:25:05,707 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 121 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:05,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 346 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:25:05,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-11-16 12:25:05,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1273. [2022-11-16 12:25:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 1272 states have (on average 1.395440251572327) internal successors, (1775), 1272 states have internal predecessors, (1775), 0 states have call successors, (0), 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 12:25:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1775 transitions. [2022-11-16 12:25:05,749 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1775 transitions. Word has length 172 [2022-11-16 12:25:05,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:05,750 INFO L495 AbstractCegarLoop]: Abstraction has 1273 states and 1775 transitions. [2022-11-16 12:25:05,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 12:25:05,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1775 transitions. [2022-11-16 12:25:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-16 12:25:05,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:05,757 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-16 12:25:05,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:25:05,757 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:05,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:05,758 INFO L85 PathProgramCache]: Analyzing trace with hash 549135955, now seen corresponding path program 1 times [2022-11-16 12:25:05,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:05,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922596355] [2022-11-16 12:25:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:05,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 12:25:06,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:06,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922596355] [2022-11-16 12:25:06,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922596355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:06,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:06,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:06,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509807033] [2022-11-16 12:25:06,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:06,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:06,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:06,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:06,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:06,319 INFO L87 Difference]: Start difference. First operand 1273 states and 1775 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 12:25:07,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:07,697 INFO L93 Difference]: Finished difference Result 3774 states and 5271 transitions. [2022-11-16 12:25:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:07,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 178 [2022-11-16 12:25:07,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:07,709 INFO L225 Difference]: With dead ends: 3774 [2022-11-16 12:25:07,710 INFO L226 Difference]: Without dead ends: 2503 [2022-11-16 12:25:07,714 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 12:25:07,726 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:07,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 365 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 12:25:07,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2022-11-16 12:25:07,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 2499. [2022-11-16 12:25:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2499 states, 2498 states have (on average 1.3062449959967974) internal successors, (3263), 2498 states have internal predecessors, (3263), 0 states have call successors, (0), 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 12:25:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 3263 transitions. [2022-11-16 12:25:07,801 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 3263 transitions. Word has length 178 [2022-11-16 12:25:07,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:07,801 INFO L495 AbstractCegarLoop]: Abstraction has 2499 states and 3263 transitions. [2022-11-16 12:25:07,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 12:25:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 3263 transitions. [2022-11-16 12:25:07,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-16 12:25:07,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:07,809 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:07,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:25:07,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:07,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:07,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1011238727, now seen corresponding path program 1 times [2022-11-16 12:25:07,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:07,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843555770] [2022-11-16 12:25:07,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:07,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 12:25:08,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:08,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843555770] [2022-11-16 12:25:08,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843555770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:08,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:08,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:08,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540374189] [2022-11-16 12:25:08,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:08,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:08,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:08,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:08,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:08,452 INFO L87 Difference]: Start difference. First operand 2499 states and 3263 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 12:25:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:09,728 INFO L93 Difference]: Finished difference Result 5818 states and 7631 transitions. [2022-11-16 12:25:09,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:09,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 185 [2022-11-16 12:25:09,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:09,743 INFO L225 Difference]: With dead ends: 5818 [2022-11-16 12:25:09,743 INFO L226 Difference]: Without dead ends: 3321 [2022-11-16 12:25:09,747 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 12:25:09,751 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:09,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 364 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:25:09,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2022-11-16 12:25:09,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3312. [2022-11-16 12:25:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3311 states have (on average 1.266384778012685) internal successors, (4193), 3311 states have internal predecessors, (4193), 0 states have call successors, (0), 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 12:25:09,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 4193 transitions. [2022-11-16 12:25:09,840 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 4193 transitions. Word has length 185 [2022-11-16 12:25:09,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:09,842 INFO L495 AbstractCegarLoop]: Abstraction has 3312 states and 4193 transitions. [2022-11-16 12:25:09,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 12:25:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 4193 transitions. [2022-11-16 12:25:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-16 12:25:09,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:09,855 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:09,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:25:09,857 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:09,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:09,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1412304688, now seen corresponding path program 1 times [2022-11-16 12:25:09,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:09,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577783683] [2022-11-16 12:25:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:09,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 12:25:10,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:10,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577783683] [2022-11-16 12:25:10,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577783683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:10,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:10,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:10,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113390184] [2022-11-16 12:25:10,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:10,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:10,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:10,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:10,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:10,513 INFO L87 Difference]: Start difference. First operand 3312 states and 4193 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 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 12:25:11,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:11,944 INFO L93 Difference]: Finished difference Result 8881 states and 11393 transitions. [2022-11-16 12:25:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:11,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 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 200 [2022-11-16 12:25:11,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:11,964 INFO L225 Difference]: With dead ends: 8881 [2022-11-16 12:25:11,965 INFO L226 Difference]: Without dead ends: 5571 [2022-11-16 12:25:11,969 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 12:25:11,971 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 211 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:11,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 238 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 12:25:11,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-11-16 12:25:12,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5551. [2022-11-16 12:25:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5551 states, 5550 states have (on average 1.2855855855855856) internal successors, (7135), 5550 states have internal predecessors, (7135), 0 states have call successors, (0), 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 12:25:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 5551 states and 7135 transitions. [2022-11-16 12:25:12,130 INFO L78 Accepts]: Start accepts. Automaton has 5551 states and 7135 transitions. Word has length 200 [2022-11-16 12:25:12,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:12,131 INFO L495 AbstractCegarLoop]: Abstraction has 5551 states and 7135 transitions. [2022-11-16 12:25:12,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 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 12:25:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 5551 states and 7135 transitions. [2022-11-16 12:25:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-16 12:25:12,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:12,141 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:12,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:25:12,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:12,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:12,142 INFO L85 PathProgramCache]: Analyzing trace with hash -174676994, now seen corresponding path program 1 times [2022-11-16 12:25:12,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:12,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408174605] [2022-11-16 12:25:12,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:12,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:12,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:12,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408174605] [2022-11-16 12:25:12,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408174605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:12,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:12,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:12,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469249890] [2022-11-16 12:25:12,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:12,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:25:12,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:12,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:25:12,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:25:12,705 INFO L87 Difference]: Start difference. First operand 5551 states and 7135 transitions. Second operand has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 12:25:14,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:14,834 INFO L93 Difference]: Finished difference Result 10714 states and 13855 transitions. [2022-11-16 12:25:14,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:25:14,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 201 [2022-11-16 12:25:14,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:14,857 INFO L225 Difference]: With dead ends: 10714 [2022-11-16 12:25:14,857 INFO L226 Difference]: Without dead ends: 5571 [2022-11-16 12:25:14,864 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 12:25:14,866 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 450 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:14,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 122 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 12:25:14,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2022-11-16 12:25:14,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5348. [2022-11-16 12:25:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5348 states, 5347 states have (on average 1.2870768655320741) internal successors, (6882), 5347 states have internal predecessors, (6882), 0 states have call successors, (0), 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 12:25:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 5348 states and 6882 transitions. [2022-11-16 12:25:15,010 INFO L78 Accepts]: Start accepts. Automaton has 5348 states and 6882 transitions. Word has length 201 [2022-11-16 12:25:15,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:15,011 INFO L495 AbstractCegarLoop]: Abstraction has 5348 states and 6882 transitions. [2022-11-16 12:25:15,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.25) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 12:25:15,012 INFO L276 IsEmpty]: Start isEmpty. Operand 5348 states and 6882 transitions. [2022-11-16 12:25:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-16 12:25:15,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:15,024 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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] [2022-11-16 12:25:15,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:25:15,025 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:15,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:15,025 INFO L85 PathProgramCache]: Analyzing trace with hash 2108065721, now seen corresponding path program 1 times [2022-11-16 12:25:15,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:15,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467631301] [2022-11-16 12:25:15,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:15,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 12:25:15,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:15,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467631301] [2022-11-16 12:25:15,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467631301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:15,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:15,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:15,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246785993] [2022-11-16 12:25:15,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:15,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:15,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:15,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:15,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:15,604 INFO L87 Difference]: Start difference. First operand 5348 states and 6882 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 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 12:25:16,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:16,948 INFO L93 Difference]: Finished difference Result 14174 states and 18487 transitions. [2022-11-16 12:25:16,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:16,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 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 204 [2022-11-16 12:25:16,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:16,985 INFO L225 Difference]: With dead ends: 14174 [2022-11-16 12:25:16,985 INFO L226 Difference]: Without dead ends: 9234 [2022-11-16 12:25:16,992 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 12:25:16,993 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 217 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:16,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 167 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:25:17,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9234 states. [2022-11-16 12:25:17,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9234 to 9226. [2022-11-16 12:25:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 9225 states have (on average 1.2719783197831978) internal successors, (11734), 9225 states have internal predecessors, (11734), 0 states have call successors, (0), 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 12:25:17,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 11734 transitions. [2022-11-16 12:25:17,250 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 11734 transitions. Word has length 204 [2022-11-16 12:25:17,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:17,250 INFO L495 AbstractCegarLoop]: Abstraction has 9226 states and 11734 transitions. [2022-11-16 12:25:17,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 2 states have internal predecessors, (187), 0 states have call successors, (0), 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 12:25:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 11734 transitions. [2022-11-16 12:25:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-16 12:25:17,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:17,264 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:25:17,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:25:17,266 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:17,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:17,267 INFO L85 PathProgramCache]: Analyzing trace with hash 338982323, now seen corresponding path program 1 times [2022-11-16 12:25:17,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:17,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297323999] [2022-11-16 12:25:17,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:17,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 12:25:17,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:17,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297323999] [2022-11-16 12:25:17,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297323999] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:17,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570551233] [2022-11-16 12:25:17,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:17,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:17,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:17,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:25:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:18,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:25:18,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 12:25:18,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:25:18,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570551233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:18,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:25:18,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 12:25:18,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76355346] [2022-11-16 12:25:18,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:18,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:18,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:18,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:18,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:18,458 INFO L87 Difference]: Start difference. First operand 9226 states and 11734 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 12:25:19,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:19,795 INFO L93 Difference]: Finished difference Result 18272 states and 23294 transitions. [2022-11-16 12:25:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:19,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 208 [2022-11-16 12:25:19,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:19,840 INFO L225 Difference]: With dead ends: 18272 [2022-11-16 12:25:19,840 INFO L226 Difference]: Without dead ends: 9048 [2022-11-16 12:25:19,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:19,852 INFO L413 NwaCegarLoop]: 328 mSDtfsCounter, 81 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:19,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 350 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:25:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9048 states. [2022-11-16 12:25:20,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9048 to 9023. [2022-11-16 12:25:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9023 states, 9022 states have (on average 1.262912879627577) internal successors, (11394), 9022 states have internal predecessors, (11394), 0 states have call successors, (0), 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 12:25:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9023 states to 9023 states and 11394 transitions. [2022-11-16 12:25:20,070 INFO L78 Accepts]: Start accepts. Automaton has 9023 states and 11394 transitions. Word has length 208 [2022-11-16 12:25:20,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:20,071 INFO L495 AbstractCegarLoop]: Abstraction has 9023 states and 11394 transitions. [2022-11-16 12:25:20,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 12:25:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 9023 states and 11394 transitions. [2022-11-16 12:25:20,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-11-16 12:25:20,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:20,089 INFO L195 NwaCegarLoop]: trace histogram [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, 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] [2022-11-16 12:25:20,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:20,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-16 12:25:20,299 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:20,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:20,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1274347428, now seen corresponding path program 1 times [2022-11-16 12:25:20,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:20,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145062488] [2022-11-16 12:25:20,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:20,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 93 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-16 12:25:21,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:21,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145062488] [2022-11-16 12:25:21,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145062488] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:21,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674745519] [2022-11-16 12:25:21,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:21,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:21,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:21,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:21,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:25:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:21,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:25:21,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-16 12:25:21,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:25:21,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674745519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:21,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:25:21,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-16 12:25:21,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44100093] [2022-11-16 12:25:21,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:21,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:21,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:21,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:21,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:21,582 INFO L87 Difference]: Start difference. First operand 9023 states and 11394 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 12:25:22,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:22,305 INFO L93 Difference]: Finished difference Result 17391 states and 22071 transitions. [2022-11-16 12:25:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:22,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 242 [2022-11-16 12:25:22,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:22,326 INFO L225 Difference]: With dead ends: 17391 [2022-11-16 12:25:22,326 INFO L226 Difference]: Without dead ends: 8776 [2022-11-16 12:25:22,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:22,335 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 308 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:22,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 12:25:22,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8776 states. [2022-11-16 12:25:22,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8776 to 8776. [2022-11-16 12:25:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8776 states, 8775 states have (on average 1.2361253561253562) internal successors, (10847), 8775 states have internal predecessors, (10847), 0 states have call successors, (0), 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 12:25:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8776 states to 8776 states and 10847 transitions. [2022-11-16 12:25:22,522 INFO L78 Accepts]: Start accepts. Automaton has 8776 states and 10847 transitions. Word has length 242 [2022-11-16 12:25:22,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:22,523 INFO L495 AbstractCegarLoop]: Abstraction has 8776 states and 10847 transitions. [2022-11-16 12:25:22,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 12:25:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 8776 states and 10847 transitions. [2022-11-16 12:25:22,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-16 12:25:22,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:22,540 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:25:22,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:22,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 12:25:22,747 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:22,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:22,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1060980689, now seen corresponding path program 1 times [2022-11-16 12:25:22,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:22,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439936853] [2022-11-16 12:25:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:23,292 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 12:25:23,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:23,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439936853] [2022-11-16 12:25:23,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439936853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:23,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:23,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:23,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452709018] [2022-11-16 12:25:23,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:23,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:25:23,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:23,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:25:23,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:25:23,296 INFO L87 Difference]: Start difference. First operand 8776 states and 10847 transitions. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 12:25:24,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:24,782 INFO L93 Difference]: Finished difference Result 22219 states and 27711 transitions. [2022-11-16 12:25:24,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:25:24,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 247 [2022-11-16 12:25:24,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:24,814 INFO L225 Difference]: With dead ends: 22219 [2022-11-16 12:25:24,814 INFO L226 Difference]: Without dead ends: 13851 [2022-11-16 12:25:24,824 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 12:25:24,824 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 451 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:24,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 55 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 12:25:24,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13851 states. [2022-11-16 12:25:25,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13851 to 13445. [2022-11-16 12:25:25,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13445 states, 13444 states have (on average 1.1928741445998214) internal successors, (16037), 13444 states have internal predecessors, (16037), 0 states have call successors, (0), 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 12:25:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13445 states to 13445 states and 16037 transitions. [2022-11-16 12:25:25,096 INFO L78 Accepts]: Start accepts. Automaton has 13445 states and 16037 transitions. Word has length 247 [2022-11-16 12:25:25,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:25,097 INFO L495 AbstractCegarLoop]: Abstraction has 13445 states and 16037 transitions. [2022-11-16 12:25:25,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 12:25:25,098 INFO L276 IsEmpty]: Start isEmpty. Operand 13445 states and 16037 transitions. [2022-11-16 12:25:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-16 12:25:25,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:25,118 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, 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] [2022-11-16 12:25:25,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:25:25,119 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:25,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:25,120 INFO L85 PathProgramCache]: Analyzing trace with hash -892888228, now seen corresponding path program 1 times [2022-11-16 12:25:25,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:25,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520113592] [2022-11-16 12:25:25,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:25,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-16 12:25:25,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:25,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520113592] [2022-11-16 12:25:25,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520113592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:25,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:25,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:25,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769105910] [2022-11-16 12:25:25,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:25,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:25,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:25,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:25,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:25,770 INFO L87 Difference]: Start difference. First operand 13445 states and 16037 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 12:25:27,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:27,138 INFO L93 Difference]: Finished difference Result 35644 states and 42941 transitions. [2022-11-16 12:25:27,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:27,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 255 [2022-11-16 12:25:27,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:27,194 INFO L225 Difference]: With dead ends: 35644 [2022-11-16 12:25:27,195 INFO L226 Difference]: Without dead ends: 22810 [2022-11-16 12:25:27,210 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 12:25:27,211 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 226 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:27,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 111 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:25:27,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22810 states. [2022-11-16 12:25:27,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22810 to 22807. [2022-11-16 12:25:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22807 states, 22806 states have (on average 1.1956941155836183) internal successors, (27269), 22806 states have internal predecessors, (27269), 0 states have call successors, (0), 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 12:25:27,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22807 states to 22807 states and 27269 transitions. [2022-11-16 12:25:27,762 INFO L78 Accepts]: Start accepts. Automaton has 22807 states and 27269 transitions. Word has length 255 [2022-11-16 12:25:27,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:27,763 INFO L495 AbstractCegarLoop]: Abstraction has 22807 states and 27269 transitions. [2022-11-16 12:25:27,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 12:25:27,763 INFO L276 IsEmpty]: Start isEmpty. Operand 22807 states and 27269 transitions. [2022-11-16 12:25:27,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-16 12:25:27,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:27,794 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:27,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:25:27,795 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:27,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:27,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1106386329, now seen corresponding path program 1 times [2022-11-16 12:25:27,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:27,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193373045] [2022-11-16 12:25:27,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:27,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-16 12:25:28,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:28,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193373045] [2022-11-16 12:25:28,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193373045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:28,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:28,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:28,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916125440] [2022-11-16 12:25:28,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:28,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:28,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:28,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:28,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:28,378 INFO L87 Difference]: Start difference. First operand 22807 states and 27269 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 12:25:29,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:29,704 INFO L93 Difference]: Finished difference Result 36250 states and 43285 transitions. [2022-11-16 12:25:29,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:29,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 261 [2022-11-16 12:25:29,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:29,755 INFO L225 Difference]: With dead ends: 36250 [2022-11-16 12:25:29,756 INFO L226 Difference]: Without dead ends: 23822 [2022-11-16 12:25:29,775 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 12:25:29,776 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 161 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:29,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 360 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 12:25:29,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23822 states. [2022-11-16 12:25:30,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23822 to 23822. [2022-11-16 12:25:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23822 states, 23821 states have (on average 1.1860543218168842) internal successors, (28253), 23821 states have internal predecessors, (28253), 0 states have call successors, (0), 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 12:25:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23822 states to 23822 states and 28253 transitions. [2022-11-16 12:25:30,298 INFO L78 Accepts]: Start accepts. Automaton has 23822 states and 28253 transitions. Word has length 261 [2022-11-16 12:25:30,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:30,299 INFO L495 AbstractCegarLoop]: Abstraction has 23822 states and 28253 transitions. [2022-11-16 12:25:30,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 12:25:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 23822 states and 28253 transitions. [2022-11-16 12:25:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-16 12:25:30,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:30,344 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:25:30,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:25:30,344 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:30,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:30,345 INFO L85 PathProgramCache]: Analyzing trace with hash 609352996, now seen corresponding path program 1 times [2022-11-16 12:25:30,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:30,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914290473] [2022-11-16 12:25:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:30,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-16 12:25:30,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:30,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914290473] [2022-11-16 12:25:30,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914290473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:30,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:30,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:30,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809430487] [2022-11-16 12:25:30,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:30,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:30,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:30,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:30,729 INFO L87 Difference]: Start difference. First operand 23822 states and 28253 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 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 12:25:32,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:32,112 INFO L93 Difference]: Finished difference Result 52514 states and 62881 transitions. [2022-11-16 12:25:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:32,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 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 271 [2022-11-16 12:25:32,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:32,155 INFO L225 Difference]: With dead ends: 52514 [2022-11-16 12:25:32,155 INFO L226 Difference]: Without dead ends: 30318 [2022-11-16 12:25:32,172 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 12:25:32,173 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 140 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:32,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 151 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 12:25:32,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30318 states. [2022-11-16 12:25:32,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30318 to 30318. [2022-11-16 12:25:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30318 states, 30317 states have (on average 1.1489923145429957) internal successors, (34834), 30317 states have internal predecessors, (34834), 0 states have call successors, (0), 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 12:25:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30318 states to 30318 states and 34834 transitions. [2022-11-16 12:25:32,734 INFO L78 Accepts]: Start accepts. Automaton has 30318 states and 34834 transitions. Word has length 271 [2022-11-16 12:25:32,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:32,734 INFO L495 AbstractCegarLoop]: Abstraction has 30318 states and 34834 transitions. [2022-11-16 12:25:32,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 2 states have internal predecessors, (234), 0 states have call successors, (0), 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 12:25:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 30318 states and 34834 transitions. [2022-11-16 12:25:32,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-16 12:25:32,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:32,763 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:25:32,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:25:32,764 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:32,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:32,765 INFO L85 PathProgramCache]: Analyzing trace with hash -614942145, now seen corresponding path program 1 times [2022-11-16 12:25:32,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:32,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654411961] [2022-11-16 12:25:32,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:32,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 12:25:33,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:33,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654411961] [2022-11-16 12:25:33,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654411961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:33,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:33,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:25:33,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176251245] [2022-11-16 12:25:33,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:33,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:33,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:33,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:33,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:33,366 INFO L87 Difference]: Start difference. First operand 30318 states and 34834 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:34,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:34,715 INFO L93 Difference]: Finished difference Result 54341 states and 62556 transitions. [2022-11-16 12:25:34,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:34,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2022-11-16 12:25:34,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:34,761 INFO L225 Difference]: With dead ends: 54341 [2022-11-16 12:25:34,762 INFO L226 Difference]: Without dead ends: 36838 [2022-11-16 12:25:34,779 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 12:25:34,780 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 160 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:34,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 179 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 12:25:34,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36838 states. [2022-11-16 12:25:35,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36838 to 33781. [2022-11-16 12:25:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33781 states, 33780 states have (on average 1.159650680876258) internal successors, (39173), 33780 states have internal predecessors, (39173), 0 states have call successors, (0), 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 12:25:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33781 states to 33781 states and 39173 transitions. [2022-11-16 12:25:35,529 INFO L78 Accepts]: Start accepts. Automaton has 33781 states and 39173 transitions. Word has length 278 [2022-11-16 12:25:35,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:35,530 INFO L495 AbstractCegarLoop]: Abstraction has 33781 states and 39173 transitions. [2022-11-16 12:25:35,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:25:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 33781 states and 39173 transitions. [2022-11-16 12:25:35,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-16 12:25:35,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:35,559 INFO L195 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:25:35,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 12:25:35,560 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:35,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:35,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1402650254, now seen corresponding path program 1 times [2022-11-16 12:25:35,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:35,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585397185] [2022-11-16 12:25:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:35,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:36,251 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-16 12:25:36,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:36,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585397185] [2022-11-16 12:25:36,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585397185] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:36,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623580876] [2022-11-16 12:25:36,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:36,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:36,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:36,256 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:36,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:25:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:36,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:25:36,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-16 12:25:36,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:25:36,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623580876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:36,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:25:36,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 12:25:36,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290255641] [2022-11-16 12:25:36,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:36,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:36,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:36,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:36,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:36,948 INFO L87 Difference]: Start difference. First operand 33781 states and 39173 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 12:25:38,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:38,476 INFO L93 Difference]: Finished difference Result 73076 states and 85096 transitions. [2022-11-16 12:25:38,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:38,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 283 [2022-11-16 12:25:38,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:38,528 INFO L225 Difference]: With dead ends: 73076 [2022-11-16 12:25:38,528 INFO L226 Difference]: Without dead ends: 41327 [2022-11-16 12:25:38,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:38,554 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 100 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:38,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 91 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:25:38,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41327 states. [2022-11-16 12:25:39,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41327 to 39894. [2022-11-16 12:25:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39894 states, 39893 states have (on average 1.1409019126162485) internal successors, (45514), 39893 states have internal predecessors, (45514), 0 states have call successors, (0), 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 12:25:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39894 states to 39894 states and 45514 transitions. [2022-11-16 12:25:39,502 INFO L78 Accepts]: Start accepts. Automaton has 39894 states and 45514 transitions. Word has length 283 [2022-11-16 12:25:39,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:39,503 INFO L495 AbstractCegarLoop]: Abstraction has 39894 states and 45514 transitions. [2022-11-16 12:25:39,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 0 states have call successors, (0), 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 12:25:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 39894 states and 45514 transitions. [2022-11-16 12:25:39,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-16 12:25:39,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:39,530 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:25:39,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:39,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-16 12:25:39,737 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:39,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:39,738 INFO L85 PathProgramCache]: Analyzing trace with hash 209122463, now seen corresponding path program 1 times [2022-11-16 12:25:39,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:39,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346831808] [2022-11-16 12:25:39,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:39,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:25:40,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:40,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346831808] [2022-11-16 12:25:40,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346831808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:40,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:40,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:40,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663686553] [2022-11-16 12:25:40,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:40,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:40,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:40,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:40,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:25:40,207 INFO L87 Difference]: Start difference. First operand 39894 states and 45514 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 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 12:25:41,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:41,499 INFO L93 Difference]: Finished difference Result 72261 states and 82440 transitions. [2022-11-16 12:25:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:41,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 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 287 [2022-11-16 12:25:41,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:41,554 INFO L225 Difference]: With dead ends: 72261 [2022-11-16 12:25:41,554 INFO L226 Difference]: Without dead ends: 34399 [2022-11-16 12:25:41,577 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 12:25:41,578 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 218 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:41,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 349 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 12:25:41,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34399 states. [2022-11-16 12:25:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34399 to 34391. [2022-11-16 12:25:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34391 states, 34390 states have (on average 1.128351264902588) internal successors, (38804), 34390 states have internal predecessors, (38804), 0 states have call successors, (0), 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 12:25:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34391 states to 34391 states and 38804 transitions. [2022-11-16 12:25:42,380 INFO L78 Accepts]: Start accepts. Automaton has 34391 states and 38804 transitions. Word has length 287 [2022-11-16 12:25:42,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:42,381 INFO L495 AbstractCegarLoop]: Abstraction has 34391 states and 38804 transitions. [2022-11-16 12:25:42,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 0 states have call successors, (0), 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 12:25:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 34391 states and 38804 transitions. [2022-11-16 12:25:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-11-16 12:25:42,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:42,417 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:42,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 12:25:42,417 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:42,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:42,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1112573616, now seen corresponding path program 1 times [2022-11-16 12:25:42,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:42,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072365838] [2022-11-16 12:25:42,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:42,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 118 proven. 6 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-16 12:25:43,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:43,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072365838] [2022-11-16 12:25:43,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072365838] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:43,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154521118] [2022-11-16 12:25:43,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:43,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:43,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:43,130 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:43,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 12:25:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:43,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:25:43,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-16 12:25:43,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:25:43,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154521118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:43,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:25:43,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 12:25:43,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456767129] [2022-11-16 12:25:43,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:43,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:43,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:43,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:43,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:43,497 INFO L87 Difference]: Start difference. First operand 34391 states and 38804 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 12:25:44,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:44,731 INFO L93 Difference]: Finished difference Result 65532 states and 74079 transitions. [2022-11-16 12:25:44,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:44,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 381 [2022-11-16 12:25:44,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:44,765 INFO L225 Difference]: With dead ends: 65532 [2022-11-16 12:25:44,765 INFO L226 Difference]: Without dead ends: 33173 [2022-11-16 12:25:44,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:44,777 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 239 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:44,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 118 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:25:44,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33173 states. [2022-11-16 12:25:45,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33173 to 31543. [2022-11-16 12:25:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31543 states, 31542 states have (on average 1.1144505738380572) internal successors, (35152), 31542 states have internal predecessors, (35152), 0 states have call successors, (0), 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 12:25:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31543 states to 31543 states and 35152 transitions. [2022-11-16 12:25:45,331 INFO L78 Accepts]: Start accepts. Automaton has 31543 states and 35152 transitions. Word has length 381 [2022-11-16 12:25:45,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:45,332 INFO L495 AbstractCegarLoop]: Abstraction has 31543 states and 35152 transitions. [2022-11-16 12:25:45,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 12:25:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 31543 states and 35152 transitions. [2022-11-16 12:25:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-11-16 12:25:45,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:45,371 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2022-11-16 12:25:45,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:45,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-16 12:25:45,578 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:45,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:45,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1832401213, now seen corresponding path program 1 times [2022-11-16 12:25:45,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:45,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686981018] [2022-11-16 12:25:45,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:45,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-16 12:25:46,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:46,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686981018] [2022-11-16 12:25:46,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686981018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:46,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:46,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:46,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71602450] [2022-11-16 12:25:46,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:46,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:25:46,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:46,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:25:46,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:25:46,362 INFO L87 Difference]: Start difference. First operand 31543 states and 35152 transitions. Second operand has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 12:25:47,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:47,849 INFO L93 Difference]: Finished difference Result 65348 states and 72943 transitions. [2022-11-16 12:25:47,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:25:47,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 385 [2022-11-16 12:25:47,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:47,895 INFO L225 Difference]: With dead ends: 65348 [2022-11-16 12:25:47,895 INFO L226 Difference]: Without dead ends: 34416 [2022-11-16 12:25:47,913 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 12:25:47,914 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 376 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:47,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 115 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:25:47,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34416 states. [2022-11-16 12:25:48,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34416 to 32769. [2022-11-16 12:25:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32769 states, 32768 states have (on average 1.115478515625) internal successors, (36552), 32768 states have internal predecessors, (36552), 0 states have call successors, (0), 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 12:25:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32769 states to 32769 states and 36552 transitions. [2022-11-16 12:25:48,456 INFO L78 Accepts]: Start accepts. Automaton has 32769 states and 36552 transitions. Word has length 385 [2022-11-16 12:25:48,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:48,456 INFO L495 AbstractCegarLoop]: Abstraction has 32769 states and 36552 transitions. [2022-11-16 12:25:48,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.5) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 12:25:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32769 states and 36552 transitions. [2022-11-16 12:25:48,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-16 12:25:48,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:48,500 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:25:48,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 12:25:48,501 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:48,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:48,501 INFO L85 PathProgramCache]: Analyzing trace with hash -994476096, now seen corresponding path program 1 times [2022-11-16 12:25:48,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:48,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865060500] [2022-11-16 12:25:48,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:48,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-16 12:25:49,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:49,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865060500] [2022-11-16 12:25:49,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865060500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:49,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:25:49,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:25:49,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198911565] [2022-11-16 12:25:49,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:49,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:25:49,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:49,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:25:49,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:25:49,135 INFO L87 Difference]: Start difference. First operand 32769 states and 36552 transitions. Second operand has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 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 12:25:50,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:50,683 INFO L93 Difference]: Finished difference Result 97088 states and 108424 transitions. [2022-11-16 12:25:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:25:50,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 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 397 [2022-11-16 12:25:50,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:50,757 INFO L225 Difference]: With dead ends: 97088 [2022-11-16 12:25:50,758 INFO L226 Difference]: Without dead ends: 64930 [2022-11-16 12:25:50,781 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 12:25:50,782 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 429 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:50,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 495 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 12:25:50,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64930 states. [2022-11-16 12:25:51,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64930 to 64928. [2022-11-16 12:25:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64928 states, 64927 states have (on average 1.114621035932663) internal successors, (72369), 64927 states have internal predecessors, (72369), 0 states have call successors, (0), 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 12:25:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64928 states to 64928 states and 72369 transitions. [2022-11-16 12:25:52,082 INFO L78 Accepts]: Start accepts. Automaton has 64928 states and 72369 transitions. Word has length 397 [2022-11-16 12:25:52,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:52,082 INFO L495 AbstractCegarLoop]: Abstraction has 64928 states and 72369 transitions. [2022-11-16 12:25:52,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.5) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 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 12:25:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 64928 states and 72369 transitions. [2022-11-16 12:25:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-11-16 12:25:52,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:52,361 INFO L195 NwaCegarLoop]: trace histogram [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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:25:52,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 12:25:52,361 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:52,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:52,362 INFO L85 PathProgramCache]: Analyzing trace with hash 311525937, now seen corresponding path program 1 times [2022-11-16 12:25:52,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:52,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139025193] [2022-11-16 12:25:52,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:52,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 143 proven. 6 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-16 12:25:53,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:53,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139025193] [2022-11-16 12:25:53,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139025193] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:53,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601087262] [2022-11-16 12:25:53,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:53,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:53,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:53,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:53,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 12:25:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:53,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:25:53,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:53,470 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-16 12:25:53,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:25:53,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601087262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:53,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:25:53,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 12:25:53,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267479897] [2022-11-16 12:25:53,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:53,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:53,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:53,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:53,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:53,473 INFO L87 Difference]: Start difference. First operand 64928 states and 72369 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 12:25:54,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:54,656 INFO L93 Difference]: Finished difference Result 133344 states and 148656 transitions. [2022-11-16 12:25:54,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:54,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 401 [2022-11-16 12:25:54,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:54,728 INFO L225 Difference]: With dead ends: 133344 [2022-11-16 12:25:54,728 INFO L226 Difference]: Without dead ends: 69027 [2022-11-16 12:25:54,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:54,757 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 205 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:54,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 126 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 12:25:54,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69027 states. [2022-11-16 12:25:55,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69027 to 62480. [2022-11-16 12:25:55,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62480 states, 62479 states have (on average 1.110309063845452) internal successors, (69371), 62479 states have internal predecessors, (69371), 0 states have call successors, (0), 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 12:25:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62480 states to 62480 states and 69371 transitions. [2022-11-16 12:25:56,139 INFO L78 Accepts]: Start accepts. Automaton has 62480 states and 69371 transitions. Word has length 401 [2022-11-16 12:25:56,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:56,139 INFO L495 AbstractCegarLoop]: Abstraction has 62480 states and 69371 transitions. [2022-11-16 12:25:56,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 12:25:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 62480 states and 69371 transitions. [2022-11-16 12:25:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-11-16 12:25:56,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:25:56,191 INFO L195 NwaCegarLoop]: trace histogram [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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:25:56,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:56,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:56,393 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:25:56,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:25:56,394 INFO L85 PathProgramCache]: Analyzing trace with hash 616995643, now seen corresponding path program 1 times [2022-11-16 12:25:56,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:25:56,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853429415] [2022-11-16 12:25:56,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:56,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:25:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:57,019 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-16 12:25:57,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:25:57,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853429415] [2022-11-16 12:25:57,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853429415] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:25:57,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961948555] [2022-11-16 12:25:57,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:25:57,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:57,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:25:57,027 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:25:57,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 12:25:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:25:57,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:25:57,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:25:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2022-11-16 12:25:57,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:25:57,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961948555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:25:57,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:25:57,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-16 12:25:57,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099495446] [2022-11-16 12:25:57,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:25:57,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:25:57,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:25:57,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:25:57,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:57,593 INFO L87 Difference]: Start difference. First operand 62480 states and 69371 transitions. Second operand has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 12:25:58,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:25:58,800 INFO L93 Difference]: Finished difference Result 121083 states and 134510 transitions. [2022-11-16 12:25:58,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:25:58,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 405 [2022-11-16 12:25:58,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:25:58,804 INFO L225 Difference]: With dead ends: 121083 [2022-11-16 12:25:58,804 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:25:58,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:25:58,838 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 94 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:25:58,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 95 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 12:25:58,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:25:58,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:25:58,839 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 12:25:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:25:58,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 405 [2022-11-16 12:25:58,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:25:58,840 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:25:58,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 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 12:25:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:25:58,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:25:58,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:25:58,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:25:59,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:25:59,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:26:16,630 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-16 12:26:16,630 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-16 12:26:16,630 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,630 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-11-16 12:26:16,631 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,632 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,633 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,633 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,633 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,633 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,633 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-16 12:26:16,633 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-16 12:26:16,634 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-11-16 12:26:16,634 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,634 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,634 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,634 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,634 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,634 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,635 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-16 12:26:16,635 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-16 12:26:16,635 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,635 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-11-16 12:26:16,635 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,635 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-16 12:26:16,635 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-16 12:26:16,636 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-11-16 12:26:16,637 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,637 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,637 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,637 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,637 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-11-16 12:26:16,637 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-11-16 12:26:16,638 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,638 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,638 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,638 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,638 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,638 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,638 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,639 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,639 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,639 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,639 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-16 12:26:16,639 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-16 12:26:16,639 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-11-16 12:26:16,639 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,640 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,640 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,640 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,640 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,640 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,640 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-11-16 12:26:16,641 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-16 12:26:16,641 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-11-16 12:26:16,641 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,641 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,641 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,641 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,641 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,642 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,642 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-16 12:26:16,642 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-16 12:26:16,642 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-11-16 12:26:16,642 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,642 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,642 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,643 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-11-16 12:26:16,643 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,643 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-11-16 12:26:16,643 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:26:16,643 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,643 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,644 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-11-16 12:26:16,644 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-11-16 12:26:16,644 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,644 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,644 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,644 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,644 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,645 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,645 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,645 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-11-16 12:26:16,645 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-11-16 12:26:16,645 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-16 12:26:16,645 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-16 12:26:16,645 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-11-16 12:26:16,646 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,646 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,646 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,646 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,646 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,646 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,647 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,647 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,647 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,647 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,647 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-16 12:26:16,647 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-16 12:26:16,647 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-11-16 12:26:16,648 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,648 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,648 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,648 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,648 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,648 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,648 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,649 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,649 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,649 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:26:16,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1516) no Hoare annotation was computed. [2022-11-16 12:26:16,649 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-16 12:26:16,649 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-16 12:26:16,650 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-11-16 12:26:16,650 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-11-16 12:26:16,650 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-11-16 12:26:16,650 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,650 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,650 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,651 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,651 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,651 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,651 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,651 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,651 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-16 12:26:16,651 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-16 12:26:16,652 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-11-16 12:26:16,652 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,652 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,652 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,652 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-11-16 12:26:16,652 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-11-16 12:26:16,653 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,653 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,653 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,653 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-11-16 12:26:16,653 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,653 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-11-16 12:26:16,653 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,654 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-11-16 12:26:16,654 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,654 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,654 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-11-16 12:26:16,654 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-11-16 12:26:16,654 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-11-16 12:26:16,654 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-11-16 12:26:16,655 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-16 12:26:16,655 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-16 12:26:16,655 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-16 12:26:16,655 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,655 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,655 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,656 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse9 (= ~a16~0 1)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse7 (= ~a11~0 1)) (.cse13 (= ~a6~0 0)) (.cse2 (= ~a3~0 1)) (.cse5 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a26~0 0)) (.cse4 (<= ~a11~0 0)) (.cse10 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse11 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse0 .cse9 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse4 .cse10 .cse8 .cse11) (and .cse0 .cse12 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse1 .cse12 .cse4 .cse5 .cse11) (and (= ~a15~0 1) .cse0 .cse7 .cse3 .cse8 (= ~a12~0 ~a6~0)) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse12 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse4 .cse8 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse7 .cse13 .cse2 .cse10 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse12 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse12 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse10 .cse8) (and .cse0 .cse12 .cse7 .cse10 .cse8 .cse11) (and .cse0 .cse1 .cse9 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse7 .cse2 .cse3 (= ~a22~0 1) .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse2 .cse4 .cse10 .cse5 .cse11) (and .cse0 .cse1 .cse7 .cse13 .cse2 .cse5) (and .cse0 .cse12 .cse4 .cse10 .cse8 .cse11))) [2022-11-16 12:26:16,656 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,657 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,657 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,657 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-16 12:26:16,657 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-11-16 12:26:16,657 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,657 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,658 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,658 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-11-16 12:26:16,658 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,658 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,658 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,658 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,658 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,659 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-11-16 12:26:16,660 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse9 (= ~a16~0 1)) (.cse3 (= ~a6~0 1)) (.cse6 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse7 (= ~a11~0 1)) (.cse13 (= ~a6~0 0)) (.cse2 (= ~a3~0 1)) (.cse5 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a26~0 0)) (.cse4 (<= ~a11~0 0)) (.cse10 (<= ~a12~0 0)) (.cse8 (= ~a27~0 1)) (.cse11 (<= ~a6~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse8) (and .cse0 .cse9 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse7 .cse5 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse1 .cse7 .cse3 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse1 .cse4 .cse8 .cse11) (and .cse6 .cse0 .cse4 .cse10 .cse8 .cse11) (and .cse0 .cse12 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse1 .cse12 .cse4 .cse5 .cse11) (and (= ~a15~0 1) .cse0 .cse7 .cse3 .cse8 (= ~a12~0 ~a6~0)) (and .cse6 .cse0 .cse1 .cse7 .cse8 .cse11) (and .cse0 .cse1 .cse12 .cse3 .cse4 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse9 .cse12 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse12 .cse4 .cse8 .cse11) (and .cse0 .cse9 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse3 .cse4 .cse10 .cse5) (and .cse0 .cse7 .cse13 .cse2 .cse10 .cse5) (and .cse6 .cse0 .cse7 .cse3 .cse10 .cse8) (and .cse0 .cse7 .cse3 .cse10 .cse5) (and .cse0 .cse12 .cse7 .cse10 .cse5 .cse11) (and .cse0 .cse12 .cse3 .cse4 .cse10 .cse8) (and .cse6 .cse0 .cse7 .cse10 .cse8 .cse11) (and .cse6 .cse0 .cse2 .cse3 .cse10 .cse8) (and .cse0 .cse12 .cse7 .cse10 .cse8 .cse11) (and .cse0 .cse1 .cse9 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse9 .cse12 .cse7 .cse2 .cse3 (= ~a22~0 1) .cse5) (and .cse6 .cse0 .cse1 .cse4 .cse5 .cse11) (and .cse0 .cse2 .cse4 .cse10 .cse5 .cse11) (and .cse0 .cse1 .cse7 .cse13 .cse2 .cse5) (and .cse0 .cse12 .cse4 .cse10 .cse8 .cse11))) [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,661 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,662 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,663 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-16 12:26:16,664 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-11-16 12:26:16,664 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-11-16 12:26:16,664 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,664 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,664 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,664 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,664 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,665 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,665 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,665 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,665 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-11-16 12:26:16,665 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-11-16 12:26:16,665 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,666 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,666 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-16 12:26:16,666 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-11-16 12:26:16,666 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-11-16 12:26:16,666 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,666 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,666 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,667 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,667 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,667 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:26:16,667 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,667 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,667 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,668 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,668 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,668 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,668 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-16 12:26:16,668 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-11-16 12:26:16,668 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-11-16 12:26:16,668 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,669 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,669 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,669 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,669 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,669 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,669 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,669 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-11-16 12:26:16,669 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-11-16 12:26:16,670 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,670 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-16 12:26:16,670 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-16 12:26:16,670 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-11-16 12:26:16,670 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,670 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,670 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,671 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,671 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-11-16 12:26:16,671 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-11-16 12:26:16,671 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-11-16 12:26:16,671 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,671 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,672 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-11-16 12:26:16,675 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] [2022-11-16 12:26:16,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:26:16,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:26:16 BoogieIcfgContainer [2022-11-16 12:26:16,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:26:16,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:26:16,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:26:16,737 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:26:16,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:58" (3/4) ... [2022-11-16 12:26:16,741 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:26:16,789 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:26:16,791 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:26:16,795 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:26:16,798 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:26:16,990 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:26:16,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:26:16,995 INFO L158 Benchmark]: Toolchain (without parser) took 82961.80ms. Allocated memory was 121.6MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 76.1MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-16 12:26:16,995 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:16,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.12ms. Allocated memory is still 121.6MB. Free memory was 76.0MB in the beginning and 44.1MB in the end (delta: 31.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 12:26:16,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.41ms. Allocated memory was 121.6MB in the beginning and 192.9MB in the end (delta: 71.3MB). Free memory was 44.1MB in the beginning and 153.6MB in the end (delta: -109.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-16 12:26:16,996 INFO L158 Benchmark]: Boogie Preprocessor took 144.72ms. Allocated memory is still 192.9MB. Free memory was 153.6MB in the beginning and 143.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:26:16,996 INFO L158 Benchmark]: RCFGBuilder took 2673.29ms. Allocated memory is still 192.9MB. Free memory was 143.1MB in the beginning and 77.4MB in the end (delta: 65.7MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2022-11-16 12:26:16,997 INFO L158 Benchmark]: TraceAbstraction took 78280.91ms. Allocated memory was 192.9MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 77.4MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2022-11-16 12:26:16,999 INFO L158 Benchmark]: Witness Printer took 253.13ms. Allocated memory is still 7.5GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 12:26:17,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.12ms. Allocated memory is still 121.6MB. Free memory was 76.0MB in the beginning and 44.1MB in the end (delta: 31.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.41ms. Allocated memory was 121.6MB in the beginning and 192.9MB in the end (delta: 71.3MB). Free memory was 44.1MB in the beginning and 153.6MB in the end (delta: -109.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.72ms. Allocated memory is still 192.9MB. Free memory was 153.6MB in the beginning and 143.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2673.29ms. Allocated memory is still 192.9MB. Free memory was 143.1MB in the beginning and 77.4MB in the end (delta: 65.7MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * TraceAbstraction took 78280.91ms. Allocated memory was 192.9MB in the beginning and 7.5GB in the end (delta: 7.3GB). Free memory was 77.4MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Witness Printer took 253.13ms. Allocated memory is still 7.5GB. Free memory was 5.7GB in the beginning and 5.7GB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1516]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.1s, OverallIterations: 22, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 31.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4939 SdHoareTripleChecker+Valid, 25.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4939 mSDsluCounter, 4565 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 2463 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14454 IncrementalHoareTripleChecker+Invalid, 16917 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2463 mSolverCounterUnsat, 3894 mSDtfsCounter, 14454 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1973 GetRequests, 1935 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64928occurred in iteration=20, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 15039 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 523 NumberOfFragments, 1307 HoareAnnotationTreeSize, 3 FomulaSimplifications, 180 FormulaSimplificationTreeSizeReduction, 8.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 21078 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 7683 NumberOfCodeBlocks, 7683 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 7655 ConstructedInterpolants, 0 QuantifiedInterpolants, 14206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3726 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 5531/5567 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a22 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a3 == 1) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a3 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a5 == 1 && a16 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a15 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && a11 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a6 == 1) && a11 <= 0) && a27 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 <= 0) && a11 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a16 == 1) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a3 == 1) && a12 <= 0) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a5 == 1 && a11 == 1) && a6 == 1) && a12 <= 0) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 <= 0) && a6 == 1) && a11 <= 0) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a5 == 1 && a26 <= 0) && a11 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && a26 <= 0) && a11 == 1) && a3 == 1) && a6 == 1) && a22 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 == 1) && a11 <= 0) && a12 <= 0) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a3 == 1) && a27 <= 0)) || (((((a5 == 1 && a26 <= 0) && a11 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0) RESULT: Ultimate proved your program to be correct! [2022-11-16 12:26:17,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a07ce46a-134f-44fd-8be4-b000f560be46/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