./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro --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 0de0fd0b8cb0cee609d45117c8166ea2b32bbf1ee23893cc14af47ce8649a66b --- 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-8393723 [2022-11-18 18:25:45,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:25:45,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:25:45,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:25:45,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:25:45,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:25:45,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:25:45,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:25:45,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:25:45,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:25:45,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:25:45,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:25:45,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:25:45,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:25:45,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:25:45,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:25:45,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:25:45,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:25:45,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:25:45,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:25:45,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:25:45,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:25:45,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:25:45,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:25:45,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:25:45,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:25:45,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:25:45,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:25:45,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:25:45,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:25:45,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:25:45,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:25:45,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:25:45,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:25:45,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:25:45,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:25:45,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:25:45,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:25:45,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:25:45,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:25:45,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:25:45,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 18:25:45,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:25:45,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:25:45,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:25:45,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:25:45,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:25:45,888 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:25:45,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:25:45,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:25:45,889 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:25:45,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:25:45,891 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:25:45,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:25:45,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:25:45,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:25:45,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:25:45,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:25:45,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:25:45,892 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:25:45,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:25:45,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:25:45,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:25:45,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:25:45,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:25:45,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:25:45,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:25:45,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:25:45,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:25:45,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:25:45,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:25:45,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:25:45,897 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:25:45,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:25:45,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:25:45,898 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_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0de0fd0b8cb0cee609d45117c8166ea2b32bbf1ee23893cc14af47ce8649a66b [2022-11-18 18:25:46,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:25:46,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:25:46,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:25:46,295 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:25:46,296 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:25:46,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c [2022-11-18 18:25:46,405 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/data/90dc961fc/240ad704251241bf80a6103611bb0b2f/FLAG6870a806e [2022-11-18 18:25:47,177 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:25:47,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/sv-benchmarks/c/eca-rers2012/Problem03_label57.c [2022-11-18 18:25:47,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/data/90dc961fc/240ad704251241bf80a6103611bb0b2f/FLAG6870a806e [2022-11-18 18:25:47,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/data/90dc961fc/240ad704251241bf80a6103611bb0b2f [2022-11-18 18:25:47,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:25:47,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:25:47,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:25:47,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:25:47,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:25:47,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:25:47" (1/1) ... [2022-11-18 18:25:47,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d8f895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:47, skipping insertion in model container [2022-11-18 18:25:47,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:25:47" (1/1) ... [2022-11-18 18:25:47,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:25:47,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:25:48,134 WARN L234 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_c250b925-03cd-4920-8be0-2f18c3285509/sv-benchmarks/c/eca-rers2012/Problem03_label57.c[55951,55964] [2022-11-18 18:25:48,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:25:48,212 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:25:48,511 WARN L234 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_c250b925-03cd-4920-8be0-2f18c3285509/sv-benchmarks/c/eca-rers2012/Problem03_label57.c[55951,55964] [2022-11-18 18:25:48,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:25:48,550 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:25:48,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48 WrapperNode [2022-11-18 18:25:48,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:25:48,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:25:48,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:25:48,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:25:48,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,710 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-11-18 18:25:48,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:25:48,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:25:48,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:25:48,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:25:48,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,862 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:25:48,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:25:48,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:25:48,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:25:48,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (1/1) ... [2022-11-18 18:25:48,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:25:48,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:25:48,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:25:48,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:25:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:25:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:25:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:25:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:25:49,134 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:25:49,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:25:51,284 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:25:51,304 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:25:51,304 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:25:51,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:25:51 BoogieIcfgContainer [2022-11-18 18:25:51,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:25:51,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:25:51,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:25:51,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:25:51,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:25:47" (1/3) ... [2022-11-18 18:25:51,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d616166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:25:51, skipping insertion in model container [2022-11-18 18:25:51,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:25:48" (2/3) ... [2022-11-18 18:25:51,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d616166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:25:51, skipping insertion in model container [2022-11-18 18:25:51,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:25:51" (3/3) ... [2022-11-18 18:25:51,317 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label57.c [2022-11-18 18:25:51,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:25:51,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:25:51,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:25:51,443 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;@62ce0774, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:25:51,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:25:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:51,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-18 18:25:51,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:25:51,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:25:51,468 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:25:51,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:51,474 INFO L85 PathProgramCache]: Analyzing trace with hash -10226053, now seen corresponding path program 1 times [2022-11-18 18:25:51,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:51,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360486294] [2022-11-18 18:25:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:51,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:25:52,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:52,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360486294] [2022-11-18 18:25:52,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360486294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:52,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:52,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:25:52,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579439863] [2022-11-18 18:25:52,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:52,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:25:52,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:52,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:25:52,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:25:52,635 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:54,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:25:54,094 INFO L93 Difference]: Finished difference Result 835 states and 1478 transitions. [2022-11-18 18:25:54,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:25:54,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2022-11-18 18:25:54,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:25:54,116 INFO L225 Difference]: With dead ends: 835 [2022-11-18 18:25:54,117 INFO L226 Difference]: Without dead ends: 456 [2022-11-18 18:25:54,121 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 [2022-11-18 18:25:54,124 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 127 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:25:54,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 161 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 18:25:54,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2022-11-18 18:25:54,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 451. [2022-11-18 18:25:54,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 450 states have (on average 1.5622222222222222) internal successors, (703), 450 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 703 transitions. [2022-11-18 18:25:54,196 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 703 transitions. Word has length 161 [2022-11-18 18:25:54,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:25:54,199 INFO L495 AbstractCegarLoop]: Abstraction has 451 states and 703 transitions. [2022-11-18 18:25:54,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:54,200 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 703 transitions. [2022-11-18 18:25:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-18 18:25:54,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:25:54,212 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:25:54,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:25:54,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:25:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:54,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1912871251, now seen corresponding path program 1 times [2022-11-18 18:25:54,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:54,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751536134] [2022-11-18 18:25:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:54,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:25:54,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:54,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751536134] [2022-11-18 18:25:54,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751536134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:54,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:54,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:25:54,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360715210] [2022-11-18 18:25:54,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:54,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:25:54,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:54,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:25:54,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:25:54,669 INFO L87 Difference]: Start difference. First operand 451 states and 703 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 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) [2022-11-18 18:25:55,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:25:55,859 INFO L93 Difference]: Finished difference Result 1340 states and 2094 transitions. [2022-11-18 18:25:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:25:55,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 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 167 [2022-11-18 18:25:55,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:25:55,864 INFO L225 Difference]: With dead ends: 1340 [2022-11-18 18:25:55,864 INFO L226 Difference]: Without dead ends: 891 [2022-11-18 18:25:55,866 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 [2022-11-18 18:25:55,867 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 285 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:25:55,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 154 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 18:25:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2022-11-18 18:25:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 887. [2022-11-18 18:25:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 1.5474040632054176) internal successors, (1371), 886 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1371 transitions. [2022-11-18 18:25:55,904 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1371 transitions. Word has length 167 [2022-11-18 18:25:55,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:25:55,904 INFO L495 AbstractCegarLoop]: Abstraction has 887 states and 1371 transitions. [2022-11-18 18:25:55,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 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) [2022-11-18 18:25:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1371 transitions. [2022-11-18 18:25:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-18 18:25:55,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:25:55,908 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:25:55,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:25:55,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:25:55,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:55,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1078481951, now seen corresponding path program 1 times [2022-11-18 18:25:55,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:55,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867455667] [2022-11-18 18:25:55,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:55,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:25:56,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:56,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867455667] [2022-11-18 18:25:56,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867455667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:56,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:56,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:25:56,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912239752] [2022-11-18 18:25:56,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:56,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:25:56,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:56,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:25:56,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:25:56,320 INFO L87 Difference]: Start difference. First operand 887 states and 1371 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:57,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:25:57,465 INFO L93 Difference]: Finished difference Result 2612 states and 4042 transitions. [2022-11-18 18:25:57,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:25:57,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2022-11-18 18:25:57,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:25:57,472 INFO L225 Difference]: With dead ends: 2612 [2022-11-18 18:25:57,472 INFO L226 Difference]: Without dead ends: 1727 [2022-11-18 18:25:57,475 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 [2022-11-18 18:25:57,482 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 234 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:25:57,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 114 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 18:25:57,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2022-11-18 18:25:57,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1725. [2022-11-18 18:25:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1724 states have (on average 1.4715777262180973) internal successors, (2537), 1724 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2537 transitions. [2022-11-18 18:25:57,535 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2537 transitions. Word has length 171 [2022-11-18 18:25:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:25:57,535 INFO L495 AbstractCegarLoop]: Abstraction has 1725 states and 2537 transitions. [2022-11-18 18:25:57,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2537 transitions. [2022-11-18 18:25:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-18 18:25:57,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:25:57,540 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:25:57,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:25:57,541 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:25:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:57,543 INFO L85 PathProgramCache]: Analyzing trace with hash -585255518, now seen corresponding path program 1 times [2022-11-18 18:25:57,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:57,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600651644] [2022-11-18 18:25:57,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:57,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:25:57,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:57,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600651644] [2022-11-18 18:25:57,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600651644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:57,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:57,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:25:57,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518942569] [2022-11-18 18:25:57,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:57,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:25:57,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:57,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:25:57,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:25:57,788 INFO L87 Difference]: Start difference. First operand 1725 states and 2537 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:58,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:25:58,847 INFO L93 Difference]: Finished difference Result 5091 states and 7490 transitions. [2022-11-18 18:25:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:25:58,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 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 174 [2022-11-18 18:25:58,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:25:58,860 INFO L225 Difference]: With dead ends: 5091 [2022-11-18 18:25:58,861 INFO L226 Difference]: Without dead ends: 3368 [2022-11-18 18:25:58,863 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 [2022-11-18 18:25:58,871 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 252 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:25:58,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 155 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:25:58,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2022-11-18 18:25:58,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3366. [2022-11-18 18:25:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 3365 states have (on average 1.4056463595839523) internal successors, (4730), 3365 states have internal predecessors, (4730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 4730 transitions. [2022-11-18 18:25:58,953 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 4730 transitions. Word has length 174 [2022-11-18 18:25:58,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:25:58,953 INFO L495 AbstractCegarLoop]: Abstraction has 3366 states and 4730 transitions. [2022-11-18 18:25:58,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:25:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 4730 transitions. [2022-11-18 18:25:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-18 18:25:58,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:25:58,960 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:25:58,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:25:58,960 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:25:58,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:25:58,961 INFO L85 PathProgramCache]: Analyzing trace with hash 288702254, now seen corresponding path program 1 times [2022-11-18 18:25:58,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:25:58,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690504469] [2022-11-18 18:25:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:25:58,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:25:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:25:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:25:59,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:25:59,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690504469] [2022-11-18 18:25:59,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690504469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:25:59,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:25:59,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:25:59,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79611666] [2022-11-18 18:25:59,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:25:59,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:25:59,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:25:59,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:25:59,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:25:59,460 INFO L87 Difference]: Start difference. First operand 3366 states and 4730 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:00,610 INFO L93 Difference]: Finished difference Result 8986 states and 12606 transitions. [2022-11-18 18:26:00,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:00,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2022-11-18 18:26:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:00,630 INFO L225 Difference]: With dead ends: 8986 [2022-11-18 18:26:00,630 INFO L226 Difference]: Without dead ends: 5622 [2022-11-18 18:26:00,634 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 [2022-11-18 18:26:00,634 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 208 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:00,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 155 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:26:00,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5622 states. [2022-11-18 18:26:00,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5622 to 5599. [2022-11-18 18:26:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5599 states, 5598 states have (on average 1.354769560557342) internal successors, (7584), 5598 states have internal predecessors, (7584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5599 states to 5599 states and 7584 transitions. [2022-11-18 18:26:00,763 INFO L78 Accepts]: Start accepts. Automaton has 5599 states and 7584 transitions. Word has length 180 [2022-11-18 18:26:00,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:00,763 INFO L495 AbstractCegarLoop]: Abstraction has 5599 states and 7584 transitions. [2022-11-18 18:26:00,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 5599 states and 7584 transitions. [2022-11-18 18:26:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-18 18:26:00,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:00,773 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:00,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:26:00,773 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:00,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:00,774 INFO L85 PathProgramCache]: Analyzing trace with hash -26883798, now seen corresponding path program 1 times [2022-11-18 18:26:00,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:00,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612260326] [2022-11-18 18:26:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:00,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:01,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:01,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612260326] [2022-11-18 18:26:01,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612260326] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:01,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488035262] [2022-11-18 18:26:01,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:01,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:01,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:01,150 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:01,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:26:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:01,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:26:01,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 18:26:01,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:01,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488035262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:01,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:01,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-18 18:26:01,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42062085] [2022-11-18 18:26:01,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:01,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:01,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:01,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:01,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:01,443 INFO L87 Difference]: Start difference. First operand 5599 states and 7584 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 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) [2022-11-18 18:26:02,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:02,600 INFO L93 Difference]: Finished difference Result 16090 states and 21907 transitions. [2022-11-18 18:26:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:02,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 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 181 [2022-11-18 18:26:02,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:02,639 INFO L225 Difference]: With dead ends: 16090 [2022-11-18 18:26:02,639 INFO L226 Difference]: Without dead ends: 10696 [2022-11-18 18:26:02,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:02,650 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 241 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:02,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 167 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:26:02,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10696 states. [2022-11-18 18:26:02,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10696 to 10690. [2022-11-18 18:26:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10690 states, 10689 states have (on average 1.3091028159790439) internal successors, (13993), 10689 states have internal predecessors, (13993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10690 states to 10690 states and 13993 transitions. [2022-11-18 18:26:02,931 INFO L78 Accepts]: Start accepts. Automaton has 10690 states and 13993 transitions. Word has length 181 [2022-11-18 18:26:02,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:02,931 INFO L495 AbstractCegarLoop]: Abstraction has 10690 states and 13993 transitions. [2022-11-18 18:26:02,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 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) [2022-11-18 18:26:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 10690 states and 13993 transitions. [2022-11-18 18:26:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-18 18:26:02,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:02,949 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:02,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:03,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:03,156 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:03,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:03,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1527292661, now seen corresponding path program 1 times [2022-11-18 18:26:03,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:03,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396024535] [2022-11-18 18:26:03,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:03,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:03,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:03,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396024535] [2022-11-18 18:26:03,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396024535] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:03,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553552824] [2022-11-18 18:26:03,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:03,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:03,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:03,560 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:03,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 18:26:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:03,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:26:03,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:03,809 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 18:26:03,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:03,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553552824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:03,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:03,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-18 18:26:03,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469803774] [2022-11-18 18:26:03,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:03,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:03,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:03,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:03,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:03,820 INFO L87 Difference]: Start difference. First operand 10690 states and 13993 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:05,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:05,041 INFO L93 Difference]: Finished difference Result 29502 states and 38797 transitions. [2022-11-18 18:26:05,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:05,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2022-11-18 18:26:05,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:05,089 INFO L225 Difference]: With dead ends: 29502 [2022-11-18 18:26:05,090 INFO L226 Difference]: Without dead ends: 19017 [2022-11-18 18:26:05,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:05,104 INFO L413 NwaCegarLoop]: 385 mSDtfsCounter, 229 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:05,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 414 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:26:05,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19017 states. [2022-11-18 18:26:05,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19017 to 19013. [2022-11-18 18:26:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19013 states, 19012 states have (on average 1.1962970755312434) internal successors, (22744), 19012 states have internal predecessors, (22744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:05,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19013 states to 19013 states and 22744 transitions. [2022-11-18 18:26:05,583 INFO L78 Accepts]: Start accepts. Automaton has 19013 states and 22744 transitions. Word has length 185 [2022-11-18 18:26:05,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:05,583 INFO L495 AbstractCegarLoop]: Abstraction has 19013 states and 22744 transitions. [2022-11-18 18:26:05,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 19013 states and 22744 transitions. [2022-11-18 18:26:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-18 18:26:05,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:05,603 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:05,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:05,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-18 18:26:05,809 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:05,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:05,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1053546919, now seen corresponding path program 1 times [2022-11-18 18:26:05,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:05,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314394649] [2022-11-18 18:26:05,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:05,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:06,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:06,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314394649] [2022-11-18 18:26:06,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314394649] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:06,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751726917] [2022-11-18 18:26:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:06,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:06,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:06,337 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:06,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 18:26:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:06,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:26:06,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 18:26:06,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:06,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751726917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:06,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:06,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-11-18 18:26:06,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383690490] [2022-11-18 18:26:06,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:06,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:06,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:06,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:06,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:06,597 INFO L87 Difference]: Start difference. First operand 19013 states and 22744 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:08,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:08,074 INFO L93 Difference]: Finished difference Result 43712 states and 53282 transitions. [2022-11-18 18:26:08,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:08,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2022-11-18 18:26:08,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:08,148 INFO L225 Difference]: With dead ends: 43712 [2022-11-18 18:26:08,148 INFO L226 Difference]: Without dead ends: 24904 [2022-11-18 18:26:08,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:08,174 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 222 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:08,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 171 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 18:26:08,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24904 states. [2022-11-18 18:26:08,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24904 to 24900. [2022-11-18 18:26:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24900 states, 24899 states have (on average 1.1796859311618941) internal successors, (29373), 24899 states have internal predecessors, (29373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24900 states to 24900 states and 29373 transitions. [2022-11-18 18:26:08,915 INFO L78 Accepts]: Start accepts. Automaton has 24900 states and 29373 transitions. Word has length 187 [2022-11-18 18:26:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:08,915 INFO L495 AbstractCegarLoop]: Abstraction has 24900 states and 29373 transitions. [2022-11-18 18:26:08,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 24900 states and 29373 transitions. [2022-11-18 18:26:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-18 18:26:08,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:08,946 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:08,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:09,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-18 18:26:09,152 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:09,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:09,153 INFO L85 PathProgramCache]: Analyzing trace with hash 383666067, now seen corresponding path program 1 times [2022-11-18 18:26:09,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:09,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321815017] [2022-11-18 18:26:09,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:09,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:09,723 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-18 18:26:09,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:09,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321815017] [2022-11-18 18:26:09,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321815017] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:09,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077019066] [2022-11-18 18:26:09,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:09,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:09,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:09,726 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:09,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 18:26:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:09,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:26:09,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-18 18:26:10,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:10,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077019066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:10,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:10,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-18 18:26:10,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360745326] [2022-11-18 18:26:10,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:10,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:10,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:10,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:10,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:10,236 INFO L87 Difference]: Start difference. First operand 24900 states and 29373 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:11,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:11,540 INFO L93 Difference]: Finished difference Result 65916 states and 78202 transitions. [2022-11-18 18:26:11,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:11,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 219 [2022-11-18 18:26:11,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:11,750 INFO L225 Difference]: With dead ends: 65916 [2022-11-18 18:26:11,751 INFO L226 Difference]: Without dead ends: 41221 [2022-11-18 18:26:11,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:11,796 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 110 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:11,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 181 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:26:11,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41221 states. [2022-11-18 18:26:12,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41221 to 41205. [2022-11-18 18:26:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41205 states, 41204 states have (on average 1.1719250558198233) internal successors, (48288), 41204 states have internal predecessors, (48288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41205 states to 41205 states and 48288 transitions. [2022-11-18 18:26:12,818 INFO L78 Accepts]: Start accepts. Automaton has 41205 states and 48288 transitions. Word has length 219 [2022-11-18 18:26:12,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:12,819 INFO L495 AbstractCegarLoop]: Abstraction has 41205 states and 48288 transitions. [2022-11-18 18:26:12,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41205 states and 48288 transitions. [2022-11-18 18:26:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-18 18:26:12,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:12,869 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:12,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:13,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:13,078 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:13,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:13,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1507060477, now seen corresponding path program 1 times [2022-11-18 18:26:13,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:13,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341515200] [2022-11-18 18:26:13,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:13,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-18 18:26:13,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:13,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341515200] [2022-11-18 18:26:13,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341515200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:13,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:13,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:13,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529687743] [2022-11-18 18:26:13,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:13,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:13,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:13,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:13,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:13,418 INFO L87 Difference]: Start difference. First operand 41205 states and 48288 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:14,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:14,315 INFO L93 Difference]: Finished difference Result 79300 states and 92671 transitions. [2022-11-18 18:26:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:14,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 222 [2022-11-18 18:26:14,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:14,389 INFO L225 Difference]: With dead ends: 79300 [2022-11-18 18:26:14,389 INFO L226 Difference]: Without dead ends: 38300 [2022-11-18 18:26:14,410 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 [2022-11-18 18:26:14,411 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:14,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 18:26:14,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38300 states. [2022-11-18 18:26:15,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38300 to 38300. [2022-11-18 18:26:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38300 states, 38299 states have (on average 1.1561659573357006) internal successors, (44280), 38299 states have internal predecessors, (44280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38300 states to 38300 states and 44280 transitions. [2022-11-18 18:26:15,327 INFO L78 Accepts]: Start accepts. Automaton has 38300 states and 44280 transitions. Word has length 222 [2022-11-18 18:26:15,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:15,327 INFO L495 AbstractCegarLoop]: Abstraction has 38300 states and 44280 transitions. [2022-11-18 18:26:15,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 38300 states and 44280 transitions. [2022-11-18 18:26:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-18 18:26:15,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:15,368 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:15,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:26:15,369 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:15,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:15,370 INFO L85 PathProgramCache]: Analyzing trace with hash -361443703, now seen corresponding path program 1 times [2022-11-18 18:26:15,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:15,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158015572] [2022-11-18 18:26:15,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:15,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 18:26:16,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:16,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158015572] [2022-11-18 18:26:16,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158015572] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:16,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436838518] [2022-11-18 18:26:16,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:16,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:16,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:16,139 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:16,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 18:26:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:16,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:26:16,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 18:26:16,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:16,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436838518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:16,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:16,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-18 18:26:16,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494075952] [2022-11-18 18:26:16,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:16,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:16,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:16,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:16,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:26:16,378 INFO L87 Difference]: Start difference. First operand 38300 states and 44280 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:17,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:17,324 INFO L93 Difference]: Finished difference Result 107116 states and 124080 transitions. [2022-11-18 18:26:17,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:17,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 228 [2022-11-18 18:26:17,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:17,460 INFO L225 Difference]: With dead ends: 107116 [2022-11-18 18:26:17,460 INFO L226 Difference]: Without dead ends: 69224 [2022-11-18 18:26:17,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:26:17,488 INFO L413 NwaCegarLoop]: 585 mSDtfsCounter, 288 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:17,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 811 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 18:26:17,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69224 states. [2022-11-18 18:26:18,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69224 to 69212. [2022-11-18 18:26:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69212 states, 69211 states have (on average 1.1403823091705076) internal successors, (78927), 69211 states have internal predecessors, (78927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:18,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69212 states to 69212 states and 78927 transitions. [2022-11-18 18:26:18,868 INFO L78 Accepts]: Start accepts. Automaton has 69212 states and 78927 transitions. Word has length 228 [2022-11-18 18:26:18,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:18,869 INFO L495 AbstractCegarLoop]: Abstraction has 69212 states and 78927 transitions. [2022-11-18 18:26:18,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 69212 states and 78927 transitions. [2022-11-18 18:26:18,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-18 18:26:18,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:18,904 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:18,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:19,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:19,121 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:19,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:19,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1616179030, now seen corresponding path program 1 times [2022-11-18 18:26:19,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:19,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765587608] [2022-11-18 18:26:19,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:19,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:19,974 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-18 18:26:19,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:19,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765587608] [2022-11-18 18:26:19,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765587608] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:19,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940668099] [2022-11-18 18:26:19,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:19,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:19,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:19,976 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:20,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 18:26:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:20,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:26:20,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:20,468 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-18 18:26:20,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:20,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940668099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:20,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:20,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-18 18:26:20,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130529194] [2022-11-18 18:26:20,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:20,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:20,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:20,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:20,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:20,472 INFO L87 Difference]: Start difference. First operand 69212 states and 78927 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:22,117 INFO L93 Difference]: Finished difference Result 170388 states and 194766 transitions. [2022-11-18 18:26:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:22,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 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 239 [2022-11-18 18:26:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:22,333 INFO L225 Difference]: With dead ends: 170388 [2022-11-18 18:26:22,333 INFO L226 Difference]: Without dead ends: 101584 [2022-11-18 18:26:22,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:22,388 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 69 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:22,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 162 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:26:22,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101584 states. [2022-11-18 18:26:24,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101584 to 97071. [2022-11-18 18:26:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97071 states, 97070 states have (on average 1.1437004223756053) internal successors, (111019), 97070 states have internal predecessors, (111019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97071 states to 97071 states and 111019 transitions. [2022-11-18 18:26:24,520 INFO L78 Accepts]: Start accepts. Automaton has 97071 states and 111019 transitions. Word has length 239 [2022-11-18 18:26:24,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:24,520 INFO L495 AbstractCegarLoop]: Abstraction has 97071 states and 111019 transitions. [2022-11-18 18:26:24,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 97071 states and 111019 transitions. [2022-11-18 18:26:24,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-18 18:26:24,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:24,581 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:24,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:24,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 18:26:24,797 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:24,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:24,797 INFO L85 PathProgramCache]: Analyzing trace with hash 567014546, now seen corresponding path program 1 times [2022-11-18 18:26:24,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:24,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809543453] [2022-11-18 18:26:24,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:24,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 18:26:25,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:25,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809543453] [2022-11-18 18:26:25,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809543453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:25,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:25,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:25,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062417218] [2022-11-18 18:26:25,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:25,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:25,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:25,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:25,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:25,057 INFO L87 Difference]: Start difference. First operand 97071 states and 111019 transitions. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:26,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:26,779 INFO L93 Difference]: Finished difference Result 179892 states and 205800 transitions. [2022-11-18 18:26:26,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:26,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 279 [2022-11-18 18:26:26,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:26,877 INFO L225 Difference]: With dead ends: 179892 [2022-11-18 18:26:26,877 INFO L226 Difference]: Without dead ends: 83229 [2022-11-18 18:26:26,922 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 [2022-11-18 18:26:26,922 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 243 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:26,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 336 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 18:26:27,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83229 states. [2022-11-18 18:26:28,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83229 to 83227. [2022-11-18 18:26:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83227 states, 83226 states have (on average 1.1156249249032755) internal successors, (92849), 83226 states have internal predecessors, (92849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83227 states to 83227 states and 92849 transitions. [2022-11-18 18:26:28,957 INFO L78 Accepts]: Start accepts. Automaton has 83227 states and 92849 transitions. Word has length 279 [2022-11-18 18:26:28,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:28,958 INFO L495 AbstractCegarLoop]: Abstraction has 83227 states and 92849 transitions. [2022-11-18 18:26:28,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:28,958 INFO L276 IsEmpty]: Start isEmpty. Operand 83227 states and 92849 transitions. [2022-11-18 18:26:29,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-11-18 18:26:29,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:29,023 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 18:26:29,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:26:29,024 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:29,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:29,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1840660692, now seen corresponding path program 1 times [2022-11-18 18:26:29,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:29,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496597999] [2022-11-18 18:26:29,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:29,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-18 18:26:29,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:29,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496597999] [2022-11-18 18:26:29,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496597999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:29,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:29,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:29,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25934797] [2022-11-18 18:26:29,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:29,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:29,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:29,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:29,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:29,283 INFO L87 Difference]: Start difference. First operand 83227 states and 92849 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:31,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:31,077 INFO L93 Difference]: Finished difference Result 161136 states and 179509 transitions. [2022-11-18 18:26:31,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:31,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 291 [2022-11-18 18:26:31,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:31,179 INFO L225 Difference]: With dead ends: 161136 [2022-11-18 18:26:31,180 INFO L226 Difference]: Without dead ends: 78114 [2022-11-18 18:26:31,199 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 [2022-11-18 18:26:31,199 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 222 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:31,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 332 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 18:26:31,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78114 states. [2022-11-18 18:26:32,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78114 to 68146. [2022-11-18 18:26:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68146 states, 68145 states have (on average 1.0906742974539585) internal successors, (74324), 68145 states have internal predecessors, (74324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68146 states to 68146 states and 74324 transitions. [2022-11-18 18:26:32,460 INFO L78 Accepts]: Start accepts. Automaton has 68146 states and 74324 transitions. Word has length 291 [2022-11-18 18:26:32,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:32,460 INFO L495 AbstractCegarLoop]: Abstraction has 68146 states and 74324 transitions. [2022-11-18 18:26:32,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 68146 states and 74324 transitions. [2022-11-18 18:26:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2022-11-18 18:26:32,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:32,498 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:32,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:26:32,499 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:32,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:32,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1360195708, now seen corresponding path program 1 times [2022-11-18 18:26:32,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:32,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888817299] [2022-11-18 18:26:32,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:32,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 130 proven. 12 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-18 18:26:33,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:33,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888817299] [2022-11-18 18:26:33,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888817299] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:33,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634663295] [2022-11-18 18:26:33,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:33,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:33,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:33,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-18 18:26:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:33,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:26:33,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-18 18:26:33,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:33,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634663295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:33,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:33,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-18 18:26:33,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562000661] [2022-11-18 18:26:33,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:33,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:33,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:33,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:33,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:26:33,914 INFO L87 Difference]: Start difference. First operand 68146 states and 74324 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:35,601 INFO L93 Difference]: Finished difference Result 148698 states and 161746 transitions. [2022-11-18 18:26:35,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:35,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 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 323 [2022-11-18 18:26:35,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:35,716 INFO L225 Difference]: With dead ends: 148698 [2022-11-18 18:26:35,716 INFO L226 Difference]: Without dead ends: 80960 [2022-11-18 18:26:35,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:26:35,756 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 132 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:35,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 348 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 18:26:35,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80960 states. [2022-11-18 18:26:37,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80960 to 80318. [2022-11-18 18:26:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80318 states, 80317 states have (on average 1.0788749579790082) internal successors, (86652), 80317 states have internal predecessors, (86652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:37,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80318 states to 80318 states and 86652 transitions. [2022-11-18 18:26:37,410 INFO L78 Accepts]: Start accepts. Automaton has 80318 states and 86652 transitions. Word has length 323 [2022-11-18 18:26:37,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:37,411 INFO L495 AbstractCegarLoop]: Abstraction has 80318 states and 86652 transitions. [2022-11-18 18:26:37,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 80318 states and 86652 transitions. [2022-11-18 18:26:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-11-18 18:26:37,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:37,903 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:37,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:38,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-18 18:26:38,110 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:38,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:38,111 INFO L85 PathProgramCache]: Analyzing trace with hash 940109861, now seen corresponding path program 1 times [2022-11-18 18:26:38,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:38,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819154343] [2022-11-18 18:26:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:38,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 12 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-18 18:26:38,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:38,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819154343] [2022-11-18 18:26:38,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819154343] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:38,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906502312] [2022-11-18 18:26:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:38,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:38,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:38,836 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:38,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-18 18:26:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:39,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:26:39,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-18 18:26:39,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:39,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906502312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:39,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:39,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-18 18:26:39,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029346548] [2022-11-18 18:26:39,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:39,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:39,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:39,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:39,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:26:39,225 INFO L87 Difference]: Start difference. First operand 80318 states and 86652 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:40,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:40,796 INFO L93 Difference]: Finished difference Result 142750 states and 153672 transitions. [2022-11-18 18:26:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:40,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 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 [2022-11-18 18:26:40,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:40,885 INFO L225 Difference]: With dead ends: 142750 [2022-11-18 18:26:40,885 INFO L226 Difference]: Without dead ends: 62840 [2022-11-18 18:26:40,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:26:40,920 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 218 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:40,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 325 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 18:26:40,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62840 states. [2022-11-18 18:26:41,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62840 to 49618. [2022-11-18 18:26:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49618 states, 49617 states have (on average 1.066307918656912) internal successors, (52907), 49617 states have internal predecessors, (52907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:42,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49618 states to 49618 states and 52907 transitions. [2022-11-18 18:26:42,066 INFO L78 Accepts]: Start accepts. Automaton has 49618 states and 52907 transitions. Word has length 357 [2022-11-18 18:26:42,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:42,066 INFO L495 AbstractCegarLoop]: Abstraction has 49618 states and 52907 transitions. [2022-11-18 18:26:42,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:42,067 INFO L276 IsEmpty]: Start isEmpty. Operand 49618 states and 52907 transitions. [2022-11-18 18:26:42,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-11-18 18:26:42,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:42,112 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 18:26:42,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:42,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-18 18:26:42,313 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:26:42,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:42,314 INFO L85 PathProgramCache]: Analyzing trace with hash 866427683, now seen corresponding path program 1 times [2022-11-18 18:26:42,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:26:42,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163488162] [2022-11-18 18:26:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:42,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:26:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:43,190 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 190 proven. 12 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-18 18:26:43,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:26:43,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163488162] [2022-11-18 18:26:43,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163488162] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:26:43,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52267823] [2022-11-18 18:26:43,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:43,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:26:43,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:43,195 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:26:43,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-18 18:26:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:43,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:26:43,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-18 18:26:43,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:43,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52267823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:43,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:26:43,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-18 18:26:43,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051145381] [2022-11-18 18:26:43,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:43,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:43,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:26:43,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:43,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:26:43,949 INFO L87 Difference]: Start difference. First operand 49618 states and 52907 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:45,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:45,360 INFO L93 Difference]: Finished difference Result 98628 states and 105162 transitions. [2022-11-18 18:26:45,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:45,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 364 [2022-11-18 18:26:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:45,362 INFO L225 Difference]: With dead ends: 98628 [2022-11-18 18:26:45,362 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:26:45,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:26:45,383 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 101 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:45,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 287 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:26:45,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:26:45,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:26:45,385 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) [2022-11-18 18:26:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:26:45,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2022-11-18 18:26:45,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:45,385 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:26:45,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:26:45,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:26:45,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:26:45,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-18 18:26:45,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-18 18:26:45,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:26:59,569 WARN L233 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 534 DAG size of output: 62 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-18 18:27:04,567 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,568 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,569 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,570 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,571 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,571 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,571 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,571 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-18 18:27:04,571 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-18 18:27:04,571 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,571 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-11-18 18:27:04,572 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,572 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-18 18:27:04,572 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-11-18 18:27:04,572 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,572 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,572 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,572 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,572 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-11-18 18:27:04,573 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,574 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-18 18:27:04,575 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,576 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-11-18 18:27:04,577 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,577 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-11-18 18:27:04,577 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:27:04,577 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,577 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,577 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-11-18 18:27:04,577 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-11-18 18:27:04,577 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,578 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,578 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,578 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,578 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,578 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,578 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,578 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-11-18 18:27:04,578 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-11-18 18:27:04,579 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-18 18:27:04,579 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-18 18:27:04,579 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-11-18 18:27:04,579 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,579 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,579 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,579 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,580 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,580 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,580 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,580 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,580 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,580 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,580 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-18 18:27:04,581 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-18 18:27:04,581 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-11-18 18:27:04,581 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,581 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,581 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,581 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,581 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,582 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,582 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,582 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,582 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,582 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:27:04,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1528) no Hoare annotation was computed. [2022-11-18 18:27:04,582 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-18 18:27:04,583 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-18 18:27:04,583 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-11-18 18:27:04,583 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-11-18 18:27:04,583 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-11-18 18:27:04,583 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,583 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,583 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,584 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,584 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,584 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,584 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,584 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,584 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-18 18:27:04,584 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-18 18:27:04,585 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-11-18 18:27:04,585 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,585 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,585 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,585 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-11-18 18:27:04,585 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-11-18 18:27:04,585 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,586 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,586 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,586 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-11-18 18:27:04,586 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,586 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-11-18 18:27:04,586 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,586 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-11-18 18:27:04,587 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,587 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,587 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-11-18 18:27:04,587 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-11-18 18:27:04,587 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-11-18 18:27:04,587 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-11-18 18:27:04,587 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-18 18:27:04,587 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-18 18:27:04,588 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-18 18:27:04,588 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,588 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,588 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,589 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse2 (= ~a11~0 1))) (let ((.cse11 (not .cse2)) (.cse10 (= ~a12~0 1)) (.cse5 (<= 2 ~a3~0)) (.cse6 (<= ~a26~0 0)) (.cse14 (= ~a26~0 ~a11~0)) (.cse8 (= ~a27~0 1)) (.cse1 (<= ~a3~0 1)) (.cse3 (<= ~a12~0 0)) (.cse4 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a3~0 0)) (.cse13 (= ~a12~0 ~a11~0)) (.cse7 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse9 .cse0 .cse10 .cse5 .cse4) (and .cse9 .cse0 .cse3 .cse8 .cse4) (and .cse0 .cse10 .cse7 .cse8 .cse11) (and .cse0 .cse12 .cse3 .cse8 .cse4) (and .cse9 .cse0 .cse10 .cse7 .cse11) (and .cse9 .cse0 .cse10 .cse12 .cse4) (and .cse0 .cse13 .cse2 .cse7 .cse14 .cse8) (and .cse0 .cse10 .cse1 .cse7 .cse11) (and .cse9 .cse0 .cse7 .cse3) (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse13 .cse6 .cse2 .cse7) (and .cse0 .cse10 .cse6 .cse7 .cse11) (and .cse9 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse13 .cse2 .cse7 .cse8) (and .cse9 .cse0 .cse13 .cse2 .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse0 .cse12 .cse13 .cse2 .cse7 .cse8) (and .cse0 .cse12 .cse7 .cse3 .cse8) (and .cse9 (<= ~a10~0 0) .cse0 .cse10 .cse8 .cse4) (and .cse0 .cse7 .cse3 .cse11) (and .cse0 .cse10 .cse12 .cse6 .cse11 .cse4) (and .cse0 .cse10 .cse5 .cse6 .cse14 .cse8 .cse4) (and .cse9 .cse0 .cse1 .cse3 .cse4) (and .cse9 .cse0 .cse12 .cse13 .cse2 .cse7)))) [2022-11-18 18:27:04,589 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,589 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,589 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,590 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-18 18:27:04,590 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-11-18 18:27:04,590 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,590 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,590 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,590 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-11-18 18:27:04,590 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,591 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,591 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,591 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,591 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,591 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,591 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-18 18:27:04,592 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-11-18 18:27:04,592 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,592 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,592 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,592 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,592 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,592 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,593 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,593 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,593 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,593 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-18 18:27:04,593 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-11-18 18:27:04,593 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,593 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,594 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-18 18:27:04,594 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-11-18 18:27:04,594 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,594 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse2 (= ~a11~0 1))) (let ((.cse11 (not .cse2)) (.cse10 (= ~a12~0 1)) (.cse5 (<= 2 ~a3~0)) (.cse6 (<= ~a26~0 0)) (.cse14 (= ~a26~0 ~a11~0)) (.cse8 (= ~a27~0 1)) (.cse1 (<= ~a3~0 1)) (.cse3 (<= ~a12~0 0)) (.cse4 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a3~0 0)) (.cse13 (= ~a12~0 ~a11~0)) (.cse7 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse9 .cse0 .cse10 .cse5 .cse4) (and .cse9 .cse0 .cse3 .cse8 .cse4) (and .cse0 .cse10 .cse7 .cse8 .cse11) (and .cse0 .cse12 .cse3 .cse8 .cse4) (and .cse9 .cse0 .cse10 .cse7 .cse11) (and .cse9 .cse0 .cse10 .cse12 .cse4) (and .cse0 .cse13 .cse2 .cse7 .cse14 .cse8) (and .cse0 .cse10 .cse1 .cse7 .cse11) (and .cse9 .cse0 .cse7 .cse3) (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse13 .cse6 .cse2 .cse7) (and .cse0 .cse10 .cse6 .cse7 .cse11) (and .cse9 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse13 .cse2 .cse7 .cse8) (and .cse9 .cse0 .cse13 .cse2 .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse0 .cse12 .cse13 .cse2 .cse7 .cse8) (and .cse0 .cse12 .cse7 .cse3 .cse8) (and .cse9 (<= ~a10~0 0) .cse0 .cse10 .cse8 .cse4) (and .cse0 .cse7 .cse3 .cse11) (and .cse0 .cse10 .cse12 .cse6 .cse11 .cse4) (and .cse0 .cse10 .cse5 .cse6 .cse14 .cse8 .cse4) (and .cse9 .cse0 .cse1 .cse3 .cse4) (and .cse9 .cse0 .cse12 .cse13 .cse2 .cse7)))) [2022-11-18 18:27:04,595 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,595 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,595 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,595 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,595 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-18 18:27:04,595 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-11-18 18:27:04,596 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,596 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,596 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,596 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,596 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,596 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,596 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,597 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,597 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:27:04,597 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-11-18 18:27:04,597 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-11-18 18:27:04,597 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-18 18:27:04,597 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,598 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-11-18 18:27:04,598 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,598 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,598 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-11-18 18:27:04,598 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,598 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,598 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,599 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,599 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,599 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-11-18 18:27:04,599 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,599 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-18 18:27:04,599 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-11-18 18:27:04,599 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-11-18 18:27:04,600 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,600 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,600 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,600 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,600 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,600 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,600 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,601 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,601 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-11-18 18:27:04,601 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-11-18 18:27:04,601 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,601 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,601 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-18 18:27:04,602 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-11-18 18:27:04,602 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-11-18 18:27:04,602 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,602 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,602 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,602 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,602 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,603 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:27:04,603 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,603 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,603 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,603 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,603 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,603 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,604 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-18 18:27:04,604 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-11-18 18:27:04,604 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-11-18 18:27:04,604 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,604 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,604 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,604 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,605 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,605 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,605 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,605 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-11-18 18:27:04,605 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-11-18 18:27:04,605 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,606 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-18 18:27:04,606 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-18 18:27:04,606 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-11-18 18:27:04,606 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,606 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,606 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,606 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,607 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-11-18 18:27:04,607 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-11-18 18:27:04,607 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-11-18 18:27:04,607 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,607 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,607 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-11-18 18:27:04,611 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:04,613 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:27:04,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:27:04 BoogieIcfgContainer [2022-11-18 18:27:04,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:27:04,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:27:04,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:27:04,643 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:27:04,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:25:51" (3/4) ... [2022-11-18 18:27:04,647 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:27:04,682 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-18 18:27:04,696 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 18:27:04,698 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:27:04,700 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:27:04,898 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:27:04,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:27:04,901 INFO L158 Benchmark]: Toolchain (without parser) took 77570.47ms. Allocated memory was 142.6MB in the beginning and 12.9GB in the end (delta: 12.7GB). Free memory was 101.6MB in the beginning and 8.3GB in the end (delta: -8.2GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2022-11-18 18:27:04,902 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:27:04,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1219.28ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 68.5MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-18 18:27:04,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.29ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 53.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:27:04,903 INFO L158 Benchmark]: Boogie Preprocessor took 178.67ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 104.2MB in the end (delta: -50.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-11-18 18:27:04,904 INFO L158 Benchmark]: RCFGBuilder took 2416.03ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 104.2MB in the beginning and 157.1MB in the end (delta: -52.9MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2022-11-18 18:27:04,904 INFO L158 Benchmark]: TraceAbstraction took 73331.91ms. Allocated memory was 201.3MB in the beginning and 12.9GB in the end (delta: 12.7GB). Free memory was 157.1MB in the beginning and 8.4GB in the end (delta: -8.2GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2022-11-18 18:27:04,904 INFO L158 Benchmark]: Witness Printer took 256.06ms. Allocated memory is still 12.9GB. Free memory was 8.4GB in the beginning and 8.3GB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-18 18:27:04,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1219.28ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 68.5MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.29ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 53.9MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 178.67ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 104.2MB in the end (delta: -50.4MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2416.03ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 104.2MB in the beginning and 157.1MB in the end (delta: -52.9MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * TraceAbstraction took 73331.91ms. Allocated memory was 201.3MB in the beginning and 12.9GB in the end (delta: 12.7GB). Free memory was 157.1MB in the beginning and 8.4GB in the end (delta: -8.2GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. * Witness Printer took 256.06ms. Allocated memory is still 12.9GB. Free memory was 8.4GB in the beginning and 8.3GB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1528]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 73.2s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 24.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3510 SdHoareTripleChecker+Valid, 16.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3510 mSDsluCounter, 4304 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 589 mSDsCounter, 1744 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9391 IncrementalHoareTripleChecker+Invalid, 11135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1744 mSolverCounterUnsat, 3715 mSDtfsCounter, 9391 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2326 GetRequests, 2287 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97071occurred in iteration=12, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 28425 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 461 NumberOfFragments, 863 HoareAnnotationTreeSize, 3 FomulaSimplifications, 924 FormulaSimplificationTreeSizeReduction, 8.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18520 FormulaSimplificationTreeSizeReductionInter, 10.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 6211 NumberOfCodeBlocks, 6211 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 6185 ConstructedInterpolants, 0 QuantifiedInterpolants, 11356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4597 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 26 InterpolantComputations, 17 PerfectInterpolantSequences, 3022/3106 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 <= 0) && a6 <= 0) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a6 == 1) && a27 == 1) && !(a11 == 1))) || ((((a5 == 1 && a3 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == a11) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1)) || ((((a5 == 1 && a12 == 1) && a3 <= 1) && a6 == 1) && !(a11 == 1))) || (((a26 == 1 && a5 == 1) && a6 == 1) && a12 <= 0)) || ((((((a25 == a11 && a5 == 1) && a3 <= 1) && a12 == a11) && a26 <= 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a12 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 <= 0) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a5 == 1 && a3 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a10 <= 0) && a5 == 1) && a12 == 1) && a27 == 1) && a6 <= 0)) || (((a5 == 1 && a6 == 1) && a12 <= 0) && !(a11 == 1))) || (((((a5 == 1 && a12 == 1) && a3 <= 0) && a26 <= 0) && !(a11 == 1)) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a26 <= 0) && a26 == a11) && a27 == 1) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 <= 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a6 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 <= 0) && a6 <= 0) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a6 == 1) && a27 == 1) && !(a11 == 1))) || ((((a5 == 1 && a3 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == a11) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1)) || ((((a5 == 1 && a12 == 1) && a3 <= 1) && a6 == 1) && !(a11 == 1))) || (((a26 == 1 && a5 == 1) && a6 == 1) && a12 <= 0)) || ((((((a25 == a11 && a5 == 1) && a3 <= 1) && a12 == a11) && a26 <= 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a12 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 <= 0) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a5 == 1 && a3 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a10 <= 0) && a5 == 1) && a12 == 1) && a27 == 1) && a6 <= 0)) || (((a5 == 1 && a6 == 1) && a12 <= 0) && !(a11 == 1))) || (((((a5 == 1 && a12 == 1) && a3 <= 0) && a26 <= 0) && !(a11 == 1)) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a26 <= 0) && a26 == a11) && a27 == 1) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 <= 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a6 == 1) RESULT: Ultimate proved your program to be correct! [2022-11-18 18:27:04,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c250b925-03cd-4920-8be0-2f18c3285509/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE