./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:02:43,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:02:43,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:02:43,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:02:43,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:02:43,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:02:43,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:02:43,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:02:43,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:02:43,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:02:43,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:02:43,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:02:43,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:02:43,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:02:43,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:02:43,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:02:43,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:02:43,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:02:43,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:02:43,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:02:43,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:02:43,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:02:43,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:02:43,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:02:43,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:02:43,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:02:43,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:02:43,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:02:43,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:02:43,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:02:43,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:02:43,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:02:43,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:02:43,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:02:43,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:02:43,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:02:43,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:02:43,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:02:43,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:02:43,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:02:43,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:02:43,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:02:43,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:02:43,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:02:43,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:02:43,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:02:43,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:02:43,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:02:43,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:02:43,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:02:43,323 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:02:43,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:02:43,324 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:02:43,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:02:43,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:02:43,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:02:43,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:02:43,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:02:43,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:02:43,325 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:02:43,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:02:43,325 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:02:43,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:02:43,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:02:43,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:02:43,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:02:43,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:02:43,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:02:43,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:02:43,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:02:43,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:02:43,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:02:43,328 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:02:43,328 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:02:43,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:02:43,328 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_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58258448060d1dd7e4bb5d8ae4d59fa53c9505b7e75cc42e4b9e13d20eabdbf0 [2022-11-16 12:02:43,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:02:43,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:02:43,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:02:43,705 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:02:43,706 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:02:43,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2022-11-16 12:02:43,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/data/3e43d0565/8f1d1aa08d1844b88469912ddaa682d1/FLAGc0838a6d3 [2022-11-16 12:02:44,450 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:02:44,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/sv-benchmarks/c/eca-rers2012/Problem11_label52.c [2022-11-16 12:02:44,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/data/3e43d0565/8f1d1aa08d1844b88469912ddaa682d1/FLAGc0838a6d3 [2022-11-16 12:02:44,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/data/3e43d0565/8f1d1aa08d1844b88469912ddaa682d1 [2022-11-16 12:02:44,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:02:44,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:02:44,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:02:44,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:02:44,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:02:44,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:44" (1/1) ... [2022-11-16 12:02:44,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d913648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:44, skipping insertion in model container [2022-11-16 12:02:44,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:44" (1/1) ... [2022-11-16 12:02:44,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:02:44,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:02:45,041 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/sv-benchmarks/c/eca-rers2012/Problem11_label52.c[7609,7622] [2022-11-16 12:02:45,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:02:45,326 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:02:45,377 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/sv-benchmarks/c/eca-rers2012/Problem11_label52.c[7609,7622] [2022-11-16 12:02:45,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:02:45,527 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:02:45,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45 WrapperNode [2022-11-16 12:02:45,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:02:45,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:02:45,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:02:45,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:02:45,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,659 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-11-16 12:02:45,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:02:45,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:02:45,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:02:45,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:02:45,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,823 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:02:45,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:02:45,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:02:45,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:02:45,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (1/1) ... [2022-11-16 12:02:45,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:02:45,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:02:45,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:02:45,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:02:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:02:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:02:45,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:02:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:02:46,037 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:02:46,039 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:02:47,811 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:02:47,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:02:47,828 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:02:47,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:47 BoogieIcfgContainer [2022-11-16 12:02:47,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:02:47,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:02:47,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:02:47,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:02:47,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:02:44" (1/3) ... [2022-11-16 12:02:47,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a763ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:47, skipping insertion in model container [2022-11-16 12:02:47,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:45" (2/3) ... [2022-11-16 12:02:47,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a763ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:47, skipping insertion in model container [2022-11-16 12:02:47,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:47" (3/3) ... [2022-11-16 12:02:47,843 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label52.c [2022-11-16 12:02:47,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:02:47,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:02:47,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:02:47,970 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;@14505a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:02:47,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:02:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 12:02:47,988 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:47,988 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] [2022-11-16 12:02:47,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:47,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1382487458, now seen corresponding path program 1 times [2022-11-16 12:02:48,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:48,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559843691] [2022-11-16 12:02:48,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:48,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:48,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:48,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559843691] [2022-11-16 12:02:48,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559843691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:48,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:48,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:48,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000099892] [2022-11-16 12:02:48,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:48,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:48,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:48,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:48,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:48,532 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:49,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:49,974 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-11-16 12:02:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:49,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-11-16 12:02:49,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:49,996 INFO L225 Difference]: With dead ends: 761 [2022-11-16 12:02:49,996 INFO L226 Difference]: Without dead ends: 413 [2022-11-16 12:02:50,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:50,003 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 176 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:50,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 12:02:50,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-11-16 12:02:50,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-11-16 12:02:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-11-16 12:02:50,063 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 52 [2022-11-16 12:02:50,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:50,063 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-11-16 12:02:50,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-11-16 12:02:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-16 12:02:50,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:50,068 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:50,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:02:50,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:50,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:50,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1697477018, now seen corresponding path program 1 times [2022-11-16 12:02:50,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:50,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241474312] [2022-11-16 12:02:50,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:50,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:50,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:50,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241474312] [2022-11-16 12:02:50,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241474312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:50,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:50,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:50,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853169789] [2022-11-16 12:02:50,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:50,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:50,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:50,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:50,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:50,345 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:51,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:51,432 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-11-16 12:02:51,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:51,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-11-16 12:02:51,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:51,437 INFO L225 Difference]: With dead ends: 1211 [2022-11-16 12:02:51,437 INFO L226 Difference]: Without dead ends: 800 [2022-11-16 12:02:51,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:51,440 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:51,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 12:02:51,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-11-16 12:02:51,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-11-16 12:02:51,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2022-11-16 12:02:51,482 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 120 [2022-11-16 12:02:51,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:51,483 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2022-11-16 12:02:51,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 2 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2022-11-16 12:02:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-16 12:02:51,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:51,488 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:51,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:02:51,488 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:51,489 INFO L85 PathProgramCache]: Analyzing trace with hash 690386357, now seen corresponding path program 1 times [2022-11-16 12:02:51,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:51,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211754692] [2022-11-16 12:02:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:51,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:51,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:51,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211754692] [2022-11-16 12:02:51,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211754692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:51,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:51,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:02:51,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749981414] [2022-11-16 12:02:51,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:51,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:51,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:51,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:51,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:51,962 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:52,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:52,932 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2022-11-16 12:02:52,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:52,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-11-16 12:02:52,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:52,937 INFO L225 Difference]: With dead ends: 1945 [2022-11-16 12:02:52,938 INFO L226 Difference]: Without dead ends: 1158 [2022-11-16 12:02:52,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:52,940 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:52,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:02:52,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-11-16 12:02:52,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-11-16 12:02:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2022-11-16 12:02:52,976 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 122 [2022-11-16 12:02:52,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:52,976 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2022-11-16 12:02:52,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2022-11-16 12:02:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-16 12:02:52,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:52,984 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:52,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:02:52,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:52,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:52,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1804040649, now seen corresponding path program 1 times [2022-11-16 12:02:52,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:52,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115105738] [2022-11-16 12:02:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:52,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:02:53,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:53,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115105738] [2022-11-16 12:02:53,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115105738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:53,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:53,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:02:53,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332204272] [2022-11-16 12:02:53,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:53,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:53,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:53,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:53,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:53,205 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:54,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:54,175 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2022-11-16 12:02:54,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:54,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 179 [2022-11-16 12:02:54,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:54,182 INFO L225 Difference]: With dead ends: 2519 [2022-11-16 12:02:54,182 INFO L226 Difference]: Without dead ends: 1548 [2022-11-16 12:02:54,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:54,194 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 183 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:54,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:02:54,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-11-16 12:02:54,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-11-16 12:02:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2022-11-16 12:02:54,234 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 179 [2022-11-16 12:02:54,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:54,236 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2022-11-16 12:02:54,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2022-11-16 12:02:54,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-16 12:02:54,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:54,245 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:54,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:02:54,245 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:54,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:54,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1655174799, now seen corresponding path program 1 times [2022-11-16 12:02:54,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:54,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493999410] [2022-11-16 12:02:54,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:54,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:54,573 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-16 12:02:54,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:54,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493999410] [2022-11-16 12:02:54,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493999410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:54,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:54,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:02:54,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551949608] [2022-11-16 12:02:54,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:54,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:54,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:54,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:54,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:54,579 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:55,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:55,680 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2022-11-16 12:02:55,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:55,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 234 [2022-11-16 12:02:55,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:55,688 INFO L225 Difference]: With dead ends: 3650 [2022-11-16 12:02:55,689 INFO L226 Difference]: Without dead ends: 2291 [2022-11-16 12:02:55,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:55,692 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 145 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:55,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 12:02:55,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2022-11-16 12:02:55,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2022-11-16 12:02:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:55,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2022-11-16 12:02:55,740 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 234 [2022-11-16 12:02:55,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:55,741 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2022-11-16 12:02:55,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2022-11-16 12:02:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-16 12:02:55,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:55,747 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:55,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:02:55,747 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:55,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:55,748 INFO L85 PathProgramCache]: Analyzing trace with hash 203587778, now seen corresponding path program 1 times [2022-11-16 12:02:55,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:55,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418115488] [2022-11-16 12:02:55,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:55,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 95 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-16 12:02:56,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:56,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418115488] [2022-11-16 12:02:56,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418115488] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:02:56,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670092569] [2022-11-16 12:02:56,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:56,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:02:56,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:02:56,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:02:56,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:02:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:56,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:02:56,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:02:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-16 12:02:56,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:02:56,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670092569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:56,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:02:56,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-11-16 12:02:56,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452379953] [2022-11-16 12:02:56,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:56,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:56,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:56,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:56,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:02:56,930 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:58,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:58,004 INFO L93 Difference]: Finished difference Result 5851 states and 7488 transitions. [2022-11-16 12:02:58,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:58,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 240 [2022-11-16 12:02:58,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:58,020 INFO L225 Difference]: With dead ends: 5851 [2022-11-16 12:02:58,020 INFO L226 Difference]: Without dead ends: 3755 [2022-11-16 12:02:58,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:02:58,025 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 159 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:58,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 144 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 12:02:58,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2022-11-16 12:02:58,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3755. [2022-11-16 12:02:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3754 states have (on average 1.245338305807139) internal successors, (4675), 3754 states have internal predecessors, (4675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 4675 transitions. [2022-11-16 12:02:58,108 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 4675 transitions. Word has length 240 [2022-11-16 12:02:58,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:58,109 INFO L495 AbstractCegarLoop]: Abstraction has 3755 states and 4675 transitions. [2022-11-16 12:02:58,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4675 transitions. [2022-11-16 12:02:58,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-16 12:02:58,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:58,116 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:58,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:02:58,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:02:58,322 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:58,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:58,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1866944109, now seen corresponding path program 1 times [2022-11-16 12:02:58,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:58,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072073909] [2022-11-16 12:02:58,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:58,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:02:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:02:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-16 12:02:58,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:02:58,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072073909] [2022-11-16 12:02:58,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072073909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:02:58,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:02:58,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:02:58,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380834187] [2022-11-16 12:02:58,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:02:58,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:02:58,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:02:58,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:02:58,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:58,680 INFO L87 Difference]: Start difference. First operand 3755 states and 4675 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:59,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:02:59,787 INFO L93 Difference]: Finished difference Result 8622 states and 10849 transitions. [2022-11-16 12:02:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:02:59,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2022-11-16 12:02:59,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:02:59,805 INFO L225 Difference]: With dead ends: 8622 [2022-11-16 12:02:59,806 INFO L226 Difference]: Without dead ends: 4869 [2022-11-16 12:02:59,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:02:59,811 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 144 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:02:59,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 12:02:59,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4869 states. [2022-11-16 12:02:59,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4869 to 4860. [2022-11-16 12:02:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4860 states, 4859 states have (on average 1.2251492076558963) internal successors, (5953), 4859 states have internal predecessors, (5953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 4860 states and 5953 transitions. [2022-11-16 12:02:59,961 INFO L78 Accepts]: Start accepts. Automaton has 4860 states and 5953 transitions. Word has length 271 [2022-11-16 12:02:59,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:02:59,962 INFO L495 AbstractCegarLoop]: Abstraction has 4860 states and 5953 transitions. [2022-11-16 12:02:59,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:02:59,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4860 states and 5953 transitions. [2022-11-16 12:02:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-16 12:02:59,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:02:59,971 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:02:59,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:02:59,972 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:02:59,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:02:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1398635958, now seen corresponding path program 1 times [2022-11-16 12:02:59,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:02:59,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74887058] [2022-11-16 12:02:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:02:59,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-16 12:03:00,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:00,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74887058] [2022-11-16 12:03:00,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74887058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:00,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:00,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:03:00,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3653384] [2022-11-16 12:03:00,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:00,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:03:00,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:00,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:03:00,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:00,230 INFO L87 Difference]: Start difference. First operand 4860 states and 5953 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:01,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:01,286 INFO L93 Difference]: Finished difference Result 11005 states and 13678 transitions. [2022-11-16 12:03:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:03:01,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 317 [2022-11-16 12:03:01,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:01,307 INFO L225 Difference]: With dead ends: 11005 [2022-11-16 12:03:01,307 INFO L226 Difference]: Without dead ends: 6147 [2022-11-16 12:03:01,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:01,314 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 172 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:01,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 151 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:03:01,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2022-11-16 12:03:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 4853. [2022-11-16 12:03:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4853 states, 4852 states have (on average 1.224855729596043) internal successors, (5943), 4852 states have internal predecessors, (5943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 4853 states and 5943 transitions. [2022-11-16 12:03:01,456 INFO L78 Accepts]: Start accepts. Automaton has 4853 states and 5943 transitions. Word has length 317 [2022-11-16 12:03:01,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:01,457 INFO L495 AbstractCegarLoop]: Abstraction has 4853 states and 5943 transitions. [2022-11-16 12:03:01,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 5943 transitions. [2022-11-16 12:03:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-16 12:03:01,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:01,470 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:01,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:03:01,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:01,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:01,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2108175850, now seen corresponding path program 1 times [2022-11-16 12:03:01,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:01,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801213155] [2022-11-16 12:03:01,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:01,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:03:02,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:02,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801213155] [2022-11-16 12:03:02,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801213155] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:03:02,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230083536] [2022-11-16 12:03:02,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:02,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:02,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:02,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:03:02,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:03:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:02,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:03:02,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:03:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:03:04,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:03:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 167 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:03:07,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230083536] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:03:07,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:03:07,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-16 12:03:07,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835998676] [2022-11-16 12:03:07,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:03:07,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:03:07,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:07,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:03:07,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:03:07,086 INFO L87 Difference]: Start difference. First operand 4853 states and 5943 transitions. Second operand has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:10,433 INFO L93 Difference]: Finished difference Result 13854 states and 16891 transitions. [2022-11-16 12:03:10,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 12:03:10,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 0 states have call successors, (0), 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 336 [2022-11-16 12:03:10,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:10,483 INFO L225 Difference]: With dead ends: 13854 [2022-11-16 12:03:10,483 INFO L226 Difference]: Without dead ends: 9003 [2022-11-16 12:03:10,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 667 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:03:10,492 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1118 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 2558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:10,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1118 Valid, 153 Invalid, 2558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-16 12:03:10,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9003 states. [2022-11-16 12:03:10,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9003 to 5035. [2022-11-16 12:03:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5035 states, 5034 states have (on average 1.22248708780294) internal successors, (6154), 5034 states have internal predecessors, (6154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 5035 states and 6154 transitions. [2022-11-16 12:03:10,630 INFO L78 Accepts]: Start accepts. Automaton has 5035 states and 6154 transitions. Word has length 336 [2022-11-16 12:03:10,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:10,631 INFO L495 AbstractCegarLoop]: Abstraction has 5035 states and 6154 transitions. [2022-11-16 12:03:10,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 74.75) internal successors, (598), 7 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 5035 states and 6154 transitions. [2022-11-16 12:03:10,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-11-16 12:03:10,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:10,643 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:10,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:03:10,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:03:10,851 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:10,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:10,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1398734134, now seen corresponding path program 1 times [2022-11-16 12:03:10,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:10,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032637008] [2022-11-16 12:03:10,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:03:11,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:11,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032637008] [2022-11-16 12:03:11,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032637008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:11,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:11,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:03:11,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024829756] [2022-11-16 12:03:11,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:11,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:03:11,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:11,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:03:11,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:03:11,498 INFO L87 Difference]: Start difference. First operand 5035 states and 6154 transitions. Second operand has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:13,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:13,131 INFO L93 Difference]: Finished difference Result 13948 states and 17066 transitions. [2022-11-16 12:03:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:03:13,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 0 states have call successors, (0), 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 357 [2022-11-16 12:03:13,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:13,149 INFO L225 Difference]: With dead ends: 13948 [2022-11-16 12:03:13,149 INFO L226 Difference]: Without dead ends: 8915 [2022-11-16 12:03:13,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:03:13,156 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 237 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:13,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 65 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 12:03:13,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8915 states. [2022-11-16 12:03:13,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8915 to 7441. [2022-11-16 12:03:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 7440 states have (on average 1.1923387096774194) internal successors, (8871), 7440 states have internal predecessors, (8871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 8871 transitions. [2022-11-16 12:03:13,305 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 8871 transitions. Word has length 357 [2022-11-16 12:03:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:13,306 INFO L495 AbstractCegarLoop]: Abstraction has 7441 states and 8871 transitions. [2022-11-16 12:03:13,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.25) internal successors, (357), 4 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 8871 transitions. [2022-11-16 12:03:13,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-11-16 12:03:13,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:13,348 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:13,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:03:13,349 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:13,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:13,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1218780311, now seen corresponding path program 1 times [2022-11-16 12:03:13,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:13,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367297719] [2022-11-16 12:03:13,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:13,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 365 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-16 12:03:13,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:13,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367297719] [2022-11-16 12:03:13,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367297719] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:13,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:13,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:03:13,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528931777] [2022-11-16 12:03:13,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:13,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:03:13,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:13,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:03:13,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:03:13,953 INFO L87 Difference]: Start difference. First operand 7441 states and 8871 transitions. Second operand has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:15,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:15,544 INFO L93 Difference]: Finished difference Result 16170 states and 19194 transitions. [2022-11-16 12:03:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:03:15,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 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 431 [2022-11-16 12:03:15,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:15,563 INFO L225 Difference]: With dead ends: 16170 [2022-11-16 12:03:15,564 INFO L226 Difference]: Without dead ends: 8731 [2022-11-16 12:03:15,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:03:15,572 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 239 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1098 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:15,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 64 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1098 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 12:03:15,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8731 states. [2022-11-16 12:03:15,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8731 to 7441. [2022-11-16 12:03:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7441 states, 7440 states have (on average 1.1923387096774194) internal successors, (8871), 7440 states have internal predecessors, (8871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7441 states to 7441 states and 8871 transitions. [2022-11-16 12:03:15,721 INFO L78 Accepts]: Start accepts. Automaton has 7441 states and 8871 transitions. Word has length 431 [2022-11-16 12:03:15,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:15,722 INFO L495 AbstractCegarLoop]: Abstraction has 7441 states and 8871 transitions. [2022-11-16 12:03:15,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 7441 states and 8871 transitions. [2022-11-16 12:03:15,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-11-16 12:03:15,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:15,741 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:15,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:03:15,741 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:15,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:15,742 INFO L85 PathProgramCache]: Analyzing trace with hash -287893398, now seen corresponding path program 1 times [2022-11-16 12:03:15,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:15,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568659670] [2022-11-16 12:03:15,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:15,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-16 12:03:16,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:16,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568659670] [2022-11-16 12:03:16,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568659670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:16,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:16,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:03:16,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756007742] [2022-11-16 12:03:16,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:16,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:03:16,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:16,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:03:16,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:16,162 INFO L87 Difference]: Start difference. First operand 7441 states and 8871 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:17,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:17,122 INFO L93 Difference]: Finished difference Result 15080 states and 17958 transitions. [2022-11-16 12:03:17,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:03:17,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 431 [2022-11-16 12:03:17,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:17,144 INFO L225 Difference]: With dead ends: 15080 [2022-11-16 12:03:17,144 INFO L226 Difference]: Without dead ends: 7641 [2022-11-16 12:03:17,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:17,150 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 107 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:17,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 329 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:03:17,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7641 states. [2022-11-16 12:03:17,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7641 to 7257. [2022-11-16 12:03:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7257 states, 7256 states have (on average 1.160005512679162) internal successors, (8417), 7256 states have internal predecessors, (8417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 8417 transitions. [2022-11-16 12:03:17,271 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 8417 transitions. Word has length 431 [2022-11-16 12:03:17,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:17,271 INFO L495 AbstractCegarLoop]: Abstraction has 7257 states and 8417 transitions. [2022-11-16 12:03:17,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:17,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 8417 transitions. [2022-11-16 12:03:17,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2022-11-16 12:03:17,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:17,284 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:17,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:03:17,284 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:17,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:17,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2057046030, now seen corresponding path program 1 times [2022-11-16 12:03:17,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:17,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435862732] [2022-11-16 12:03:17,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:17,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:17,716 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-16 12:03:17,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:17,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435862732] [2022-11-16 12:03:17,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435862732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:17,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:17,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:03:17,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085322287] [2022-11-16 12:03:17,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:17,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:03:17,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:17,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:03:17,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:17,719 INFO L87 Difference]: Start difference. First operand 7257 states and 8417 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:18,234 INFO L93 Difference]: Finished difference Result 14132 states and 16360 transitions. [2022-11-16 12:03:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:03:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 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 488 [2022-11-16 12:03:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:18,246 INFO L225 Difference]: With dead ends: 14132 [2022-11-16 12:03:18,246 INFO L226 Difference]: Without dead ends: 6877 [2022-11-16 12:03:18,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:18,252 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 179 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:18,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 37 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 12:03:18,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2022-11-16 12:03:18,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6875. [2022-11-16 12:03:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6875 states, 6874 states have (on average 1.1544951993017165) internal successors, (7936), 6874 states have internal predecessors, (7936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6875 states to 6875 states and 7936 transitions. [2022-11-16 12:03:18,402 INFO L78 Accepts]: Start accepts. Automaton has 6875 states and 7936 transitions. Word has length 488 [2022-11-16 12:03:18,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:18,403 INFO L495 AbstractCegarLoop]: Abstraction has 6875 states and 7936 transitions. [2022-11-16 12:03:18,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6875 states and 7936 transitions. [2022-11-16 12:03:18,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-11-16 12:03:18,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:18,415 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:18,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 12:03:18,416 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:18,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:18,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1680894984, now seen corresponding path program 1 times [2022-11-16 12:03:18,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:18,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662606466] [2022-11-16 12:03:18,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:18,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 427 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-16 12:03:18,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:18,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662606466] [2022-11-16 12:03:18,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662606466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:18,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:18,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:03:18,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201642152] [2022-11-16 12:03:18,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:18,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:03:18,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:18,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:03:18,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:18,800 INFO L87 Difference]: Start difference. First operand 6875 states and 7936 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:19,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:19,596 INFO L93 Difference]: Finished difference Result 12621 states and 14535 transitions. [2022-11-16 12:03:19,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:03:19,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 504 [2022-11-16 12:03:19,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:19,608 INFO L225 Difference]: With dead ends: 12621 [2022-11-16 12:03:19,608 INFO L226 Difference]: Without dead ends: 5748 [2022-11-16 12:03:19,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:19,614 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 80 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:19,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 123 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 12:03:19,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5748 states. [2022-11-16 12:03:19,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5748 to 4828. [2022-11-16 12:03:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4828 states, 4827 states have (on average 1.1247151439817693) internal successors, (5429), 4827 states have internal predecessors, (5429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4828 states to 4828 states and 5429 transitions. [2022-11-16 12:03:19,691 INFO L78 Accepts]: Start accepts. Automaton has 4828 states and 5429 transitions. Word has length 504 [2022-11-16 12:03:19,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:19,692 INFO L495 AbstractCegarLoop]: Abstraction has 4828 states and 5429 transitions. [2022-11-16 12:03:19,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 4828 states and 5429 transitions. [2022-11-16 12:03:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2022-11-16 12:03:19,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:19,703 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:03:19,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 12:03:19,703 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:19,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:19,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1417577515, now seen corresponding path program 1 times [2022-11-16 12:03:19,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:19,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647916740] [2022-11-16 12:03:19,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:19,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 872 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2022-11-16 12:03:20,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:20,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647916740] [2022-11-16 12:03:20,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647916740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:20,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:20,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:03:20,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656305453] [2022-11-16 12:03:20,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:20,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:03:20,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:20,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:03:20,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:03:20,393 INFO L87 Difference]: Start difference. First operand 4828 states and 5429 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:21,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:21,859 INFO L93 Difference]: Finished difference Result 14635 states and 16469 transitions. [2022-11-16 12:03:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:03:21,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 682 [2022-11-16 12:03:21,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:21,873 INFO L225 Difference]: With dead ends: 14635 [2022-11-16 12:03:21,873 INFO L226 Difference]: Without dead ends: 9809 [2022-11-16 12:03:21,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:03:21,878 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 198 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:21,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 60 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 12:03:21,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9809 states. [2022-11-16 12:03:22,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9809 to 9620. [2022-11-16 12:03:22,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9620 states, 9619 states have (on average 1.1143570017673354) internal successors, (10719), 9619 states have internal predecessors, (10719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9620 states to 9620 states and 10719 transitions. [2022-11-16 12:03:22,027 INFO L78 Accepts]: Start accepts. Automaton has 9620 states and 10719 transitions. Word has length 682 [2022-11-16 12:03:22,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:22,027 INFO L495 AbstractCegarLoop]: Abstraction has 9620 states and 10719 transitions. [2022-11-16 12:03:22,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 9620 states and 10719 transitions. [2022-11-16 12:03:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2022-11-16 12:03:22,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:22,044 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 12:03:22,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 12:03:22,045 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:22,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:22,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1921349717, now seen corresponding path program 1 times [2022-11-16 12:03:22,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:22,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944900420] [2022-11-16 12:03:22,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:22,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 1023 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-11-16 12:03:22,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:22,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944900420] [2022-11-16 12:03:22,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944900420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:22,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:22,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:03:22,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220806991] [2022-11-16 12:03:22,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:22,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:03:22,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:22,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:03:22,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:22,670 INFO L87 Difference]: Start difference. First operand 9620 states and 10719 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:23,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:23,730 INFO L93 Difference]: Finished difference Result 20341 states and 22719 transitions. [2022-11-16 12:03:23,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:03:23,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 760 [2022-11-16 12:03:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:23,745 INFO L225 Difference]: With dead ends: 20341 [2022-11-16 12:03:23,745 INFO L226 Difference]: Without dead ends: 10170 [2022-11-16 12:03:23,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:23,754 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 194 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:23,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 340 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:03:23,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10170 states. [2022-11-16 12:03:23,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10170 to 10170. [2022-11-16 12:03:23,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10170 states, 10169 states have (on average 1.0946995771462287) internal successors, (11132), 10169 states have internal predecessors, (11132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:23,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10170 states to 10170 states and 11132 transitions. [2022-11-16 12:03:23,918 INFO L78 Accepts]: Start accepts. Automaton has 10170 states and 11132 transitions. Word has length 760 [2022-11-16 12:03:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:23,919 INFO L495 AbstractCegarLoop]: Abstraction has 10170 states and 11132 transitions. [2022-11-16 12:03:23,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 10170 states and 11132 transitions. [2022-11-16 12:03:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 851 [2022-11-16 12:03:23,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:03:23,938 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-16 12:03:23,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 12:03:23,938 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:03:23,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:23,939 INFO L85 PathProgramCache]: Analyzing trace with hash -43670685, now seen corresponding path program 1 times [2022-11-16 12:03:23,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:23,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370122892] [2022-11-16 12:03:23,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:23,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 1501 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2022-11-16 12:03:24,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:24,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370122892] [2022-11-16 12:03:24,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370122892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:24,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:24,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:03:24,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466497511] [2022-11-16 12:03:24,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:24,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:03:24,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:24,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:03:24,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:24,612 INFO L87 Difference]: Start difference. First operand 10170 states and 11132 transitions. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:25,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:25,539 INFO L93 Difference]: Finished difference Result 20887 states and 22855 transitions. [2022-11-16 12:03:25,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:03:25,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 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 850 [2022-11-16 12:03:25,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:03:25,541 INFO L225 Difference]: With dead ends: 20887 [2022-11-16 12:03:25,541 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:03:25,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:25,547 INFO L413 NwaCegarLoop]: 303 mSDtfsCounter, 53 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:03:25,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 320 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 12:03:25,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:03:25,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:03:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:25,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:03:25,548 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 850 [2022-11-16 12:03:25,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:03:25,549 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:03:25,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:03:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:03:25,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:03:25,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:03:25,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 12:03:25,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:03:32,846 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-11-16 12:03:32,846 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-16 12:03:32,847 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,848 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,848 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,848 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,848 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,848 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,848 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,848 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,849 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,849 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,849 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-11-16 12:03:32,849 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-11-16 12:03:32,849 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-16 12:03:32,849 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,850 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-11-16 12:03:32,850 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-11-16 12:03:32,850 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,850 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,850 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,850 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,850 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,851 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,851 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-16 12:03:32,851 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-11-16 12:03:32,851 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-16 12:03:32,851 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,851 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,852 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,852 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse14 (+ ~a23~0 43))) (let ((.cse1 (<= ~a29~0 599999)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a29~0 245)) (.cse7 (= ~a25~0 12)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599998)) (.cse9 (= ~a25~0 13)) (.cse8 (= ~a4~0 0)) (.cse11 (<= (+ ~a29~0 22) 0)) (.cse13 (< 0 .cse14)) (.cse12 (<= ~a23~0 138)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse6 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse3 (or (and .cse9 (not (<= ~a23~0 306))) (and .cse9 .cse2)) .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse8 .cse5 .cse6 (<= ~a23~0 312) .cse4) (and .cse8 .cse11 .cse0 .cse4) (and (<= (+ ~a29~0 21) 0) .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse11 .cse3 .cse4) (and .cse8 .cse0 .cse10 .cse12 .cse4) (and .cse7 .cse6 .cse2 (< 306 ~a23~0) .cse3 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277))) (and .cse13 .cse0 .cse2 .cse12 .cse3 .cse4) (and (<= .cse14 0) .cse8 .cse0 .cse6 .cse4) (and .cse9 .cse8 .cse11 .cse13 .cse12 .cse4)))) [2022-11-16 12:03:32,852 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,853 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-11-16 12:03:32,853 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-11-16 12:03:32,853 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,853 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,853 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,853 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,853 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,854 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,854 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-11-16 12:03:32,854 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-11-16 12:03:32,854 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-16 12:03:32,854 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-11-16 12:03:32,854 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,855 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,855 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,855 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,855 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,855 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,855 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,855 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-11-16 12:03:32,856 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-11-16 12:03:32,856 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-16 12:03:32,856 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,856 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,856 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,856 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,856 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,857 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,857 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,857 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,857 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,857 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-16 12:03:32,857 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-11-16 12:03:32,858 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-11-16 12:03:32,858 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,858 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse14 (+ ~a23~0 43))) (let ((.cse1 (<= ~a29~0 599999)) (.cse5 (= ~a25~0 11)) (.cse10 (<= ~a29~0 245)) (.cse7 (= ~a25~0 12)) (.cse2 (= ~a3~0 1)) (.cse3 (= ~a4~0 1)) (.cse0 (<= ~a25~0 10)) (.cse6 (<= ~a29~0 599998)) (.cse9 (= ~a25~0 13)) (.cse8 (= ~a4~0 0)) (.cse11 (<= (+ ~a29~0 22) 0)) (.cse13 (< 0 .cse14)) (.cse12 (<= ~a23~0 138)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (and .cse7 .cse8 .cse6 .cse4) (and .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse6 .cse3 (or (and .cse9 (not (<= ~a23~0 306))) (and .cse9 .cse2)) .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse8 .cse5 .cse6 (<= ~a23~0 312) .cse4) (and .cse8 .cse11 .cse0 .cse4) (and (<= (+ ~a29~0 21) 0) .cse7 .cse2 .cse3 .cse4) (and .cse7 .cse11 .cse3 .cse4) (and .cse8 .cse0 .cse10 .cse12 .cse4) (and .cse7 .cse6 .cse2 (< 306 ~a23~0) .cse3 .cse4 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) (<= ~a29~0 277))) (and .cse13 .cse0 .cse2 .cse12 .cse3 .cse4) (and (<= .cse14 0) .cse8 .cse0 .cse6 .cse4) (and .cse9 .cse8 .cse11 .cse13 .cse12 .cse4)))) [2022-11-16 12:03:32,858 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,859 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,859 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,859 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,859 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,859 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,859 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,859 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,860 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-11-16 12:03:32,860 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-11-16 12:03:32,860 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-16 12:03:32,860 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-11-16 12:03:32,860 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-11-16 12:03:32,860 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-11-16 12:03:32,861 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-11-16 12:03:32,861 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,861 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,861 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,861 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,861 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,861 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,862 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,862 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,862 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,862 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:03:32,862 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-11-16 12:03:32,862 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-11-16 12:03:32,863 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-16 12:03:32,863 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-11-16 12:03:32,863 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,863 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,863 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,863 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,863 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,864 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-16 12:03:32,864 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-11-16 12:03:32,864 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-16 12:03:32,864 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,864 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,864 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,864 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,865 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-11-16 12:03:32,865 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-11-16 12:03:32,865 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,865 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,865 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,865 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,865 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,866 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,866 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-11-16 12:03:32,866 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-11-16 12:03:32,866 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,866 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,866 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-16 12:03:32,866 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-11-16 12:03:32,867 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-16 12:03:32,867 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:03:32,867 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 172) no Hoare annotation was computed. [2022-11-16 12:03:32,867 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,867 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,867 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,867 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,867 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,868 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,868 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,868 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-11-16 12:03:32,868 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-11-16 12:03:32,868 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-16 12:03:32,868 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-11-16 12:03:32,868 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-11-16 12:03:32,868 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-11-16 12:03:32,869 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-11-16 12:03:32,869 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,869 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,869 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-11-16 12:03:32,869 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-11-16 12:03:32,869 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,869 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,870 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,870 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,870 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,870 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-11-16 12:03:32,870 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-16 12:03:32,870 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-16 12:03:32,870 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,871 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,871 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,871 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,871 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,871 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,871 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-11-16 12:03:32,871 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-11-16 12:03:32,872 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-16 12:03:32,872 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,872 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,872 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,872 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,872 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,872 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,873 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,873 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,873 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-11-16 12:03:32,873 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-11-16 12:03:32,873 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-16 12:03:32,873 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,873 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,874 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,874 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,874 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,874 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,874 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,874 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,874 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,875 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,875 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,875 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-11-16 12:03:32,875 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-11-16 12:03:32,875 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-16 12:03:32,875 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-16 12:03:32,875 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-16 12:03:32,876 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,876 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,876 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,876 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,876 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,876 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,877 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,877 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-11-16 12:03:32,877 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-11-16 12:03:32,877 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-16 12:03:32,877 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,877 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,877 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,877 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-11-16 12:03:32,878 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-11-16 12:03:32,878 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,878 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,878 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,878 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,878 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,879 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-11-16 12:03:32,879 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-11-16 12:03:32,879 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,879 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,879 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-11-16 12:03:32,879 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-11-16 12:03:32,879 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:03:32,880 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,880 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,880 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,880 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,880 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,880 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-11-16 12:03:32,881 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-11-16 12:03:32,881 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-11-16 12:03:32,881 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-11-16 12:03:32,881 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,881 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,881 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,881 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,882 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,882 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,882 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,882 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,882 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-11-16 12:03:32,882 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-11-16 12:03:32,882 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-11-16 12:03:32,883 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-11-16 12:03:32,883 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-11-16 12:03:32,883 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-11-16 12:03:32,883 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,883 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,883 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,884 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,884 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,884 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,884 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,884 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-16 12:03:32,884 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-11-16 12:03:32,884 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:03:32,885 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,885 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,885 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,885 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,885 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,885 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,885 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-11-16 12:03:32,886 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-11-16 12:03:32,886 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,886 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,886 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,886 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,886 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,886 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,887 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,887 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-11-16 12:03:32,887 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-11-16 12:03:32,887 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,887 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,887 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-16 12:03:32,887 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-11-16 12:03:32,888 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-16 12:03:32,888 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-11-16 12:03:32,891 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:32,893 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:03:32,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:03:32 BoogieIcfgContainer [2022-11-16 12:03:32,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:03:32,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:03:32,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:03:32,916 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:03:32,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:47" (3/4) ... [2022-11-16 12:03:32,920 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:03:32,938 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:03:32,939 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:03:32,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:03:32,942 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:03:33,094 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:03:33,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:03:33,096 INFO L158 Benchmark]: Toolchain (without parser) took 48397.67ms. Allocated memory was 125.8MB in the beginning and 696.3MB in the end (delta: 570.4MB). Free memory was 88.2MB in the beginning and 604.1MB in the end (delta: -515.9MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-11-16 12:03:33,097 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:03:33,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.28ms. Allocated memory is still 125.8MB. Free memory was 87.8MB in the beginning and 67.0MB in the end (delta: 20.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:03:33,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.46ms. Allocated memory is still 125.8MB. Free memory was 66.3MB in the beginning and 49.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:03:33,099 INFO L158 Benchmark]: Boogie Preprocessor took 194.42ms. Allocated memory is still 125.8MB. Free memory was 49.5MB in the beginning and 87.3MB in the end (delta: -37.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-16 12:03:33,099 INFO L158 Benchmark]: RCFGBuilder took 1976.27ms. Allocated memory was 125.8MB in the beginning and 203.4MB in the end (delta: 77.6MB). Free memory was 87.3MB in the beginning and 116.7MB in the end (delta: -29.4MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2022-11-16 12:03:33,103 INFO L158 Benchmark]: TraceAbstraction took 45080.66ms. Allocated memory was 203.4MB in the beginning and 696.3MB in the end (delta: 492.8MB). Free memory was 116.7MB in the beginning and 619.3MB in the end (delta: -502.6MB). Peak memory consumption was 392.3MB. Max. memory is 16.1GB. [2022-11-16 12:03:33,104 INFO L158 Benchmark]: Witness Printer took 179.43ms. Allocated memory is still 696.3MB. Free memory was 619.3MB in the beginning and 604.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:03:33,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 69.5MB in the beginning and 69.5MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.28ms. Allocated memory is still 125.8MB. Free memory was 87.8MB in the beginning and 67.0MB in the end (delta: 20.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.46ms. Allocated memory is still 125.8MB. Free memory was 66.3MB in the beginning and 49.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.42ms. Allocated memory is still 125.8MB. Free memory was 49.5MB in the beginning and 87.3MB in the end (delta: -37.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1976.27ms. Allocated memory was 125.8MB in the beginning and 203.4MB in the end (delta: 77.6MB). Free memory was 87.3MB in the beginning and 116.7MB in the end (delta: -29.4MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * TraceAbstraction took 45080.66ms. Allocated memory was 203.4MB in the beginning and 696.3MB in the end (delta: 492.8MB). Free memory was 116.7MB in the beginning and 619.3MB in the end (delta: -502.6MB). Peak memory consumption was 392.3MB. Max. memory is 16.1GB. * Witness Printer took 179.43ms. Allocated memory is still 696.3MB. Free memory was 619.3MB in the beginning and 604.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 172]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.0s, OverallIterations: 17, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 21.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3645 SdHoareTripleChecker+Valid, 19.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3645 mSDsluCounter, 3423 SdHoareTripleChecker+Invalid, 16.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 2243 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12126 IncrementalHoareTripleChecker+Invalid, 14369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2243 mSolverCounterUnsat, 3020 mSDtfsCounter, 12126 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 969 GetRequests, 931 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10170occurred in iteration=16, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 9738 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 135 NumberOfFragments, 561 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9352 FormulaSimplificationTreeSizeReduction, 4.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 25754 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 6950 NumberOfCodeBlocks, 6950 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 7266 ConstructedInterpolants, 0 QuantifiedInterpolants, 24299 SizeOfPredicates, 8 NumberOfNonLiveVariables, 817 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 9112/9275 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a4 == 0) && a29 <= 599998) && a8 == 15)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a29 <= 599998 && a4 == 1) && ((a25 == 13 && !(a23 <= 306)) || (a25 == 13 && a3 == 1))) && a8 == 15)) || (((a25 <= 10 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) && a8 == 15)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15)) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a29 + 22 <= 0) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 <= 10) && a29 <= 245) && a23 <= 138) && a8 == 15)) || ((((((a25 == 12 && a29 <= 599998) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || (((((0 < a23 + 43 && a25 <= 10) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a8 == 15)) || (((((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((a25 <= 10 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15) || (((a25 == 11 && a29 <= 599998) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a4 == 0) && a29 <= 599998) && a8 == 15)) || (((a25 == 13 && a29 <= 245) && a4 == 1) && a8 == 15)) || ((((a25 == 11 && a29 <= 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a29 <= 599998 && a4 == 1) && ((a25 == 13 && !(a23 <= 306)) || (a25 == 13 && a3 == 1))) && a8 == 15)) || (((a25 <= 10 && a29 <= 599998) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 == 11) && a29 <= 599998) && a23 <= 312) && a8 == 15)) || (((a4 == 0 && a29 + 22 <= 0) && a25 <= 10) && a8 == 15)) || ((((a29 + 21 <= 0 && a25 == 12) && a3 == 1) && a4 == 1) && a8 == 15)) || (((a25 == 12 && a29 + 22 <= 0) && a4 == 1) && a8 == 15)) || ((((a4 == 0 && a25 <= 10) && a29 <= 245) && a23 <= 138) && a8 == 15)) || ((((((a25 == 12 && a29 <= 599998) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || (((((0 < a23 + 43 && a25 <= 10) && a3 == 1) && a23 <= 138) && a4 == 1) && a8 == 15)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a29 <= 599998) && a8 == 15)) || (((((a25 == 13 && a4 == 0) && a29 + 22 <= 0) && 0 < a23 + 43) && a23 <= 138) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 12:03:33,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790b3b01-8431-47aa-8f96-76900f91bc4a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE