./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19a3ef648ea6e38f7d276220abc8bcbc6382e3dd9d7763e8b9d5f30e7cff149e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:50:10,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:50:10,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:50:10,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:50:10,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:50:10,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:50:10,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:50:10,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:50:10,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:50:10,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:50:10,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:50:10,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:50:10,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:50:10,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:50:10,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:50:10,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:50:10,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:50:10,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:50:10,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:50:10,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:50:10,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:50:10,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:50:10,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:50:10,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:50:10,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:50:10,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:50:10,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:50:10,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:50:10,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:50:10,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:50:10,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:50:10,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:50:10,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:50:10,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:50:10,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:50:10,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:50:10,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:50:10,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:50:10,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:50:10,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:50:10,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:50:10,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 21:50:10,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:50:10,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:50:10,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:50:10,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:50:10,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:50:10,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:50:10,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:50:10,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:50:10,413 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:50:10,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:50:10,413 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:50:10,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:50:10,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:50:10,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:50:10,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:50:10,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:50:10,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:50:10,414 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:50:10,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:50:10,414 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:50:10,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:50:10,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:50:10,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:50:10,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:50:10,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:50:10,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:50:10,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:50:10,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:50:10,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:50:10,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:50:10,416 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:50:10,416 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:50:10,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:50:10,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:50:10,416 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_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19a3ef648ea6e38f7d276220abc8bcbc6382e3dd9d7763e8b9d5f30e7cff149e [2021-12-06 21:50:10,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:50:10,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:50:10,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:50:10,620 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:50:10,621 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:50:10,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2021-12-06 21:50:10,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/data/98e93400a/bd9c30103d0b459a95d9e98abda04a87/FLAGbdea32e47 [2021-12-06 21:50:11,153 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:50:11,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2021-12-06 21:50:11,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/data/98e93400a/bd9c30103d0b459a95d9e98abda04a87/FLAGbdea32e47 [2021-12-06 21:50:11,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/data/98e93400a/bd9c30103d0b459a95d9e98abda04a87 [2021-12-06 21:50:11,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:50:11,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:50:11,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:50:11,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:50:11,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:50:11,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:11,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3e2c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11, skipping insertion in model container [2021-12-06 21:50:11,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:11,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:50:11,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:50:11,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/sv-benchmarks/c/eca-rers2012/Problem16_label26.c[3798,3811] [2021-12-06 21:50:11,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:50:11,653 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:50:11,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/sv-benchmarks/c/eca-rers2012/Problem16_label26.c[3798,3811] [2021-12-06 21:50:11,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:50:11,828 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:50:11,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11 WrapperNode [2021-12-06 21:50:11,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:50:11,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:50:11,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:50:11,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:50:11,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:11,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:11,958 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-12-06 21:50:11,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:50:11,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:50:11,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:50:11,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:50:11,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:11,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:11,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:11,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:12,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:12,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:12,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:12,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:50:12,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:50:12,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:50:12,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:50:12,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (1/1) ... [2021-12-06 21:50:12,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:50:12,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:50:12,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:50:12,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:50:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:50:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:50:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:50:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:50:12,160 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:50:12,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:50:13,649 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:50:13,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:50:13,659 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 21:50:13,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:50:13 BoogieIcfgContainer [2021-12-06 21:50:13,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:50:13,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:50:13,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:50:13,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:50:13,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:50:11" (1/3) ... [2021-12-06 21:50:13,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a6e2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:50:13, skipping insertion in model container [2021-12-06 21:50:13,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:50:11" (2/3) ... [2021-12-06 21:50:13,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a6e2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:50:13, skipping insertion in model container [2021-12-06 21:50:13,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:50:13" (3/3) ... [2021-12-06 21:50:13,667 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label26.c [2021-12-06 21:50:13,671 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:50:13,671 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:50:13,708 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:50:13,713 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 21:50:13,713 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:50:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 21:50:13,735 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:13,736 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:13,736 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:13,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash -596708735, now seen corresponding path program 1 times [2021-12-06 21:50:13,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:13,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721487196] [2021-12-06 21:50:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:13,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:50:13,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:13,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721487196] [2021-12-06 21:50:13,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721487196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:13,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:13,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:50:13,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742906727] [2021-12-06 21:50:13,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:13,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:13,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:13,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:13,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:13,937 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:15,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:15,097 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2021-12-06 21:50:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:15,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2021-12-06 21:50:15,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:15,115 INFO L225 Difference]: With dead ends: 1122 [2021-12-06 21:50:15,115 INFO L226 Difference]: Without dead ends: 662 [2021-12-06 21:50:15,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:15,121 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 352 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:15,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [352 Valid, 254 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 21:50:15,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-12-06 21:50:15,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-12-06 21:50:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions. [2021-12-06 21:50:15,192 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 35 [2021-12-06 21:50:15,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:15,193 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions. [2021-12-06 21:50:15,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions. [2021-12-06 21:50:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-06 21:50:15,197 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:15,198 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:15,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:50:15,198 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:15,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:15,199 INFO L85 PathProgramCache]: Analyzing trace with hash -160204538, now seen corresponding path program 1 times [2021-12-06 21:50:15,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:15,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870108392] [2021-12-06 21:50:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:15,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:50:15,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:15,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870108392] [2021-12-06 21:50:15,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870108392] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:15,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:15,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:50:15,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219047929] [2021-12-06 21:50:15,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:15,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:15,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:15,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:15,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:15,304 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:16,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:16,490 INFO L93 Difference]: Finished difference Result 1980 states and 3007 transitions. [2021-12-06 21:50:16,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:16,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2021-12-06 21:50:16,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:16,497 INFO L225 Difference]: With dead ends: 1980 [2021-12-06 21:50:16,497 INFO L226 Difference]: Without dead ends: 1320 [2021-12-06 21:50:16,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:16,499 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 268 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:16,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 217 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 21:50:16,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-12-06 21:50:16,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-12-06 21:50:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4556482183472328) internal successors, (1920), 1319 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1920 transitions. [2021-12-06 21:50:16,526 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1920 transitions. Word has length 103 [2021-12-06 21:50:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:16,526 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1920 transitions. [2021-12-06 21:50:16,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1920 transitions. [2021-12-06 21:50:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-06 21:50:16,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:16,529 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:16,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 21:50:16,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:16,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:16,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1741004193, now seen corresponding path program 1 times [2021-12-06 21:50:16,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:16,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097416473] [2021-12-06 21:50:16,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:16,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:50:16,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:16,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097416473] [2021-12-06 21:50:16,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097416473] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:16,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:16,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:50:16,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581950342] [2021-12-06 21:50:16,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:16,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:16,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:16,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:16,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:16,602 INFO L87 Difference]: Start difference. First operand 1320 states and 1920 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:17,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:17,575 INFO L93 Difference]: Finished difference Result 3954 states and 5755 transitions. [2021-12-06 21:50:17,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:17,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2021-12-06 21:50:17,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:17,590 INFO L225 Difference]: With dead ends: 3954 [2021-12-06 21:50:17,591 INFO L226 Difference]: Without dead ends: 2636 [2021-12-06 21:50:17,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:17,593 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 369 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:17,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 155 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 21:50:17,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2021-12-06 21:50:17,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2021-12-06 21:50:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3240986717267553) internal successors, (3489), 2635 states have internal predecessors, (3489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3489 transitions. [2021-12-06 21:50:17,634 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3489 transitions. Word has length 114 [2021-12-06 21:50:17,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:17,635 INFO L470 AbstractCegarLoop]: Abstraction has 2636 states and 3489 transitions. [2021-12-06 21:50:17,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3489 transitions. [2021-12-06 21:50:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-06 21:50:17,639 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:17,639 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 21:50:17,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 21:50:17,639 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:17,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:17,640 INFO L85 PathProgramCache]: Analyzing trace with hash 2737761, now seen corresponding path program 1 times [2021-12-06 21:50:17,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:17,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073550531] [2021-12-06 21:50:17,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:17,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 21:50:17,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:17,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073550531] [2021-12-06 21:50:17,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073550531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:17,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:17,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:50:17,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739577599] [2021-12-06 21:50:17,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:17,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:17,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:17,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:17,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:17,748 INFO L87 Difference]: Start difference. First operand 2636 states and 3489 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:18,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:18,650 INFO L93 Difference]: Finished difference Result 6586 states and 8545 transitions. [2021-12-06 21:50:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:18,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 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 232 [2021-12-06 21:50:18,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:18,664 INFO L225 Difference]: With dead ends: 6586 [2021-12-06 21:50:18,665 INFO L226 Difference]: Without dead ends: 3952 [2021-12-06 21:50:18,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:18,668 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 277 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:18,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 84 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 21:50:18,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-12-06 21:50:18,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-12-06 21:50:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-12-06 21:50:18,731 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 232 [2021-12-06 21:50:18,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:18,731 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-12-06 21:50:18,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-12-06 21:50:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-06 21:50:18,735 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:18,735 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:18,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 21:50:18,735 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:18,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:18,736 INFO L85 PathProgramCache]: Analyzing trace with hash -550188002, now seen corresponding path program 1 times [2021-12-06 21:50:18,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:18,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164198023] [2021-12-06 21:50:18,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:18,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:50:18,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:18,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164198023] [2021-12-06 21:50:18,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164198023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:18,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:18,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:18,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359879287] [2021-12-06 21:50:18,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:18,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:50:18,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:18,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:50:18,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:50:18,906 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:19,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:19,933 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-12-06 21:50:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:50:19,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 280 [2021-12-06 21:50:19,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:19,949 INFO L225 Difference]: With dead ends: 8269 [2021-12-06 21:50:19,949 INFO L226 Difference]: Without dead ends: 4319 [2021-12-06 21:50:19,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:50:19,953 INFO L933 BasicCegarLoop]: 271 mSDtfsCounter, 175 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:19,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 371 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 21:50:19,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-12-06 21:50:20,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-12-06 21:50:20,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-12-06 21:50:20,013 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 280 [2021-12-06 21:50:20,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:20,013 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-12-06 21:50:20,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:20,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-12-06 21:50:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-12-06 21:50:20,018 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:20,019 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:20,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 21:50:20,019 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:20,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:20,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1774097940, now seen corresponding path program 1 times [2021-12-06 21:50:20,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:20,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107383343] [2021-12-06 21:50:20,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:20,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:20,192 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:50:20,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:20,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107383343] [2021-12-06 21:50:20,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107383343] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:20,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:20,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:50:20,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277274130] [2021-12-06 21:50:20,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:20,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 21:50:20,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:20,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 21:50:20,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:50:20,194 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 52.42857142857143) internal successors, (367), 6 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:21,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:21,422 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-12-06 21:50:21,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:50:21,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.42857142857143) internal successors, (367), 6 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2021-12-06 21:50:21,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:21,437 INFO L225 Difference]: With dead ends: 8090 [2021-12-06 21:50:21,438 INFO L226 Difference]: Without dead ends: 3952 [2021-12-06 21:50:21,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:50:21,441 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 392 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 2011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:21,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [392 Valid, 286 Invalid, 2011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 21:50:21,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-12-06 21:50:21,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-12-06 21:50:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-12-06 21:50:21,483 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 367 [2021-12-06 21:50:21,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:21,484 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-12-06 21:50:21,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.42857142857143) internal successors, (367), 6 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-12-06 21:50:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-06 21:50:21,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:21,488 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:21,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 21:50:21,488 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:21,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:21,489 INFO L85 PathProgramCache]: Analyzing trace with hash 799876612, now seen corresponding path program 1 times [2021-12-06 21:50:21,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:21,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442502694] [2021-12-06 21:50:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:21,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-06 21:50:21,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:21,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442502694] [2021-12-06 21:50:21,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442502694] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:21,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:21,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:21,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016954085] [2021-12-06 21:50:21,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:21,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:21,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:21,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:21,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:21,589 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:22,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:22,241 INFO L93 Difference]: Finished difference Result 9218 states and 10060 transitions. [2021-12-06 21:50:22,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:22,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 374 [2021-12-06 21:50:22,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:22,260 INFO L225 Difference]: With dead ends: 9218 [2021-12-06 21:50:22,260 INFO L226 Difference]: Without dead ends: 5597 [2021-12-06 21:50:22,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:22,263 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 300 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:22,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 406 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:22,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-06 21:50:22,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-12-06 21:50:22,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0748749106504647) internal successors, (6015), 5596 states have internal predecessors, (6015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6015 transitions. [2021-12-06 21:50:22,324 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6015 transitions. Word has length 374 [2021-12-06 21:50:22,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:22,325 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 6015 transitions. [2021-12-06 21:50:22,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6015 transitions. [2021-12-06 21:50:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-12-06 21:50:22,328 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:22,329 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 21:50:22,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 21:50:22,329 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:22,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:22,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1213919491, now seen corresponding path program 1 times [2021-12-06 21:50:22,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:22,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156302933] [2021-12-06 21:50:22,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:22,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:22,455 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:50:22,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:22,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156302933] [2021-12-06 21:50:22,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156302933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:22,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:22,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:22,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690660460] [2021-12-06 21:50:22,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:22,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:22,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:22,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:22,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:22,458 INFO L87 Difference]: Start difference. First operand 5597 states and 6015 transitions. Second operand has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:23,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:23,094 INFO L93 Difference]: Finished difference Result 10863 states and 11697 transitions. [2021-12-06 21:50:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:23,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 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 429 [2021-12-06 21:50:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:23,113 INFO L225 Difference]: With dead ends: 10863 [2021-12-06 21:50:23,113 INFO L226 Difference]: Without dead ends: 5597 [2021-12-06 21:50:23,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:23,117 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 178 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:23,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 417 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:23,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states. [2021-12-06 21:50:23,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597. [2021-12-06 21:50:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0491422444603289) internal successors, (5871), 5596 states have internal predecessors, (5871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 5871 transitions. [2021-12-06 21:50:23,174 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 5871 transitions. Word has length 429 [2021-12-06 21:50:23,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:23,175 INFO L470 AbstractCegarLoop]: Abstraction has 5597 states and 5871 transitions. [2021-12-06 21:50:23,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 5871 transitions. [2021-12-06 21:50:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-12-06 21:50:23,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:23,179 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 21:50:23,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 21:50:23,179 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:23,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:23,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1986410989, now seen corresponding path program 1 times [2021-12-06 21:50:23,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:23,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340160099] [2021-12-06 21:50:23,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:23,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:50:23,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:23,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340160099] [2021-12-06 21:50:23,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340160099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:23,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:23,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:23,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990111728] [2021-12-06 21:50:23,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:23,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:50:23,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:23,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:50:23,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:50:23,328 INFO L87 Difference]: Start difference. First operand 5597 states and 5871 transitions. Second operand has 4 states, 4 states have (on average 128.25) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:24,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:24,579 INFO L93 Difference]: Finished difference Result 16456 states and 17283 transitions. [2021-12-06 21:50:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 21:50:24,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.25) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 513 [2021-12-06 21:50:24,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:24,598 INFO L225 Difference]: With dead ends: 16456 [2021-12-06 21:50:24,599 INFO L226 Difference]: Without dead ends: 11190 [2021-12-06 21:50:24,603 INFO L932 BasicCegarLoop]: 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 [2021-12-06 21:50:24,603 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 186 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:24,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 98 Invalid, 1828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 21:50:24,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states. [2021-12-06 21:50:24,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 9216. [2021-12-06 21:50:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9216 states, 9215 states have (on average 1.0493760173629951) internal successors, (9670), 9215 states have internal predecessors, (9670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9216 states to 9216 states and 9670 transitions. [2021-12-06 21:50:24,692 INFO L78 Accepts]: Start accepts. Automaton has 9216 states and 9670 transitions. Word has length 513 [2021-12-06 21:50:24,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:24,693 INFO L470 AbstractCegarLoop]: Abstraction has 9216 states and 9670 transitions. [2021-12-06 21:50:24,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.25) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 9216 states and 9670 transitions. [2021-12-06 21:50:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2021-12-06 21:50:24,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:24,697 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:24,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 21:50:24,698 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:24,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:24,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1297278532, now seen corresponding path program 1 times [2021-12-06 21:50:24,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:24,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312719109] [2021-12-06 21:50:24,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:24,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-06 21:50:24,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:24,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312719109] [2021-12-06 21:50:24,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312719109] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:24,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:24,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:24,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191983413] [2021-12-06 21:50:24,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:24,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:24,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:24,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:24,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:24,848 INFO L87 Difference]: Start difference. First operand 9216 states and 9670 transitions. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:25,498 INFO L93 Difference]: Finished difference Result 21062 states and 22144 transitions. [2021-12-06 21:50:25,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:25,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 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 533 [2021-12-06 21:50:25,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:25,517 INFO L225 Difference]: With dead ends: 21062 [2021-12-06 21:50:25,517 INFO L226 Difference]: Without dead ends: 12177 [2021-12-06 21:50:25,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:25,526 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 190 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:25,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 38 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2021-12-06 21:50:25,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 11519. [2021-12-06 21:50:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11519 states, 11518 states have (on average 1.0467963188053482) internal successors, (12057), 11518 states have internal predecessors, (12057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11519 states to 11519 states and 12057 transitions. [2021-12-06 21:50:25,694 INFO L78 Accepts]: Start accepts. Automaton has 11519 states and 12057 transitions. Word has length 533 [2021-12-06 21:50:25,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:25,695 INFO L470 AbstractCegarLoop]: Abstraction has 11519 states and 12057 transitions. [2021-12-06 21:50:25,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 11519 states and 12057 transitions. [2021-12-06 21:50:25,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2021-12-06 21:50:25,699 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:25,700 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:25,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 21:50:25,700 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:25,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:25,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1351696355, now seen corresponding path program 1 times [2021-12-06 21:50:25,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:25,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707508534] [2021-12-06 21:50:25,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:25,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 382 proven. 156 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 21:50:25,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:25,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707508534] [2021-12-06 21:50:25,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707508534] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:50:25,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572983434] [2021-12-06 21:50:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:25,951 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:50:25,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:50:25,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:50:25,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 21:50:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:26,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:50:26,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:50:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-12-06 21:50:26,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:50:26,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572983434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:26,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:50:26,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 21:50:26,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216137774] [2021-12-06 21:50:26,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:26,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:26,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:26,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:26,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:50:26,581 INFO L87 Difference]: Start difference. First operand 11519 states and 12057 transitions. Second operand has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:27,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:27,234 INFO L93 Difference]: Finished difference Result 25668 states and 26946 transitions. [2021-12-06 21:50:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:27,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 587 [2021-12-06 21:50:27,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:27,254 INFO L225 Difference]: With dead ends: 25668 [2021-12-06 21:50:27,255 INFO L226 Difference]: Without dead ends: 14480 [2021-12-06 21:50:27,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:50:27,263 INFO L933 BasicCegarLoop]: 436 mSDtfsCounter, 173 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:27,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 442 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:27,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states. [2021-12-06 21:50:27,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 13822. [2021-12-06 21:50:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.0451486867809854) internal successors, (14445), 13821 states have internal predecessors, (14445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14445 transitions. [2021-12-06 21:50:27,400 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14445 transitions. Word has length 587 [2021-12-06 21:50:27,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:27,401 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14445 transitions. [2021-12-06 21:50:27,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:27,401 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14445 transitions. [2021-12-06 21:50:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2021-12-06 21:50:27,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:27,407 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:27,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 21:50:27,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 21:50:27,608 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:27,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:27,609 INFO L85 PathProgramCache]: Analyzing trace with hash 2067726543, now seen corresponding path program 1 times [2021-12-06 21:50:27,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:27,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194854004] [2021-12-06 21:50:27,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:27,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:27,823 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2021-12-06 21:50:27,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:27,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194854004] [2021-12-06 21:50:27,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194854004] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:27,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:27,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:27,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034304265] [2021-12-06 21:50:27,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:27,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:27,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:27,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:27,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:27,826 INFO L87 Difference]: Start difference. First operand 13822 states and 14445 transitions. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:28,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:28,457 INFO L93 Difference]: Finished difference Result 27313 states and 28557 transitions. [2021-12-06 21:50:28,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:28,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 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 648 [2021-12-06 21:50:28,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:28,468 INFO L225 Difference]: With dead ends: 27313 [2021-12-06 21:50:28,468 INFO L226 Difference]: Without dead ends: 13822 [2021-12-06 21:50:28,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:28,477 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 312 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:28,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [312 Valid, 427 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:28,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-12-06 21:50:28,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 12835. [2021-12-06 21:50:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12835 states, 12834 states have (on average 1.0424653264765467) internal successors, (13379), 12834 states have internal predecessors, (13379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13379 transitions. [2021-12-06 21:50:28,616 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13379 transitions. Word has length 648 [2021-12-06 21:50:28,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:28,616 INFO L470 AbstractCegarLoop]: Abstraction has 12835 states and 13379 transitions. [2021-12-06 21:50:28,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13379 transitions. [2021-12-06 21:50:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2021-12-06 21:50:28,626 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:28,626 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:28,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 21:50:28,627 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:28,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:28,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1022116617, now seen corresponding path program 1 times [2021-12-06 21:50:28,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:28,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158208191] [2021-12-06 21:50:28,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:28,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 99 proven. 580 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-12-06 21:50:28,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:28,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158208191] [2021-12-06 21:50:28,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158208191] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:50:28,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268357510] [2021-12-06 21:50:28,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:28,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:50:28,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:50:28,902 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:50:28,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 21:50:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:29,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 997 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:50:29,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:50:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2021-12-06 21:50:29,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:50:29,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268357510] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:29,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:50:29,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-06 21:50:29,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642258049] [2021-12-06 21:50:29,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:29,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:29,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:29,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:29,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:29,615 INFO L87 Difference]: Start difference. First operand 12835 states and 13379 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:30,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:30,273 INFO L93 Difference]: Finished difference Result 30274 states and 31631 transitions. [2021-12-06 21:50:30,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:30,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 846 [2021-12-06 21:50:30,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:30,285 INFO L225 Difference]: With dead ends: 30274 [2021-12-06 21:50:30,285 INFO L226 Difference]: Without dead ends: 16125 [2021-12-06 21:50:30,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 846 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:30,295 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 304 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:30,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [304 Valid, 430 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:30,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states. [2021-12-06 21:50:30,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 15796. [2021-12-06 21:50:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0334283000949667) internal successors, (16323), 15795 states have internal predecessors, (16323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16323 transitions. [2021-12-06 21:50:30,443 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16323 transitions. Word has length 846 [2021-12-06 21:50:30,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:30,444 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16323 transitions. [2021-12-06 21:50:30,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16323 transitions. [2021-12-06 21:50:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1063 [2021-12-06 21:50:30,458 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:30,458 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:30,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 21:50:30,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:50:30,661 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:30,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:30,663 INFO L85 PathProgramCache]: Analyzing trace with hash -605319891, now seen corresponding path program 1 times [2021-12-06 21:50:30,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:30,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784687043] [2021-12-06 21:50:30,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:30,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 660 proven. 784 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2021-12-06 21:50:31,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:31,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784687043] [2021-12-06 21:50:31,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784687043] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:50:31,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524822954] [2021-12-06 21:50:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:31,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:50:31,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:50:31,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:50:31,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 21:50:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:31,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1240 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:50:31,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:50:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1780 backedges. 1012 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2021-12-06 21:50:31,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:50:31,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524822954] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:31,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:50:31,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-06 21:50:31,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739164517] [2021-12-06 21:50:31,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:31,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:31,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:31,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:31,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:31,998 INFO L87 Difference]: Start difference. First operand 15796 states and 16323 transitions. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:32,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:32,701 INFO L93 Difference]: Finished difference Result 31261 states and 32313 transitions. [2021-12-06 21:50:32,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:32,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 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 1062 [2021-12-06 21:50:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:32,714 INFO L225 Difference]: With dead ends: 31261 [2021-12-06 21:50:32,714 INFO L226 Difference]: Without dead ends: 15796 [2021-12-06 21:50:32,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1066 GetRequests, 1062 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:32,720 INFO L933 BasicCegarLoop]: 371 mSDtfsCounter, 94 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:32,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 377 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:32,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-12-06 21:50:32,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 15796. [2021-12-06 21:50:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.0291231402342513) internal successors, (16255), 15795 states have internal predecessors, (16255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16255 transitions. [2021-12-06 21:50:32,879 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16255 transitions. Word has length 1062 [2021-12-06 21:50:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:32,880 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16255 transitions. [2021-12-06 21:50:32,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16255 transitions. [2021-12-06 21:50:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1120 [2021-12-06 21:50:32,895 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:32,896 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:32,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-06 21:50:33,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 21:50:33,098 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:33,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:33,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1791227076, now seen corresponding path program 1 times [2021-12-06 21:50:33,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:33,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014933398] [2021-12-06 21:50:33,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:33,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 1730 proven. 0 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2021-12-06 21:50:33,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:33,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014933398] [2021-12-06 21:50:33,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014933398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:33,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:33,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:33,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214613107] [2021-12-06 21:50:33,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:33,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:33,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:33,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:33,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:33,372 INFO L87 Difference]: Start difference. First operand 15796 states and 16255 transitions. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:33,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:33,925 INFO L93 Difference]: Finished difference Result 31261 states and 32177 transitions. [2021-12-06 21:50:33,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:33,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 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 1119 [2021-12-06 21:50:33,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:33,937 INFO L225 Difference]: With dead ends: 31261 [2021-12-06 21:50:33,937 INFO L226 Difference]: Without dead ends: 15796 [2021-12-06 21:50:33,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:33,944 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 220 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:33,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 429 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 21:50:33,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15796 states. [2021-12-06 21:50:34,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15796 to 14480. [2021-12-06 21:50:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0232750880585675) internal successors, (14816), 14479 states have internal predecessors, (14816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14816 transitions. [2021-12-06 21:50:34,058 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14816 transitions. Word has length 1119 [2021-12-06 21:50:34,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:34,058 INFO L470 AbstractCegarLoop]: Abstraction has 14480 states and 14816 transitions. [2021-12-06 21:50:34,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14816 transitions. [2021-12-06 21:50:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2021-12-06 21:50:34,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:34,074 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:34,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 21:50:34,074 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:34,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:34,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1514156587, now seen corresponding path program 1 times [2021-12-06 21:50:34,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:34,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761097371] [2021-12-06 21:50:34,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:34,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2448 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 1813 trivial. 0 not checked. [2021-12-06 21:50:34,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:34,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761097371] [2021-12-06 21:50:34,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761097371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:34,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:34,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:34,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251547145] [2021-12-06 21:50:34,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:34,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:34,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:34,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:34,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:34,346 INFO L87 Difference]: Start difference. First operand 14480 states and 14816 transitions. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:34,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:34,992 INFO L93 Difference]: Finished difference Result 31919 states and 32699 transitions. [2021-12-06 21:50:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:34,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 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 1120 [2021-12-06 21:50:34,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:35,002 INFO L225 Difference]: With dead ends: 31919 [2021-12-06 21:50:35,002 INFO L226 Difference]: Without dead ends: 15467 [2021-12-06 21:50:35,007 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:35,008 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 274 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:35,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [274 Valid, 411 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 755 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:35,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15467 states. [2021-12-06 21:50:35,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15467 to 12835. [2021-12-06 21:50:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12835 states, 12834 states have (on average 1.0201807698301386) internal successors, (13093), 12834 states have internal predecessors, (13093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13093 transitions. [2021-12-06 21:50:35,105 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13093 transitions. Word has length 1120 [2021-12-06 21:50:35,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:35,106 INFO L470 AbstractCegarLoop]: Abstraction has 12835 states and 13093 transitions. [2021-12-06 21:50:35,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13093 transitions. [2021-12-06 21:50:35,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1376 [2021-12-06 21:50:35,126 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:35,126 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:35,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 21:50:35,127 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:35,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:35,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1199493019, now seen corresponding path program 1 times [2021-12-06 21:50:35,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:35,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386048080] [2021-12-06 21:50:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:35,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:35,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3942 backedges. 2413 proven. 0 refuted. 0 times theorem prover too weak. 1529 trivial. 0 not checked. [2021-12-06 21:50:35,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:35,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386048080] [2021-12-06 21:50:35,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386048080] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:35,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:35,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:50:35,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544969021] [2021-12-06 21:50:35,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:35,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:35,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:35,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:35,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:35,457 INFO L87 Difference]: Start difference. First operand 12835 states and 13093 transitions. Second operand has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:35,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:35,997 INFO L93 Difference]: Finished difference Result 25997 states and 26519 transitions. [2021-12-06 21:50:35,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:35,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 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 1375 [2021-12-06 21:50:35,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:36,007 INFO L225 Difference]: With dead ends: 25997 [2021-12-06 21:50:36,007 INFO L226 Difference]: Without dead ends: 13493 [2021-12-06 21:50:36,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:50:36,012 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:36,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 430 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 21:50:36,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states. [2021-12-06 21:50:36,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493. [2021-12-06 21:50:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0194930329083902) internal successors, (13755), 13492 states have internal predecessors, (13755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13755 transitions. [2021-12-06 21:50:36,119 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13755 transitions. Word has length 1375 [2021-12-06 21:50:36,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:36,119 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 13755 transitions. [2021-12-06 21:50:36,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13755 transitions. [2021-12-06 21:50:36,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1414 [2021-12-06 21:50:36,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:36,140 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:36,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 21:50:36,140 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:36,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:36,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1468761459, now seen corresponding path program 1 times [2021-12-06 21:50:36,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:36,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054725665] [2021-12-06 21:50:36,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:36,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3703 backedges. 2644 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2021-12-06 21:50:36,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:36,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054725665] [2021-12-06 21:50:36,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054725665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:36,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:36,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:50:36,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375138143] [2021-12-06 21:50:36,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:36,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:50:36,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:36,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:50:36,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:36,540 INFO L87 Difference]: Start difference. First operand 13493 states and 13755 transitions. Second operand has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:37,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:37,636 INFO L93 Difference]: Finished difference Result 26758 states and 27280 transitions. [2021-12-06 21:50:37,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:50:37,637 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 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 1413 [2021-12-06 21:50:37,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:37,646 INFO L225 Difference]: With dead ends: 26758 [2021-12-06 21:50:37,646 INFO L226 Difference]: Without dead ends: 13596 [2021-12-06 21:50:37,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:50:37,651 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 319 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 2098 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 2169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:37,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [319 Valid, 569 Invalid, 2169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2098 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 21:50:37,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13596 states. [2021-12-06 21:50:37,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13596 to 13493. [2021-12-06 21:50:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0191965609249927) internal successors, (13751), 13492 states have internal predecessors, (13751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:37,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 13751 transitions. [2021-12-06 21:50:37,775 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 13751 transitions. Word has length 1413 [2021-12-06 21:50:37,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:37,776 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 13751 transitions. [2021-12-06 21:50:37,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.33333333333333) internal successors, (734), 6 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:37,777 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 13751 transitions. [2021-12-06 21:50:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1428 [2021-12-06 21:50:37,801 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:37,802 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:37,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 21:50:37,802 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:37,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:37,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1417962965, now seen corresponding path program 1 times [2021-12-06 21:50:37,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:37,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824149440] [2021-12-06 21:50:37,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:37,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3584 backedges. 2562 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2021-12-06 21:50:38,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:38,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824149440] [2021-12-06 21:50:38,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824149440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:38,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:50:38,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:50:38,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071590357] [2021-12-06 21:50:38,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:38,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:50:38,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:38,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:50:38,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:50:38,190 INFO L87 Difference]: Start difference. First operand 13493 states and 13751 transitions. Second operand has 5 states, 5 states have (on average 146.6) internal successors, (733), 5 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:39,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:39,311 INFO L93 Difference]: Finished difference Result 27322 states and 27843 transitions. [2021-12-06 21:50:39,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 21:50:39,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 146.6) internal successors, (733), 5 states have internal predecessors, (733), 0 states have call successors, (0), 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 1427 [2021-12-06 21:50:39,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:39,321 INFO L225 Difference]: With dead ends: 27322 [2021-12-06 21:50:39,321 INFO L226 Difference]: Without dead ends: 14160 [2021-12-06 21:50:39,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:50:39,326 INFO L933 BasicCegarLoop]: 414 mSDtfsCounter, 599 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 2450 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 2490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:39,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [599 Valid, 440 Invalid, 2490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2450 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-06 21:50:39,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14160 states. [2021-12-06 21:50:39,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14160 to 13822. [2021-12-06 21:50:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13822 states, 13821 states have (on average 1.018450184501845) internal successors, (14076), 13821 states have internal predecessors, (14076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13822 states to 13822 states and 14076 transitions. [2021-12-06 21:50:39,439 INFO L78 Accepts]: Start accepts. Automaton has 13822 states and 14076 transitions. Word has length 1427 [2021-12-06 21:50:39,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:39,440 INFO L470 AbstractCegarLoop]: Abstraction has 13822 states and 14076 transitions. [2021-12-06 21:50:39,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.6) internal successors, (733), 5 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:39,440 INFO L276 IsEmpty]: Start isEmpty. Operand 13822 states and 14076 transitions. [2021-12-06 21:50:39,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1430 [2021-12-06 21:50:39,457 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:50:39,458 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:39,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 21:50:39,458 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:50:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:50:39,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1445489972, now seen corresponding path program 1 times [2021-12-06 21:50:39,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:50:39,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819472437] [2021-12-06 21:50:39,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:39,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:50:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 1190 proven. 19 refuted. 0 times theorem prover too weak. 2728 trivial. 0 not checked. [2021-12-06 21:50:39,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:50:39,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819472437] [2021-12-06 21:50:39,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819472437] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:50:39,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104558430] [2021-12-06 21:50:39,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:50:39,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:50:39,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:50:39,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:50:39,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 21:50:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:50:40,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1677 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:50:40,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:50:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 1176 proven. 0 refuted. 0 times theorem prover too weak. 2761 trivial. 0 not checked. [2021-12-06 21:50:40,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:50:40,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104558430] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:50:40,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:50:40,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-06 21:50:40,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185800479] [2021-12-06 21:50:40,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:50:40,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:50:40,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:50:40,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:50:40,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:40,994 INFO L87 Difference]: Start difference. First operand 13822 states and 14076 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:41,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:50:41,626 INFO L93 Difference]: Finished difference Result 27311 states and 27818 transitions. [2021-12-06 21:50:41,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:50:41,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1429 [2021-12-06 21:50:41,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:50:41,627 INFO L225 Difference]: With dead ends: 27311 [2021-12-06 21:50:41,627 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 21:50:41,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1433 GetRequests, 1429 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:50:41,632 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 192 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:50:41,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 49 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 735 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:50:41,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 21:50:41,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 21:50:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 21:50:41,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1429 [2021-12-06 21:50:41,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:50:41,634 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:50:41,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 21:50:41,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 21:50:41,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 21:50:41,636 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 21:50:41,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 21:50:41,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:50:41,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 21:50:45,550 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,550 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,550 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,550 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,550 INFO L858 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,550 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-06 21:50:45,551 INFO L858 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,552 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,553 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,554 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-06 21:50:45,555 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L854 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse6 (= ~a15~0 4)) (.cse1 (= 5 ~a12~0)) (.cse18 (+ 87 ~a18~0))) (let ((.cse4 (<= 9 ~a12~0)) (.cse3 (<= .cse18 0)) (.cse11 (<= ~a16~0 8)) (.cse9 (= ~a12~0 8)) (.cse7 (or (and .cse6 .cse1) (<= ~a18~0 134))) (.cse10 (<= 7 ~a12~0)) (.cse0 (= ~a16~0 8)) (.cse15 (<= ~a12~0 5)) (.cse12 (<= 0 .cse18)) (.cse17 (= ~a16~0 12)) (.cse8 (= ~a16~0 9)) (.cse13 (<= 4 ~a15~0)) (.cse14 (<= 10 ~a16~0)) (.cse16 (= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse0 .cse6 .cse7 (= 7 ~a12~0)) (and .cse8 .cse9 .cse5 .cse2) (and .cse3 (<= ~a12~0 7) .cse10 .cse5 .cse2) (and .cse11 .cse12 .cse4 .cse13) (and .cse0 .cse9 (<= (+ ~a18~0 156) 0) .cse13) (and .cse0 .cse4 .cse13) (and .cse9 .cse14 .cse3 .cse5 .cse2) (and .cse15 .cse14 .cse5 .cse13) (and .cse11 .cse16 .cse5 .cse2) (and .cse12 .cse0 .cse9 .cse7 .cse13) (and .cse14 .cse16 .cse5 .cse13) (and .cse12 .cse10 .cse5 .cse2) (and .cse12 .cse16 .cse5 .cse13) (and .cse17 .cse10 .cse2) (and .cse8 .cse1 .cse2) (and .cse12 .cse16 .cse17 .cse2) (and .cse0 .cse6 .cse1) (and .cse0 .cse16 .cse13) (and .cse15 .cse12 .cse14 .cse1 .cse5 .cse2) (and .cse17 .cse1 .cse2) (and .cse8 .cse13) (and .cse14 .cse16 .cse5 .cse2)))) [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,556 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,557 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,558 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-06 21:50:45,559 INFO L858 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L854 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse8 (= ~a15~0 4)) (.cse1 (= 5 ~a12~0)) (.cse17 (<= ~a18~0 134))) (let ((.cse12 (<= ~a16~0 8)) (.cse9 (or (and .cse8 .cse1) .cse17)) (.cse6 (<= 7 ~a12~0)) (.cse13 (<= 9 ~a12~0)) (.cse3 (<= 0 (+ 87 ~a18~0))) (.cse11 (= ~a12~0 8)) (.cse16 (= ~a16~0 12)) (.cse10 (= ~a16~0 9)) (.cse14 (<= 4 ~a15~0)) (.cse0 (= ~a16~0 8)) (.cse7 (not (= |ULTIMATE.start_calculate_output_~input#1| 3))) (.cse4 (<= 10 ~a16~0)) (.cse15 (= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 .cse2) (and (<= ~a12~0 7) .cse6 .cse5 .cse2) (and .cse7 .cse0 .cse8 .cse9 (= 7 ~a12~0)) (and .cse10 .cse11 .cse5 .cse2) (and .cse12 .cse3 .cse13 .cse14) (and .cse0 .cse11 (<= (+ ~a18~0 156) 0) .cse14) (and .cse0 .cse13 .cse14) (and (<= ~a12~0 5) .cse4 .cse5 .cse14) (and .cse12 .cse15 .cse5 .cse2) (and .cse3 .cse0 .cse11 .cse9 .cse14) (and .cse4 .cse15 .cse5 .cse14) (and .cse3 .cse6 .cse5 .cse2) (and .cse3 .cse15 .cse5 .cse14) (and .cse16 .cse6 .cse2) (and .cse13 .cse5 .cse2) (and .cse10 .cse1 .cse2) (and .cse3 .cse15 .cse16 .cse2) (and .cse0 .cse15 .cse14) (and .cse11 .cse4 .cse5 .cse2) (and .cse16 .cse1 .cse2) (and .cse10 .cse14) (and .cse0 .cse8 (or .cse7 .cse17) .cse1) (and .cse4 .cse15 .cse5 .cse2)))) [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,560 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L861 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,561 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,562 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-06 21:50:45,563 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L854 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse6 (= ~a15~0 4)) (.cse1 (= 5 ~a12~0)) (.cse18 (+ 87 ~a18~0))) (let ((.cse4 (<= 9 ~a12~0)) (.cse3 (<= .cse18 0)) (.cse11 (<= ~a16~0 8)) (.cse9 (= ~a12~0 8)) (.cse7 (or (and .cse6 .cse1) (<= ~a18~0 134))) (.cse10 (<= 7 ~a12~0)) (.cse0 (= ~a16~0 8)) (.cse15 (<= ~a12~0 5)) (.cse12 (<= 0 .cse18)) (.cse17 (= ~a16~0 12)) (.cse8 (= ~a16~0 9)) (.cse13 (<= 4 ~a15~0)) (.cse14 (<= 10 ~a16~0)) (.cse16 (= ~a12~0 6)) (.cse5 (<= ~a16~0 11)) (.cse2 (= ~a15~0 3))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse0 .cse6 .cse7 (= 7 ~a12~0)) (and .cse8 .cse9 .cse5 .cse2) (and .cse3 (<= ~a12~0 7) .cse10 .cse5 .cse2) (and .cse11 .cse12 .cse4 .cse13) (and .cse0 .cse9 (<= (+ ~a18~0 156) 0) .cse13) (and .cse0 .cse4 .cse13) (and .cse9 .cse14 .cse3 .cse5 .cse2) (and .cse15 .cse14 .cse5 .cse13) (and .cse11 .cse16 .cse5 .cse2) (and .cse12 .cse0 .cse9 .cse7 .cse13) (and .cse14 .cse16 .cse5 .cse13) (and .cse12 .cse10 .cse5 .cse2) (and .cse12 .cse16 .cse5 .cse13) (and .cse17 .cse10 .cse2) (and .cse8 .cse1 .cse2) (and .cse12 .cse16 .cse17 .cse2) (and .cse0 .cse6 .cse1) (and .cse0 .cse16 .cse13) (and .cse15 .cse12 .cse14 .cse1 .cse5 .cse2) (and .cse17 .cse1 .cse2) (and .cse8 .cse13) (and .cse14 .cse16 .cse5 .cse2)))) [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,564 INFO L858 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,565 INFO L858 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-06 21:50:45,566 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-06 21:50:45,567 INFO L858 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,568 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,569 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,570 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,571 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,572 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,573 INFO L858 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-06 21:50:45,574 INFO L858 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,575 INFO L858 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,576 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,577 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,578 INFO L858 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-12-06 21:50:45,578 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-06 21:50:45,578 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-06 21:50:45,578 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-06 21:50:45,580 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:50:45,581 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 21:50:45,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 09:50:45 BoogieIcfgContainer [2021-12-06 21:50:45,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 21:50:45,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:50:45,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:50:45,601 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:50:45,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:50:13" (3/4) ... [2021-12-06 21:50:45,603 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 21:50:45,628 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-06 21:50:45,630 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 21:50:45,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 21:50:45,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 21:50:45,767 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 21:50:45,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:50:45,768 INFO L158 Benchmark]: Toolchain (without parser) took 34586.31ms. Allocated memory was 104.9MB in the beginning and 922.7MB in the end (delta: 817.9MB). Free memory was 71.8MB in the beginning and 326.7MB in the end (delta: -254.9MB). Peak memory consumption was 564.1MB. Max. memory is 16.1GB. [2021-12-06 21:50:45,768 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:50:45,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.12ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 53.0MB in the end (delta: 18.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2021-12-06 21:50:45,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.91ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 62.8MB in the end (delta: -9.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-06 21:50:45,768 INFO L158 Benchmark]: Boogie Preprocessor took 83.75ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 49.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 21:50:45,769 INFO L158 Benchmark]: RCFGBuilder took 1618.45ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 49.4MB in the beginning and 64.4MB in the end (delta: -14.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-12-06 21:50:45,769 INFO L158 Benchmark]: TraceAbstraction took 31937.82ms. Allocated memory was 144.7MB in the beginning and 922.7MB in the end (delta: 778.0MB). Free memory was 64.4MB in the beginning and 364.8MB in the end (delta: -300.5MB). Peak memory consumption was 657.2MB. Max. memory is 16.1GB. [2021-12-06 21:50:45,769 INFO L158 Benchmark]: Witness Printer took 166.63ms. Allocated memory is still 922.7MB. Free memory was 364.8MB in the beginning and 326.7MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-06 21:50:45,771 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 34.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.12ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 53.0MB in the end (delta: 18.6MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.91ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 62.8MB in the end (delta: -9.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.75ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 49.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1618.45ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 49.4MB in the beginning and 64.4MB in the end (delta: -14.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * TraceAbstraction took 31937.82ms. Allocated memory was 144.7MB in the beginning and 922.7MB in the end (delta: 778.0MB). Free memory was 64.4MB in the beginning and 364.8MB in the end (delta: -300.5MB). Peak memory consumption was 657.2MB. Max. memory is 16.1GB. * Witness Printer took 166.63ms. Allocated memory is still 922.7MB. Free memory was 364.8MB in the beginning and 326.7MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. 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: 122]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 20, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 17.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5398 SdHoareTripleChecker+Valid, 15.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5398 mSDsluCounter, 6330 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 383 mSDsCounter, 2909 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20894 IncrementalHoareTripleChecker+Invalid, 23803 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2909 mSolverCounterUnsat, 5947 mSDtfsCounter, 20894 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3999 GetRequests, 3951 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15796occurred in iteration=13, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 9033 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 181 NumberOfFragments, 1014 HoareAnnotationTreeSize, 4 FomulaSimplifications, 2442 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 11553 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 17930 NumberOfCodeBlocks, 17930 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 17906 ConstructedInterpolants, 0 QuantifiedInterpolants, 49854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4630 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 31403/32942 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a16 == 8 && 5 == a12) && a15 == 3) || ((((0 <= 87 + a18 && 10 <= a16) && 5 == a12) && a16 <= 11) && a15 == 3)) || (((a12 <= 7 && 7 <= a12) && a16 <= 11) && a15 == 3)) || ((((!(input == 3) && a16 == 8) && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || (((a16 == 9 && a12 == 8) && a16 <= 11) && a15 == 3)) || (((a16 <= 8 && 0 <= 87 + a18) && 9 <= a12) && 4 <= a15)) || (((a16 == 8 && a12 == 8) && a18 + 156 <= 0) && 4 <= a15)) || ((a16 == 8 && 9 <= a12) && 4 <= a15)) || (((a12 <= 5 && 10 <= a16) && a16 <= 11) && 4 <= a15)) || (((a16 <= 8 && a12 == 6) && a16 <= 11) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 4 <= a15)) || (((10 <= a16 && a12 == 6) && a16 <= 11) && 4 <= a15)) || (((0 <= 87 + a18 && 7 <= a12) && a16 <= 11) && a15 == 3)) || (((0 <= 87 + a18 && a12 == 6) && a16 <= 11) && 4 <= a15)) || ((a16 == 12 && 7 <= a12) && a15 == 3)) || ((9 <= a12 && a16 <= 11) && a15 == 3)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3)) || ((a16 == 8 && a12 == 6) && 4 <= a15)) || (((a12 == 8 && 10 <= a16) && a16 <= 11) && a15 == 3)) || ((a16 == 12 && 5 == a12) && a15 == 3)) || (a16 == 9 && 4 <= a15)) || (((a16 == 8 && a15 == 4) && (!(input == 3) || a18 <= 134)) && 5 == a12)) || (((10 <= a16 && a12 == 6) && a16 <= 11) && a15 == 3) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a16 == 8 && 5 == a12) && a15 == 3) || (((87 + a18 <= 0 && 9 <= a12) && a16 <= 11) && a15 == 3)) || ((((!(input == 3) && a16 == 8) && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || (((a16 == 9 && a12 == 8) && a16 <= 11) && a15 == 3)) || ((((87 + a18 <= 0 && a12 <= 7) && 7 <= a12) && a16 <= 11) && a15 == 3)) || (((a16 <= 8 && 0 <= 87 + a18) && 9 <= a12) && 4 <= a15)) || (((a16 == 8 && a12 == 8) && a18 + 156 <= 0) && 4 <= a15)) || ((a16 == 8 && 9 <= a12) && 4 <= a15)) || ((((a12 == 8 && 10 <= a16) && 87 + a18 <= 0) && a16 <= 11) && a15 == 3)) || (((a12 <= 5 && 10 <= a16) && a16 <= 11) && 4 <= a15)) || (((a16 <= 8 && a12 == 6) && a16 <= 11) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 4 <= a15)) || (((10 <= a16 && a12 == 6) && a16 <= 11) && 4 <= a15)) || (((0 <= 87 + a18 && 7 <= a12) && a16 <= 11) && a15 == 3)) || (((0 <= 87 + a18 && a12 == 6) && a16 <= 11) && 4 <= a15)) || ((a16 == 12 && 7 <= a12) && a15 == 3)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3)) || ((a16 == 8 && a15 == 4) && 5 == a12)) || ((a16 == 8 && a12 == 6) && 4 <= a15)) || (((((a12 <= 5 && 0 <= 87 + a18) && 10 <= a16) && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 12 && 5 == a12) && a15 == 3)) || (a16 == 9 && 4 <= a15)) || (((10 <= a16 && a12 == 6) && a16 <= 11) && a15 == 3) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a16 == 8 && 5 == a12) && a15 == 3) || (((87 + a18 <= 0 && 9 <= a12) && a16 <= 11) && a15 == 3)) || ((((!(input == 3) && a16 == 8) && a15 == 4) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 7 == a12)) || (((a16 == 9 && a12 == 8) && a16 <= 11) && a15 == 3)) || ((((87 + a18 <= 0 && a12 <= 7) && 7 <= a12) && a16 <= 11) && a15 == 3)) || (((a16 <= 8 && 0 <= 87 + a18) && 9 <= a12) && 4 <= a15)) || (((a16 == 8 && a12 == 8) && a18 + 156 <= 0) && 4 <= a15)) || ((a16 == 8 && 9 <= a12) && 4 <= a15)) || ((((a12 == 8 && 10 <= a16) && 87 + a18 <= 0) && a16 <= 11) && a15 == 3)) || (((a12 <= 5 && 10 <= a16) && a16 <= 11) && 4 <= a15)) || (((a16 <= 8 && a12 == 6) && a16 <= 11) && a15 == 3)) || ((((0 <= 87 + a18 && a16 == 8) && a12 == 8) && ((a15 == 4 && 5 == a12) || a18 <= 134)) && 4 <= a15)) || (((10 <= a16 && a12 == 6) && a16 <= 11) && 4 <= a15)) || (((0 <= 87 + a18 && 7 <= a12) && a16 <= 11) && a15 == 3)) || (((0 <= 87 + a18 && a12 == 6) && a16 <= 11) && 4 <= a15)) || ((a16 == 12 && 7 <= a12) && a15 == 3)) || ((a16 == 9 && 5 == a12) && a15 == 3)) || (((0 <= 87 + a18 && a12 == 6) && a16 == 12) && a15 == 3)) || ((a16 == 8 && a15 == 4) && 5 == a12)) || ((a16 == 8 && a12 == 6) && 4 <= a15)) || (((((a12 <= 5 && 0 <= 87 + a18) && 10 <= a16) && 5 == a12) && a16 <= 11) && a15 == 3)) || ((a16 == 12 && 5 == a12) && a15 == 3)) || (a16 == 9 && 4 <= a15)) || (((10 <= a16 && a12 == 6) && a16 <= 11) && a15 == 3) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 21:50:45,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d744a47-2bc2-49c5-bbc3-7f3484eb9164/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE