./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a --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 9eecaebfc7fdff6c78546d77961205ec398f6828a79f10a4e7e47a08f024b3d8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:03:31,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:03:31,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:03:31,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:03:31,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:03:31,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:03:31,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:03:31,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:03:31,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:03:31,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:03:31,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:03:31,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:03:31,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:03:31,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:03:31,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:03:31,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:03:31,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:03:31,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:03:31,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:03:31,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:03:31,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:03:31,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:03:31,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:03:31,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:03:31,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:03:31,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:03:31,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:03:31,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:03:31,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:03:31,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:03:31,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:03:31,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:03:31,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:03:31,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:03:31,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:03:31,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:03:31,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:03:31,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:03:31,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:03:31,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:03:31,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:03:31,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 17:03:31,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:03:31,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:03:31,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:03:31,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:03:31,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:03:31,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:03:31,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:03:31,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:03:31,363 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:03:31,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:03:31,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:03:31,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:03:31,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:03:31,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:03:31,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:03:31,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:03:31,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:03:31,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:03:31,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:03:31,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:03:31,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:03:31,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:03:31,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:03:31,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:03:31,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:03:31,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:03:31,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:03:31,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:03:31,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:03:31,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:03:31,374 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:03:31,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:03:31,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:03:31,375 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_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eecaebfc7fdff6c78546d77961205ec398f6828a79f10a4e7e47a08f024b3d8 [2022-11-21 17:03:31,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:03:31,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:03:31,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:03:31,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:03:31,792 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:03:31,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/eca-rers2012/Problem01_label25.c [2022-11-21 17:03:35,166 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:03:35,464 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:03:35,465 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/sv-benchmarks/c/eca-rers2012/Problem01_label25.c [2022-11-21 17:03:35,479 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/data/42e12e0ac/4a0995c011db462e9a5bcbce16f75fe1/FLAGe1c977864 [2022-11-21 17:03:35,497 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/data/42e12e0ac/4a0995c011db462e9a5bcbce16f75fe1 [2022-11-21 17:03:35,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:03:35,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:03:35,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:03:35,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:03:35,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:03:35,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:03:35" (1/1) ... [2022-11-21 17:03:35,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b58c176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:35, skipping insertion in model container [2022-11-21 17:03:35,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:03:35" (1/1) ... [2022-11-21 17:03:35,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:03:35,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:03:36,023 WARN L237 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_2050f61c-ff4d-42f1-9d2c-7179d22c92db/sv-benchmarks/c/eca-rers2012/Problem01_label25.c[20346,20359] [2022-11-21 17:03:36,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:03:36,074 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:03:36,181 WARN L237 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_2050f61c-ff4d-42f1-9d2c-7179d22c92db/sv-benchmarks/c/eca-rers2012/Problem01_label25.c[20346,20359] [2022-11-21 17:03:36,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:03:36,208 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:03:36,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36 WrapperNode [2022-11-21 17:03:36,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:03:36,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:03:36,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:03:36,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:03:36,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,305 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-11-21 17:03:36,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:03:36,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:03:36,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:03:36,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:03:36,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,408 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:03:36,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:03:36,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:03:36,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:03:36,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (1/1) ... [2022-11-21 17:03:36,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:03:36,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:36,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:03:36,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:03:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:03:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:03:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:03:36,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:03:36,699 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:03:36,701 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:03:38,122 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:03:38,147 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:03:38,150 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 17:03:38,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:03:38 BoogieIcfgContainer [2022-11-21 17:03:38,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:03:38,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:03:38,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:03:38,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:03:38,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:03:35" (1/3) ... [2022-11-21 17:03:38,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433d70f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:03:38, skipping insertion in model container [2022-11-21 17:03:38,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:36" (2/3) ... [2022-11-21 17:03:38,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433d70f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:03:38, skipping insertion in model container [2022-11-21 17:03:38,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:03:38" (3/3) ... [2022-11-21 17:03:38,172 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label25.c [2022-11-21 17:03:38,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:03:38,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:03:38,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:03:38,293 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@421c6171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:03:38,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:03:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:38,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-21 17:03:38,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:38,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:38,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:38,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:38,323 INFO L85 PathProgramCache]: Analyzing trace with hash -278930290, now seen corresponding path program 1 times [2022-11-21 17:03:38,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:38,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333436013] [2022-11-21 17:03:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:38,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:39,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:39,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333436013] [2022-11-21 17:03:39,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333436013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:39,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:39,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:03:39,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618871086] [2022-11-21 17:03:39,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:39,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:03:39,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:39,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:03:39,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:03:39,618 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:41,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:41,098 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2022-11-21 17:03:41,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:03:41,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 119 [2022-11-21 17:03:41,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:41,122 INFO L225 Difference]: With dead ends: 662 [2022-11-21 17:03:41,122 INFO L226 Difference]: Without dead ends: 397 [2022-11-21 17:03:41,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:41,131 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 317 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:41,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 81 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-21 17:03:41,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-11-21 17:03:41,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2022-11-21 17:03:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2022-11-21 17:03:41,216 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 119 [2022-11-21 17:03:41,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:41,218 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2022-11-21 17:03:41,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2022-11-21 17:03:41,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-21 17:03:41,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:41,224 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 17:03:41,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:03:41,225 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:41,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:41,226 INFO L85 PathProgramCache]: Analyzing trace with hash -876569957, now seen corresponding path program 1 times [2022-11-21 17:03:41,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:41,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129389488] [2022-11-21 17:03:41,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:41,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:41,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:41,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129389488] [2022-11-21 17:03:41,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129389488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:41,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:41,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:03:41,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097045325] [2022-11-21 17:03:41,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:41,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:03:41,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:41,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:03:41,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:03:41,792 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:42,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:42,807 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2022-11-21 17:03:42,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:03:42,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-11-21 17:03:42,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:42,811 INFO L225 Difference]: With dead ends: 887 [2022-11-21 17:03:42,811 INFO L226 Difference]: Without dead ends: 528 [2022-11-21 17:03:42,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:03:42,814 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 131 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:42,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 81 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 17:03:42,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-11-21 17:03:42,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2022-11-21 17:03:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:42,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2022-11-21 17:03:42,840 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 126 [2022-11-21 17:03:42,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:42,841 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2022-11-21 17:03:42,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2022-11-21 17:03:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-21 17:03:42,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:42,846 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:42,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:03:42,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:42,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:42,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1786741917, now seen corresponding path program 1 times [2022-11-21 17:03:42,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:42,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042358231] [2022-11-21 17:03:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:42,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:03:43,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:43,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042358231] [2022-11-21 17:03:43,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042358231] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:03:43,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126230034] [2022-11-21 17:03:43,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:43,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:43,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:43,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:03:43,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:03:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:43,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:03:43,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:03:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 17:03:43,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:03:43,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126230034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:43,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:03:43,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-21 17:03:43,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577435091] [2022-11-21 17:03:43,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:43,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:03:43,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:43,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:03:43,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:43,682 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:44,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:44,199 INFO L93 Difference]: Finished difference Result 1185 states and 1417 transitions. [2022-11-21 17:03:44,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:03:44,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2022-11-21 17:03:44,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:44,204 INFO L225 Difference]: With dead ends: 1185 [2022-11-21 17:03:44,205 INFO L226 Difference]: Without dead ends: 790 [2022-11-21 17:03:44,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:44,207 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 25 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:44,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 14 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:03:44,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2022-11-21 17:03:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2022-11-21 17:03:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.2279635258358663) internal successors, (808), 658 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 808 transitions. [2022-11-21 17:03:44,265 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 808 transitions. Word has length 134 [2022-11-21 17:03:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:44,277 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 808 transitions. [2022-11-21 17:03:44,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 808 transitions. [2022-11-21 17:03:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-21 17:03:44,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:44,284 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-21 17:03:44,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 17:03:44,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:44,485 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:44,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:44,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1111959670, now seen corresponding path program 1 times [2022-11-21 17:03:44,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:44,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558174024] [2022-11-21 17:03:44,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:44,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 17:03:44,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:44,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558174024] [2022-11-21 17:03:44,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558174024] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:03:44,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823578353] [2022-11-21 17:03:44,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:44,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:44,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:44,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:03:44,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:03:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:45,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:03:45,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:03:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-21 17:03:45,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:03:45,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823578353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:45,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:03:45,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-21 17:03:45,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468802607] [2022-11-21 17:03:45,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:45,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:03:45,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:45,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:03:45,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:45,369 INFO L87 Difference]: Start difference. First operand 659 states and 808 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:45,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:45,909 INFO L93 Difference]: Finished difference Result 1578 states and 1968 transitions. [2022-11-21 17:03:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:03:45,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 153 [2022-11-21 17:03:45,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:45,915 INFO L225 Difference]: With dead ends: 1578 [2022-11-21 17:03:45,915 INFO L226 Difference]: Without dead ends: 921 [2022-11-21 17:03:45,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:45,918 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 20 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:45,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 173 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:03:45,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-11-21 17:03:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2022-11-21 17:03:45,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.220532319391635) internal successors, (963), 789 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:45,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 963 transitions. [2022-11-21 17:03:45,944 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 963 transitions. Word has length 153 [2022-11-21 17:03:45,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:45,945 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 963 transitions. [2022-11-21 17:03:45,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:45,945 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 963 transitions. [2022-11-21 17:03:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-21 17:03:45,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:45,950 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:45,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:03:46,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:46,157 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:46,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:46,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1207055204, now seen corresponding path program 1 times [2022-11-21 17:03:46,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:46,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171219942] [2022-11-21 17:03:46,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:46,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:46,514 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-21 17:03:46,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:46,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171219942] [2022-11-21 17:03:46,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171219942] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:03:46,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497675414] [2022-11-21 17:03:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:46,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:46,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:46,518 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:03:46,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:03:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:46,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:03:46,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:03:46,740 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-21 17:03:46,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:03:46,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497675414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:46,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:03:46,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-21 17:03:46,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382002272] [2022-11-21 17:03:46,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:46,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:03:46,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:46,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:03:46,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:46,744 INFO L87 Difference]: Start difference. First operand 790 states and 963 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:47,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:47,286 INFO L93 Difference]: Finished difference Result 1971 states and 2392 transitions. [2022-11-21 17:03:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:03:47,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 169 [2022-11-21 17:03:47,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:47,292 INFO L225 Difference]: With dead ends: 1971 [2022-11-21 17:03:47,292 INFO L226 Difference]: Without dead ends: 1183 [2022-11-21 17:03:47,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:47,295 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 136 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:47,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 30 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:03:47,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-11-21 17:03:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 790. [2022-11-21 17:03:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.220532319391635) internal successors, (963), 789 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:47,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 963 transitions. [2022-11-21 17:03:47,324 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 963 transitions. Word has length 169 [2022-11-21 17:03:47,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:47,324 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 963 transitions. [2022-11-21 17:03:47,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:47,325 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 963 transitions. [2022-11-21 17:03:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-11-21 17:03:47,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:47,329 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:47,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:03:47,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:47,536 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:47,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:47,537 INFO L85 PathProgramCache]: Analyzing trace with hash -433474744, now seen corresponding path program 1 times [2022-11-21 17:03:47,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:47,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66183236] [2022-11-21 17:03:47,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:47,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-21 17:03:47,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:47,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66183236] [2022-11-21 17:03:47,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66183236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:47,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:47,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:03:47,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143472112] [2022-11-21 17:03:47,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:47,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:03:47,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:47,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:03:47,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:03:47,762 INFO L87 Difference]: Start difference. First operand 790 states and 963 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:48,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:48,296 INFO L93 Difference]: Finished difference Result 1840 states and 2241 transitions. [2022-11-21 17:03:48,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:03:48,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-11-21 17:03:48,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:48,301 INFO L225 Difference]: With dead ends: 1840 [2022-11-21 17:03:48,301 INFO L226 Difference]: Without dead ends: 1052 [2022-11-21 17:03:48,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:03:48,307 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 106 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:48,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 47 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:03:48,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-11-21 17:03:48,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2022-11-21 17:03:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.1874405328258801) internal successors, (1248), 1051 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1248 transitions. [2022-11-21 17:03:48,339 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1248 transitions. Word has length 172 [2022-11-21 17:03:48,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:48,340 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1248 transitions. [2022-11-21 17:03:48,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1248 transitions. [2022-11-21 17:03:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-21 17:03:48,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:48,345 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:48,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 17:03:48,345 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:48,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:48,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1080317865, now seen corresponding path program 1 times [2022-11-21 17:03:48,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:48,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791890270] [2022-11-21 17:03:48,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:48,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-21 17:03:48,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:48,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791890270] [2022-11-21 17:03:48,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791890270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:48,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:03:48,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:03:48,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032344847] [2022-11-21 17:03:48,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:48,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:03:48,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:48,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:03:48,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:03:48,653 INFO L87 Difference]: Start difference. First operand 1052 states and 1248 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:49,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:49,595 INFO L93 Difference]: Finished difference Result 2757 states and 3256 transitions. [2022-11-21 17:03:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:03:49,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 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 187 [2022-11-21 17:03:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:49,603 INFO L225 Difference]: With dead ends: 2757 [2022-11-21 17:03:49,603 INFO L226 Difference]: Without dead ends: 1707 [2022-11-21 17:03:49,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:03:49,606 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 265 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:49,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 47 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 17:03:49,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-11-21 17:03:49,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2022-11-21 17:03:49,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.1710526315789473) internal successors, (1691), 1444 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1691 transitions. [2022-11-21 17:03:49,661 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1691 transitions. Word has length 187 [2022-11-21 17:03:49,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:49,661 INFO L495 AbstractCegarLoop]: Abstraction has 1445 states and 1691 transitions. [2022-11-21 17:03:49,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:49,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1691 transitions. [2022-11-21 17:03:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-21 17:03:49,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:49,669 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:49,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:03:49,670 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:49,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash -2111838568, now seen corresponding path program 1 times [2022-11-21 17:03:49,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:49,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727186698] [2022-11-21 17:03:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 17:03:50,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:03:50,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727186698] [2022-11-21 17:03:50,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727186698] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:03:50,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343425437] [2022-11-21 17:03:50,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:50,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:50,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:03:50,099 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:03:50,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 17:03:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:03:50,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:03:50,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:03:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-21 17:03:50,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:03:50,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343425437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:03:50,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:03:50,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-21 17:03:50,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254543724] [2022-11-21 17:03:50,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:03:50,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:03:50,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:03:50,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:03:50,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:50,358 INFO L87 Difference]: Start difference. First operand 1445 states and 1691 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:50,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:03:50,905 INFO L93 Difference]: Finished difference Result 2886 states and 3327 transitions. [2022-11-21 17:03:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:03:50,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2022-11-21 17:03:50,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:03:50,906 INFO L225 Difference]: With dead ends: 2886 [2022-11-21 17:03:50,906 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 17:03:50,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:03:50,911 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 135 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:03:50,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 28 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:03:50,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 17:03:50,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 17:03:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 17:03:50,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 205 [2022-11-21 17:03:50,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:03:50,913 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:03:50,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:03:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:03:50,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 17:03:50,916 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:03:50,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:03:51,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:03:51,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 17:03:51,672 INFO L899 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-11-21 17:03:51,672 INFO L899 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-11-21 17:03:51,672 INFO L899 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-11-21 17:03:51,672 INFO L899 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-11-21 17:03:51,672 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-11-21 17:03:51,672 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-11-21 17:03:51,672 INFO L899 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-11-21 17:03:51,673 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,674 INFO L899 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-11-21 17:03:51,675 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-11-21 17:03:51,676 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-11-21 17:03:51,676 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-11-21 17:03:51,676 INFO L899 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-11-21 17:03:51,677 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-11-21 17:03:51,678 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-11-21 17:03:51,679 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-11-21 17:03:51,679 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-11-21 17:03:51,679 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-11-21 17:03:51,679 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-11-21 17:03:51,679 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,679 INFO L899 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,680 INFO L899 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,680 INFO L899 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,680 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,680 INFO L899 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,680 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-11-21 17:03:51,680 INFO L899 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-11-21 17:03:51,680 INFO L899 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-11-21 17:03:51,681 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-11-21 17:03:51,681 INFO L899 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-11-21 17:03:51,681 INFO L899 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-11-21 17:03:51,681 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-11-21 17:03:51,681 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-11-21 17:03:51,681 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-11-21 17:03:51,682 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-11-21 17:03:51,682 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-11-21 17:03:51,682 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-11-21 17:03:51,682 INFO L899 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,682 INFO L899 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,682 INFO L899 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,682 INFO L899 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,683 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,683 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,683 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-11-21 17:03:51,683 INFO L899 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-11-21 17:03:51,683 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-11-21 17:03:51,683 INFO L899 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-11-21 17:03:51,684 INFO L899 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-11-21 17:03:51,684 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-21 17:03:51,684 INFO L899 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-11-21 17:03:51,684 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-11-21 17:03:51,684 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-11-21 17:03:51,684 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-11-21 17:03:51,684 INFO L899 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,685 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,685 INFO L899 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,685 INFO L899 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,685 INFO L899 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,685 INFO L899 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,685 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-11-21 17:03:51,685 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-11-21 17:03:51,686 INFO L899 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-11-21 17:03:51,686 INFO L899 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-11-21 17:03:51,686 INFO L899 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-11-21 17:03:51,686 INFO L899 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-11-21 17:03:51,686 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-11-21 17:03:51,686 INFO L899 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-11-21 17:03:51,687 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-11-21 17:03:51,687 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-11-21 17:03:51,687 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-11-21 17:03:51,687 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-11-21 17:03:51,687 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-11-21 17:03:51,687 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-11-21 17:03:51,688 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-11-21 17:03:51,688 INFO L899 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,688 INFO L899 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,688 INFO L899 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,688 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,688 INFO L899 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,688 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 17:03:51,689 INFO L899 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-11-21 17:03:51,689 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-11-21 17:03:51,689 INFO L899 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-11-21 17:03:51,689 INFO L899 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-11-21 17:03:51,689 INFO L899 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-11-21 17:03:51,689 INFO L899 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-11-21 17:03:51,690 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-11-21 17:03:51,690 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-11-21 17:03:51,690 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-11-21 17:03:51,692 INFO L895 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse2 (= ~a12~0 8)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a17~0 1)) (.cse5 (= ~a20~0 1)) (.cse0 (not (= ~a7~0 1))) (.cse1 (<= ~a16~0 5))) (or (and .cse0 .cse1) (and .cse2 (= ~a8~0 13) .cse3 .cse4 .cse5 (= ~a16~0 4)) (<= ~a21~0 0) (and .cse2 .cse0 .cse3 .cse4 .cse5) (and .cse0 (<= 15 ~a8~0)) (and (<= 14 ~a8~0) .cse1))) [2022-11-21 17:03:51,692 INFO L899 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,692 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,693 INFO L899 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,693 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,693 INFO L899 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,693 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-11-21 17:03:51,693 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-11-21 17:03:51,693 INFO L899 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-11-21 17:03:51,694 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-11-21 17:03:51,694 INFO L899 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-11-21 17:03:51,694 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-11-21 17:03:51,694 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-11-21 17:03:51,694 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-11-21 17:03:51,695 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-11-21 17:03:51,695 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-11-21 17:03:51,695 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-11-21 17:03:51,695 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-11-21 17:03:51,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 17:03:51,695 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-11-21 17:03:51,696 INFO L902 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-11-21 17:03:51,696 INFO L899 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,696 INFO L899 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,696 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,696 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,696 INFO L899 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,696 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-11-21 17:03:51,697 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-11-21 17:03:51,697 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-11-21 17:03:51,697 INFO L899 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-11-21 17:03:51,697 INFO L899 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-11-21 17:03:51,697 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-11-21 17:03:51,697 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-11-21 17:03:51,698 INFO L899 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-11-21 17:03:51,698 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-11-21 17:03:51,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 17:03:51,698 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,698 INFO L899 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,698 INFO L899 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,698 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,699 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-11-21 17:03:51,699 INFO L899 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,699 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-11-21 17:03:51,699 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-11-21 17:03:51,699 INFO L899 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-11-21 17:03:51,699 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-11-21 17:03:51,700 INFO L899 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-11-21 17:03:51,700 INFO L899 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-11-21 17:03:51,700 INFO L899 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-11-21 17:03:51,700 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-11-21 17:03:51,700 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-11-21 17:03:51,700 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-11-21 17:03:51,701 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-11-21 17:03:51,701 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-11-21 17:03:51,701 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-11-21 17:03:51,701 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,701 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse2 (= ~a12~0 8)) (.cse3 (= ~a21~0 1)) (.cse4 (= ~a17~0 1)) (.cse5 (= ~a20~0 1)) (.cse0 (not (= ~a7~0 1))) (.cse1 (<= ~a16~0 5))) (or (and .cse0 .cse1) (and .cse2 (= ~a8~0 13) .cse3 .cse4 .cse5 (= ~a16~0 4)) (<= ~a21~0 0) (and .cse2 .cse0 .cse3 .cse4 .cse5) (and .cse0 (<= 15 ~a8~0)) (and (<= 14 ~a8~0) .cse1))) [2022-11-21 17:03:51,701 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,704 INFO L899 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,704 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,704 INFO L899 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,704 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-11-21 17:03:51,705 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 17:03:51,705 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2022-11-21 17:03:51,705 INFO L899 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-11-21 17:03:51,705 INFO L899 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-11-21 17:03:51,705 INFO L899 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-11-21 17:03:51,705 INFO L899 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-11-21 17:03:51,706 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-11-21 17:03:51,706 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-11-21 17:03:51,706 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-11-21 17:03:51,706 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,706 INFO L899 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,706 INFO L899 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,707 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,707 INFO L899 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-11-21 17:03:51,707 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-11-21 17:03:51,707 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-11-21 17:03:51,707 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-11-21 17:03:51,707 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-11-21 17:03:51,711 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:51,714 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:03:51,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:03:51 BoogieIcfgContainer [2022-11-21 17:03:51,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:03:51,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:03:51,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:03:51,746 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:03:51,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:03:38" (3/4) ... [2022-11-21 17:03:51,750 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:03:51,779 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 17:03:51,781 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 17:03:51,781 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 17:03:51,782 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:03:51,935 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:03:51,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:03:51,936 INFO L158 Benchmark]: Toolchain (without parser) took 16419.83ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 120.8MB in the beginning and 113.3MB in the end (delta: 7.5MB). Peak memory consumption was 136.2MB. Max. memory is 16.1GB. [2022-11-21 17:03:51,936 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:03:51,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.03ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 93.5MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-21 17:03:51,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.63ms. Allocated memory is still 167.8MB. Free memory was 93.0MB in the beginning and 87.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:03:51,938 INFO L158 Benchmark]: Boogie Preprocessor took 131.85ms. Allocated memory is still 167.8MB. Free memory was 87.7MB in the beginning and 83.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:03:51,938 INFO L158 Benchmark]: RCFGBuilder took 1715.38ms. Allocated memory is still 167.8MB. Free memory was 83.0MB in the beginning and 67.5MB in the end (delta: 15.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2022-11-21 17:03:51,939 INFO L158 Benchmark]: TraceAbstraction took 13587.94ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 67.5MB in the beginning and 123.0MB in the end (delta: -55.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2022-11-21 17:03:51,940 INFO L158 Benchmark]: Witness Printer took 189.97ms. Allocated memory is still 293.6MB. Free memory was 123.0MB in the beginning and 113.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 17:03:51,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.03ms. Allocated memory is still 167.8MB. Free memory was 120.2MB in the beginning and 93.5MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.63ms. Allocated memory is still 167.8MB. Free memory was 93.0MB in the beginning and 87.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.85ms. Allocated memory is still 167.8MB. Free memory was 87.7MB in the beginning and 83.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1715.38ms. Allocated memory is still 167.8MB. Free memory was 83.0MB in the beginning and 67.5MB in the end (delta: 15.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13587.94ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 67.5MB in the beginning and 123.0MB in the end (delta: -55.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Witness Printer took 189.97ms. Allocated memory is still 293.6MB. Free memory was 123.0MB in the beginning and 113.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. 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: 543]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 8, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1135 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1135 mSDsluCounter, 501 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 654 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3336 IncrementalHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 654 mSolverCounterUnsat, 440 mSDtfsCounter, 3336 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 681 GetRequests, 661 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1445occurred in iteration=7, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 30 NumberOfFragments, 127 HoareAnnotationTreeSize, 3 FomulaSimplifications, 92 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1744 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1926 NumberOfCodeBlocks, 1926 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1914 ConstructedInterpolants, 0 QuantifiedInterpolants, 7403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1336 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 798/836 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: 593]: Loop Invariant Derived loop invariant: (((((!(a7 == 1) && a16 <= 5) || (((((a12 == 8 && a8 == 13) && a21 == 1) && a17 == 1) && a20 == 1) && a16 == 4)) || a21 <= 0) || ((((a12 == 8 && !(a7 == 1)) && a21 == 1) && a17 == 1) && a20 == 1)) || (!(a7 == 1) && 15 <= a8)) || (14 <= a8 && a16 <= 5) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((!(a7 == 1) && a16 <= 5) || (((((a12 == 8 && a8 == 13) && a21 == 1) && a17 == 1) && a20 == 1) && a16 == 4)) || a21 <= 0) || ((((a12 == 8 && !(a7 == 1)) && a21 == 1) && a17 == 1) && a20 == 1)) || (!(a7 == 1) && 15 <= a8)) || (14 <= a8 && a16 <= 5) RESULT: Ultimate proved your program to be correct! [2022-11-21 17:03:51,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2050f61c-ff4d-42f1-9d2c-7179d22c92db/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE