./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R --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 8ff48638f08507efa79a38e2e8775c5b4b14feea4f002913b53cd095f4b7874d --- 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-38b53e6 [2022-11-25 17:46:29,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:46:29,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:46:29,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:46:29,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:46:29,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:46:29,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:46:29,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:46:29,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:46:29,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:46:29,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:46:29,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:46:29,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:46:29,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:46:29,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:46:29,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:46:29,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:46:29,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:46:29,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:46:29,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:46:29,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:46:29,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:46:29,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:46:29,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:46:29,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:46:29,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:46:29,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:46:29,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:46:29,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:46:29,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:46:29,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:46:29,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:46:29,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:46:29,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:46:29,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:46:29,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:46:29,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:46:29,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:46:29,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:46:29,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:46:29,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:46:29,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:46:29,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:46:29,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:46:29,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:46:29,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:46:29,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:46:29,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:46:29,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:46:29,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:46:29,787 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:46:29,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:46:29,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:46:29,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:46:29,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:46:29,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:46:29,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:46:29,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:46:29,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:46:29,811 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:46:29,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:46:29,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:46:29,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:46:29,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:46:29,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:46:29,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:46:29,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:46:29,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:46:29,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:46:29,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:46:29,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:46:29,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:46:29,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:46:29,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:46:29,815 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:46:29,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:46:29,816 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ff48638f08507efa79a38e2e8775c5b4b14feea4f002913b53cd095f4b7874d [2022-11-25 17:46:30,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:46:30,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:46:30,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:46:30,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:46:30,117 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:46:30,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/eca-rers2012/Problem11_label28.c [2022-11-25 17:46:33,077 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:46:33,404 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:46:33,405 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/sv-benchmarks/c/eca-rers2012/Problem11_label28.c [2022-11-25 17:46:33,430 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/data/c56fb8ac4/a6e9274163d746aa87803acecdb02339/FLAG2fc750da2 [2022-11-25 17:46:33,448 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/data/c56fb8ac4/a6e9274163d746aa87803acecdb02339 [2022-11-25 17:46:33,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:46:33,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:46:33,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:46:33,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:46:33,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:46:33,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:46:33" (1/1) ... [2022-11-25 17:46:33,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58199b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:33, skipping insertion in model container [2022-11-25 17:46:33,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:46:33" (1/1) ... [2022-11-25 17:46:33,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:46:33,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:46:33,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/sv-benchmarks/c/eca-rers2012/Problem11_label28.c[6999,7012] [2022-11-25 17:46:34,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:46:34,100 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:46:34,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/sv-benchmarks/c/eca-rers2012/Problem11_label28.c[6999,7012] [2022-11-25 17:46:34,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:46:34,261 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:46:34,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34 WrapperNode [2022-11-25 17:46:34,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:46:34,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:46:34,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:46:34,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:46:34,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,330 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,505 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-11-25 17:46:34,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:46:34,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:46:34,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:46:34,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:46:34,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,595 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:46:34,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:46:34,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:46:34,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:46:34,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (1/1) ... [2022-11-25 17:46:34,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:46:34,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:46:34,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:46:34,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:46:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:46:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:46:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:46:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:46:34,779 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:46:34,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:46:36,441 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:46:36,465 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:46:36,466 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:46:36,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:46:36 BoogieIcfgContainer [2022-11-25 17:46:36,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:46:36,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:46:36,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:46:36,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:46:36,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:46:33" (1/3) ... [2022-11-25 17:46:36,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2325bc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:46:36, skipping insertion in model container [2022-11-25 17:46:36,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:46:34" (2/3) ... [2022-11-25 17:46:36,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2325bc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:46:36, skipping insertion in model container [2022-11-25 17:46:36,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:46:36" (3/3) ... [2022-11-25 17:46:36,492 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label28.c [2022-11-25 17:46:36,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:46:36,514 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:46:36,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:46:36,601 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;@5b60bd14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:46:36,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:46:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-25 17:46:36,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:36,619 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] [2022-11-25 17:46:36,620 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:36,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2022-11-25 17:46:36,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:36,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039365833] [2022-11-25 17:46:36,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:36,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:37,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:37,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039365833] [2022-11-25 17:46:37,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039365833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:37,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:37,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:46:37,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875201293] [2022-11-25 17:46:37,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:37,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:37,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:37,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:37,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:37,116 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:38,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:38,487 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-11-25 17:46:38,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:38,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-11-25 17:46:38,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:38,510 INFO L225 Difference]: With dead ends: 776 [2022-11-25 17:46:38,510 INFO L226 Difference]: Without dead ends: 413 [2022-11-25 17:46:38,518 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 [2022-11-25 17:46:38,523 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 179 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:38,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 17:46:38,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-11-25 17:46:38,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-11-25 17:46:38,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-11-25 17:46:38,609 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 48 [2022-11-25 17:46:38,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:38,610 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-11-25 17:46:38,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-11-25 17:46:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-25 17:46:38,621 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:38,622 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:46:38,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:46:38,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:38,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:38,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2122398730, now seen corresponding path program 1 times [2022-11-25 17:46:38,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:38,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534241228] [2022-11-25 17:46:38,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:38,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:38,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:38,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534241228] [2022-11-25 17:46:38,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534241228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:38,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:38,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:46:38,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549090368] [2022-11-25 17:46:38,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:38,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:38,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:38,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:38,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:38,874 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:40,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:40,009 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-11-25 17:46:40,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:40,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-11-25 17:46:40,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:40,015 INFO L225 Difference]: With dead ends: 1209 [2022-11-25 17:46:40,015 INFO L226 Difference]: Without dead ends: 800 [2022-11-25 17:46:40,016 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 [2022-11-25 17:46:40,017 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:40,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 122 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 17:46:40,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-11-25 17:46:40,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-11-25 17:46:40,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2022-11-25 17:46:40,046 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 116 [2022-11-25 17:46:40,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:40,046 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2022-11-25 17:46:40,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2022-11-25 17:46:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-25 17:46:40,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:40,049 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:46:40,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:46:40,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:40,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:40,050 INFO L85 PathProgramCache]: Analyzing trace with hash 151352741, now seen corresponding path program 1 times [2022-11-25 17:46:40,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:40,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305928753] [2022-11-25 17:46:40,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:40,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:40,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:40,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305928753] [2022-11-25 17:46:40,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305928753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:40,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:40,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:46:40,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82132638] [2022-11-25 17:46:40,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:40,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:40,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:40,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:40,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:40,627 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:41,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:41,603 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2022-11-25 17:46:41,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:41,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-11-25 17:46:41,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:41,608 INFO L225 Difference]: With dead ends: 1942 [2022-11-25 17:46:41,609 INFO L226 Difference]: Without dead ends: 1157 [2022-11-25 17:46:41,610 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 [2022-11-25 17:46:41,611 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:41,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 17:46:41,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-11-25 17:46:41,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-11-25 17:46:41,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2022-11-25 17:46:41,642 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 118 [2022-11-25 17:46:41,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:41,643 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2022-11-25 17:46:41,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:41,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2022-11-25 17:46:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-25 17:46:41,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:41,645 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:46:41,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:46:41,646 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:41,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:41,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1565625650, now seen corresponding path program 1 times [2022-11-25 17:46:41,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:41,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152057566] [2022-11-25 17:46:41,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:41,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:41,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:41,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152057566] [2022-11-25 17:46:41,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152057566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:41,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:41,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:46:41,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745487591] [2022-11-25 17:46:41,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:41,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:41,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:41,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:41,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:41,873 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:42,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:42,814 INFO L93 Difference]: Finished difference Result 2691 states and 3513 transitions. [2022-11-25 17:46:42,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:42,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 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 160 [2022-11-25 17:46:42,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:42,821 INFO L225 Difference]: With dead ends: 2691 [2022-11-25 17:46:42,821 INFO L226 Difference]: Without dead ends: 1721 [2022-11-25 17:46:42,823 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 [2022-11-25 17:46:42,824 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 158 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:42,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 336 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 17:46:42,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2022-11-25 17:46:42,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2022-11-25 17:46:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.260641781270465) internal successors, (1925), 1527 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1925 transitions. [2022-11-25 17:46:42,857 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1925 transitions. Word has length 160 [2022-11-25 17:46:42,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:42,858 INFO L495 AbstractCegarLoop]: Abstraction has 1528 states and 1925 transitions. [2022-11-25 17:46:42,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:42,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1925 transitions. [2022-11-25 17:46:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2022-11-25 17:46:42,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:42,862 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2022-11-25 17:46:42,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:46:42,862 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:42,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1640701857, now seen corresponding path program 1 times [2022-11-25 17:46:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:42,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103953455] [2022-11-25 17:46:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:42,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:43,147 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-25 17:46:43,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:43,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103953455] [2022-11-25 17:46:43,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103953455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:43,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:43,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:46:43,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915571355] [2022-11-25 17:46:43,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:43,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:43,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:43,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:43,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:43,150 INFO L87 Difference]: Start difference. First operand 1528 states and 1925 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:44,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:44,207 INFO L93 Difference]: Finished difference Result 3613 states and 4595 transitions. [2022-11-25 17:46:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:44,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 230 [2022-11-25 17:46:44,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:44,215 INFO L225 Difference]: With dead ends: 3613 [2022-11-25 17:46:44,216 INFO L226 Difference]: Without dead ends: 2087 [2022-11-25 17:46:44,218 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 [2022-11-25 17:46:44,225 INFO L413 NwaCegarLoop]: 366 mSDtfsCounter, 149 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:44,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 387 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 17:46:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2022-11-25 17:46:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1896. [2022-11-25 17:46:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1896 states, 1895 states have (on average 1.2480211081794195) internal successors, (2365), 1895 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:44,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2365 transitions. [2022-11-25 17:46:44,266 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2365 transitions. Word has length 230 [2022-11-25 17:46:44,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:44,268 INFO L495 AbstractCegarLoop]: Abstraction has 1896 states and 2365 transitions. [2022-11-25 17:46:44,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2365 transitions. [2022-11-25 17:46:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-25 17:46:44,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:44,275 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 17:46:44,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:46:44,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:44,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:44,278 INFO L85 PathProgramCache]: Analyzing trace with hash 302674822, now seen corresponding path program 1 times [2022-11-25 17:46:44,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:44,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259885708] [2022-11-25 17:46:44,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:44,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-25 17:46:44,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:44,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259885708] [2022-11-25 17:46:44,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259885708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:44,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:44,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:46:44,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599697521] [2022-11-25 17:46:44,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:44,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:44,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:44,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:44,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:44,524 INFO L87 Difference]: Start difference. First operand 1896 states and 2365 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:45,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:45,486 INFO L93 Difference]: Finished difference Result 4894 states and 6199 transitions. [2022-11-25 17:46:45,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:45,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 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 241 [2022-11-25 17:46:45,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:45,496 INFO L225 Difference]: With dead ends: 4894 [2022-11-25 17:46:45,496 INFO L226 Difference]: Without dead ends: 3000 [2022-11-25 17:46:45,498 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 [2022-11-25 17:46:45,499 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:45,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 155 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 17:46:45,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2022-11-25 17:46:45,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 2816. [2022-11-25 17:46:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2816 states, 2815 states have (on average 1.205328596802842) internal successors, (3393), 2815 states have internal predecessors, (3393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2816 states and 3393 transitions. [2022-11-25 17:46:45,555 INFO L78 Accepts]: Start accepts. Automaton has 2816 states and 3393 transitions. Word has length 241 [2022-11-25 17:46:45,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:45,556 INFO L495 AbstractCegarLoop]: Abstraction has 2816 states and 3393 transitions. [2022-11-25 17:46:45,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3393 transitions. [2022-11-25 17:46:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-25 17:46:45,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:45,561 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 17:46:45,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:46:45,562 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:45,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:45,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1319455466, now seen corresponding path program 1 times [2022-11-25 17:46:45,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:45,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171252408] [2022-11-25 17:46:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:45,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:46,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:46,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171252408] [2022-11-25 17:46:46,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171252408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:46,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:46,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:46:46,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856335108] [2022-11-25 17:46:46,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:46,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:46,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:46,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:46,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:46,009 INFO L87 Difference]: Start difference. First operand 2816 states and 3393 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:47,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:47,035 INFO L93 Difference]: Finished difference Result 6931 states and 8403 transitions. [2022-11-25 17:46:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:47,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 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 257 [2022-11-25 17:46:47,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:47,048 INFO L225 Difference]: With dead ends: 6931 [2022-11-25 17:46:47,049 INFO L226 Difference]: Without dead ends: 4117 [2022-11-25 17:46:47,053 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 [2022-11-25 17:46:47,057 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 123 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:47,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 156 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 17:46:47,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4117 states. [2022-11-25 17:46:47,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4117 to 4113. [2022-11-25 17:46:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4113 states, 4112 states have (on average 1.1943093385214008) internal successors, (4911), 4112 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 4113 states and 4911 transitions. [2022-11-25 17:46:47,152 INFO L78 Accepts]: Start accepts. Automaton has 4113 states and 4911 transitions. Word has length 257 [2022-11-25 17:46:47,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:47,153 INFO L495 AbstractCegarLoop]: Abstraction has 4113 states and 4911 transitions. [2022-11-25 17:46:47,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 4911 transitions. [2022-11-25 17:46:47,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-25 17:46:47,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:47,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 17:46:47,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:46:47,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:47,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:47,160 INFO L85 PathProgramCache]: Analyzing trace with hash 886178797, now seen corresponding path program 1 times [2022-11-25 17:46:47,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:47,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127207885] [2022-11-25 17:46:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:47,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:47,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:47,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127207885] [2022-11-25 17:46:47,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127207885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:47,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:47,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:46:47,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539945086] [2022-11-25 17:46:47,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:47,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:46:47,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:47,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:46:47,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:46:47,690 INFO L87 Difference]: Start difference. First operand 4113 states and 4911 transitions. Second operand has 4 states, 4 states have (on average 65.75) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:49,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:49,399 INFO L93 Difference]: Finished difference Result 12101 states and 14579 transitions. [2022-11-25 17:46:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:46:49,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 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 263 [2022-11-25 17:46:49,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:49,426 INFO L225 Difference]: With dead ends: 12101 [2022-11-25 17:46:49,426 INFO L226 Difference]: Without dead ends: 7990 [2022-11-25 17:46:49,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:46:49,433 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 229 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:49,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 140 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-25 17:46:49,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7990 states. [2022-11-25 17:46:49,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7990 to 7985. [2022-11-25 17:46:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7985 states, 7984 states have (on average 1.18937875751503) internal successors, (9496), 7984 states have internal predecessors, (9496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7985 states to 7985 states and 9496 transitions. [2022-11-25 17:46:49,644 INFO L78 Accepts]: Start accepts. Automaton has 7985 states and 9496 transitions. Word has length 263 [2022-11-25 17:46:49,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:49,644 INFO L495 AbstractCegarLoop]: Abstraction has 7985 states and 9496 transitions. [2022-11-25 17:46:49,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.75) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:49,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7985 states and 9496 transitions. [2022-11-25 17:46:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-25 17:46:49,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:49,650 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:46:49,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:46:49,651 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:49,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:49,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1947751424, now seen corresponding path program 1 times [2022-11-25 17:46:49,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:49,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791781526] [2022-11-25 17:46:49,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 144 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:50,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:50,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791781526] [2022-11-25 17:46:50,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791781526] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:46:50,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200358602] [2022-11-25 17:46:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:50,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:46:50,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:46:50,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:46:50,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:46:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:51,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:46:51,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:46:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-25 17:46:51,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:46:51,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200358602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:51,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:46:51,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-25 17:46:51,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833757462] [2022-11-25 17:46:51,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:51,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:46:51,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:51,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:46:51,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:46:51,675 INFO L87 Difference]: Start difference. First operand 7985 states and 9496 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:53,187 INFO L93 Difference]: Finished difference Result 20956 states and 24756 transitions. [2022-11-25 17:46:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:46:53,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 266 [2022-11-25 17:46:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:53,227 INFO L225 Difference]: With dead ends: 20956 [2022-11-25 17:46:53,228 INFO L226 Difference]: Without dead ends: 13341 [2022-11-25 17:46:53,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:46:53,237 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 275 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:53,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 203 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 17:46:53,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13341 states. [2022-11-25 17:46:53,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13341 to 10753. [2022-11-25 17:46:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10753 states, 10752 states have (on average 1.177641369047619) internal successors, (12662), 10752 states have internal predecessors, (12662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10753 states to 10753 states and 12662 transitions. [2022-11-25 17:46:53,539 INFO L78 Accepts]: Start accepts. Automaton has 10753 states and 12662 transitions. Word has length 266 [2022-11-25 17:46:53,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:53,540 INFO L495 AbstractCegarLoop]: Abstraction has 10753 states and 12662 transitions. [2022-11-25 17:46:53,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 10753 states and 12662 transitions. [2022-11-25 17:46:53,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-25 17:46:53,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:53,552 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 17:46:53,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:46:53,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:46:53,759 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:53,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:53,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1546626242, now seen corresponding path program 1 times [2022-11-25 17:46:53,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:53,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742069140] [2022-11-25 17:46:53,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:53,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-11-25 17:46:54,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:54,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742069140] [2022-11-25 17:46:54,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742069140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:54,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:54,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:46:54,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913131619] [2022-11-25 17:46:54,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:54,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:54,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:54,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:54,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:54,012 INFO L87 Difference]: Start difference. First operand 10753 states and 12662 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:54,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:54,922 INFO L93 Difference]: Finished difference Result 21134 states and 24934 transitions. [2022-11-25 17:46:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:54,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2022-11-25 17:46:54,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:54,942 INFO L225 Difference]: With dead ends: 21134 [2022-11-25 17:46:54,942 INFO L226 Difference]: Without dead ends: 10751 [2022-11-25 17:46:54,952 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 [2022-11-25 17:46:54,953 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 187 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:54,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 304 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:46:54,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10751 states. [2022-11-25 17:46:55,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10751 to 10751. [2022-11-25 17:46:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10751 states, 10750 states have (on average 1.1469767441860466) internal successors, (12330), 10750 states have internal predecessors, (12330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10751 states to 10751 states and 12330 transitions. [2022-11-25 17:46:55,201 INFO L78 Accepts]: Start accepts. Automaton has 10751 states and 12330 transitions. Word has length 278 [2022-11-25 17:46:55,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:55,202 INFO L495 AbstractCegarLoop]: Abstraction has 10751 states and 12330 transitions. [2022-11-25 17:46:55,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:55,202 INFO L276 IsEmpty]: Start isEmpty. Operand 10751 states and 12330 transitions. [2022-11-25 17:46:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-25 17:46:55,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:55,209 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 17:46:55,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 17:46:55,209 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:55,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:55,210 INFO L85 PathProgramCache]: Analyzing trace with hash 627435673, now seen corresponding path program 1 times [2022-11-25 17:46:55,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:55,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191426349] [2022-11-25 17:46:55,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:55,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 91 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:55,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:55,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191426349] [2022-11-25 17:46:55,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191426349] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:46:55,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833418417] [2022-11-25 17:46:55,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:55,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:46:55,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:46:55,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:46:55,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:46:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:55,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:46:55,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:46:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:46:56,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:46:56,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833418417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:56,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:46:56,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-25 17:46:56,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290622841] [2022-11-25 17:46:56,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:56,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:56,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:56,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:56,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:46:56,362 INFO L87 Difference]: Start difference. First operand 10751 states and 12330 transitions. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:57,379 INFO L93 Difference]: Finished difference Result 22626 states and 26090 transitions. [2022-11-25 17:46:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:57,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 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 281 [2022-11-25 17:46:57,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:57,401 INFO L225 Difference]: With dead ends: 22626 [2022-11-25 17:46:57,401 INFO L226 Difference]: Without dead ends: 12245 [2022-11-25 17:46:57,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:46:57,411 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 99 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:57,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 326 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 17:46:57,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12245 states. [2022-11-25 17:46:57,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12245 to 12234. [2022-11-25 17:46:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12234 states, 12233 states have (on average 1.147224720019619) internal successors, (14034), 12233 states have internal predecessors, (14034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12234 states to 12234 states and 14034 transitions. [2022-11-25 17:46:57,622 INFO L78 Accepts]: Start accepts. Automaton has 12234 states and 14034 transitions. Word has length 281 [2022-11-25 17:46:57,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:57,623 INFO L495 AbstractCegarLoop]: Abstraction has 12234 states and 14034 transitions. [2022-11-25 17:46:57,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 12234 states and 14034 transitions. [2022-11-25 17:46:57,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-11-25 17:46:57,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:57,632 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 17:46:57,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:46:57,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 17:46:57,838 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:57,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:57,838 INFO L85 PathProgramCache]: Analyzing trace with hash 510288335, now seen corresponding path program 1 times [2022-11-25 17:46:57,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:57,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113944807] [2022-11-25 17:46:57,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:57,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:46:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-25 17:46:58,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:46:58,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113944807] [2022-11-25 17:46:58,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113944807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:46:58,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:46:58,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:46:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979380051] [2022-11-25 17:46:58,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:46:58,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:46:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:46:58,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:46:58,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:46:58,116 INFO L87 Difference]: Start difference. First operand 12234 states and 14034 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:59,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:46:59,256 INFO L93 Difference]: Finished difference Result 27225 states and 31313 transitions. [2022-11-25 17:46:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:46:59,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2022-11-25 17:46:59,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:46:59,314 INFO L225 Difference]: With dead ends: 27225 [2022-11-25 17:46:59,330 INFO L226 Difference]: Without dead ends: 15361 [2022-11-25 17:46:59,340 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 [2022-11-25 17:46:59,340 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 152 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:46:59,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 363 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 17:46:59,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15361 states. [2022-11-25 17:46:59,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15361 to 14257. [2022-11-25 17:46:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14257 states, 14256 states have (on average 1.137135241301908) internal successors, (16211), 14256 states have internal predecessors, (16211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14257 states to 14257 states and 16211 transitions. [2022-11-25 17:46:59,587 INFO L78 Accepts]: Start accepts. Automaton has 14257 states and 16211 transitions. Word has length 310 [2022-11-25 17:46:59,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:46:59,588 INFO L495 AbstractCegarLoop]: Abstraction has 14257 states and 16211 transitions. [2022-11-25 17:46:59,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:46:59,588 INFO L276 IsEmpty]: Start isEmpty. Operand 14257 states and 16211 transitions. [2022-11-25 17:46:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-11-25 17:46:59,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:46:59,602 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:46:59,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 17:46:59,602 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:46:59,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:46:59,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2040805826, now seen corresponding path program 1 times [2022-11-25 17:46:59,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:46:59,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708995127] [2022-11-25 17:46:59,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:46:59,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:46:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 242 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:47:00,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:00,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708995127] [2022-11-25 17:47:00,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708995127] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:00,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952269507] [2022-11-25 17:47:00,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:00,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:00,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:00,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:01,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:47:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:01,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:47:01,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-25 17:47:01,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:47:01,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952269507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:01,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:47:01,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-25 17:47:01,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198930016] [2022-11-25 17:47:01,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:01,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:01,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:01,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:01,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:47:01,503 INFO L87 Difference]: Start difference. First operand 14257 states and 16211 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:02,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:02,387 INFO L93 Difference]: Finished difference Result 29625 states and 33706 transitions. [2022-11-25 17:47:02,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:02,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 335 [2022-11-25 17:47:02,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:02,416 INFO L225 Difference]: With dead ends: 29625 [2022-11-25 17:47:02,416 INFO L226 Difference]: Without dead ends: 15554 [2022-11-25 17:47:02,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:47:02,428 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 84 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:02,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 369 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:47:02,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15554 states. [2022-11-25 17:47:02,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15554 to 15183. [2022-11-25 17:47:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15183 states, 15182 states have (on average 1.1325253589777369) internal successors, (17194), 15182 states have internal predecessors, (17194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15183 states to 15183 states and 17194 transitions. [2022-11-25 17:47:02,768 INFO L78 Accepts]: Start accepts. Automaton has 15183 states and 17194 transitions. Word has length 335 [2022-11-25 17:47:02,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:02,769 INFO L495 AbstractCegarLoop]: Abstraction has 15183 states and 17194 transitions. [2022-11-25 17:47:02,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:02,770 INFO L276 IsEmpty]: Start isEmpty. Operand 15183 states and 17194 transitions. [2022-11-25 17:47:02,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-11-25 17:47:02,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:02,785 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:02,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:02,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-25 17:47:02,991 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:02,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1448916129, now seen corresponding path program 1 times [2022-11-25 17:47:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:02,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007007963] [2022-11-25 17:47:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:02,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2022-11-25 17:47:03,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:03,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007007963] [2022-11-25 17:47:03,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007007963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:03,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:47:03,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:47:03,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310331444] [2022-11-25 17:47:03,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:03,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:03,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:03,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:03,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:47:03,436 INFO L87 Difference]: Start difference. First operand 15183 states and 17194 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:04,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:04,293 INFO L93 Difference]: Finished difference Result 17761 states and 20103 transitions. [2022-11-25 17:47:04,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:04,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 344 [2022-11-25 17:47:04,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:04,320 INFO L225 Difference]: With dead ends: 17761 [2022-11-25 17:47:04,320 INFO L226 Difference]: Without dead ends: 17759 [2022-11-25 17:47:04,325 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 [2022-11-25 17:47:04,325 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 171 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:04,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 150 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:47:04,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17759 states. [2022-11-25 17:47:04,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17759 to 16839. [2022-11-25 17:47:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16839 states, 16838 states have (on average 1.1343389951300629) internal successors, (19100), 16838 states have internal predecessors, (19100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16839 states to 16839 states and 19100 transitions. [2022-11-25 17:47:04,683 INFO L78 Accepts]: Start accepts. Automaton has 16839 states and 19100 transitions. Word has length 344 [2022-11-25 17:47:04,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:04,683 INFO L495 AbstractCegarLoop]: Abstraction has 16839 states and 19100 transitions. [2022-11-25 17:47:04,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:04,684 INFO L276 IsEmpty]: Start isEmpty. Operand 16839 states and 19100 transitions. [2022-11-25 17:47:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-11-25 17:47:04,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:04,694 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:04,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 17:47:04,695 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:04,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:04,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1133150815, now seen corresponding path program 1 times [2022-11-25 17:47:04,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:04,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565870414] [2022-11-25 17:47:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:04,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 252 proven. 51 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-25 17:47:05,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:05,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565870414] [2022-11-25 17:47:05,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565870414] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:05,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871536110] [2022-11-25 17:47:05,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:05,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:05,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:05,811 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:05,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:47:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:05,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:47:05,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-25 17:47:06,356 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:47:06,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871536110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:06,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:47:06,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-25 17:47:06,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220217580] [2022-11-25 17:47:06,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:06,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:06,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:06,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:06,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:06,359 INFO L87 Difference]: Start difference. First operand 16839 states and 19100 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:07,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:07,213 INFO L93 Difference]: Finished difference Result 33862 states and 38390 transitions. [2022-11-25 17:47:07,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:07,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 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 356 [2022-11-25 17:47:07,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:07,240 INFO L225 Difference]: With dead ends: 33862 [2022-11-25 17:47:07,240 INFO L226 Difference]: Without dead ends: 17025 [2022-11-25 17:47:07,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:07,250 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 91 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:07,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 169 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 17:47:07,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17025 states. [2022-11-25 17:47:07,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17025 to 15919. [2022-11-25 17:47:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15919 states, 15918 states have (on average 1.1276542279180801) internal successors, (17950), 15918 states have internal predecessors, (17950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15919 states to 15919 states and 17950 transitions. [2022-11-25 17:47:07,604 INFO L78 Accepts]: Start accepts. Automaton has 15919 states and 17950 transitions. Word has length 356 [2022-11-25 17:47:07,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:07,605 INFO L495 AbstractCegarLoop]: Abstraction has 15919 states and 17950 transitions. [2022-11-25 17:47:07,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 15919 states and 17950 transitions. [2022-11-25 17:47:07,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-11-25 17:47:07,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:07,616 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:07,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:07,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-25 17:47:07,822 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:07,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:07,822 INFO L85 PathProgramCache]: Analyzing trace with hash -84443467, now seen corresponding path program 1 times [2022-11-25 17:47:07,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:07,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665815728] [2022-11-25 17:47:07,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:07,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 281 proven. 58 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-25 17:47:09,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:09,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665815728] [2022-11-25 17:47:09,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665815728] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:09,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023125569] [2022-11-25 17:47:09,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:09,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:09,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:09,361 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:09,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:47:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:09,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 17:47:09,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:10,236 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-11-25 17:47:10,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:47:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-11-25 17:47:10,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023125569] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:47:10,916 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:47:10,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2022-11-25 17:47:10,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484665363] [2022-11-25 17:47:10,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:47:10,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:47:10,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:10,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:47:10,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:47:10,920 INFO L87 Difference]: Start difference. First operand 15919 states and 17950 transitions. Second operand has 9 states, 9 states have (on average 55.22222222222222) internal successors, (497), 8 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:16,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:16,726 INFO L93 Difference]: Finished difference Result 41604 states and 46968 transitions. [2022-11-25 17:47:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 17:47:16,727 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 55.22222222222222) internal successors, (497), 8 states have internal predecessors, (497), 0 states have call successors, (0), 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 373 [2022-11-25 17:47:16,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:16,760 INFO L225 Difference]: With dead ends: 41604 [2022-11-25 17:47:16,761 INFO L226 Difference]: Without dead ends: 25503 [2022-11-25 17:47:16,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 759 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-11-25 17:47:16,773 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 1690 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 5402 mSolverCounterSat, 625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 6027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 625 IncrementalHoareTripleChecker+Valid, 5402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:16,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 190 Invalid, 6027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [625 Valid, 5402 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-25 17:47:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25503 states. [2022-11-25 17:47:17,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25503 to 17382. [2022-11-25 17:47:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17382 states, 17381 states have (on average 1.122202404924918) internal successors, (19505), 17381 states have internal predecessors, (19505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:17,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17382 states to 17382 states and 19505 transitions. [2022-11-25 17:47:17,082 INFO L78 Accepts]: Start accepts. Automaton has 17382 states and 19505 transitions. Word has length 373 [2022-11-25 17:47:17,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:17,083 INFO L495 AbstractCegarLoop]: Abstraction has 17382 states and 19505 transitions. [2022-11-25 17:47:17,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 55.22222222222222) internal successors, (497), 8 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 17382 states and 19505 transitions. [2022-11-25 17:47:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-25 17:47:17,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:17,095 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:17,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:17,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:17,302 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:17,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:17,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1292080885, now seen corresponding path program 1 times [2022-11-25 17:47:17,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:17,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902697080] [2022-11-25 17:47:17,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:17,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 137 proven. 211 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-25 17:47:17,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:17,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902697080] [2022-11-25 17:47:17,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902697080] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:17,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215962082] [2022-11-25 17:47:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:17,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:17,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:17,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:17,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 17:47:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:18,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:47:18,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-25 17:47:18,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:47:18,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215962082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:18,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:47:18,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-25 17:47:18,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452228879] [2022-11-25 17:47:18,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:18,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:18,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:18,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:18,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:18,506 INFO L87 Difference]: Start difference. First operand 17382 states and 19505 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:19,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:19,352 INFO L93 Difference]: Finished difference Result 38475 states and 43323 transitions. [2022-11-25 17:47:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:19,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 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 393 [2022-11-25 17:47:19,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:19,372 INFO L225 Difference]: With dead ends: 38475 [2022-11-25 17:47:19,373 INFO L226 Difference]: Without dead ends: 21463 [2022-11-25 17:47:19,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:19,384 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 105 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:19,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 301 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 17:47:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21463 states. [2022-11-25 17:47:19,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21463 to 20718. [2022-11-25 17:47:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20718 states, 20717 states have (on average 1.1254525269102669) internal successors, (23316), 20717 states have internal predecessors, (23316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20718 states to 20718 states and 23316 transitions. [2022-11-25 17:47:19,695 INFO L78 Accepts]: Start accepts. Automaton has 20718 states and 23316 transitions. Word has length 393 [2022-11-25 17:47:19,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:19,696 INFO L495 AbstractCegarLoop]: Abstraction has 20718 states and 23316 transitions. [2022-11-25 17:47:19,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand 20718 states and 23316 transitions. [2022-11-25 17:47:19,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-11-25 17:47:19,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:19,713 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:19,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-25 17:47:19,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-25 17:47:19,920 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:19,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:19,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1802628130, now seen corresponding path program 1 times [2022-11-25 17:47:19,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:19,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563454334] [2022-11-25 17:47:19,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:19,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 137 proven. 229 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-25 17:47:20,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:20,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563454334] [2022-11-25 17:47:20,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563454334] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:20,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52136468] [2022-11-25 17:47:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:20,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:20,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:20,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:20,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 17:47:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:20,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-25 17:47:20,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 242 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:47:22,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:47:26,287 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 242 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:47:26,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52136468] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:47:26,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:47:26,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2022-11-25 17:47:26,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193132018] [2022-11-25 17:47:26,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:47:26,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:47:26,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:26,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:47:26,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:47:26,293 INFO L87 Difference]: Start difference. First operand 20718 states and 23316 transitions. Second operand has 12 states, 12 states have (on average 80.5) internal successors, (966), 11 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:34,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:34,600 INFO L93 Difference]: Finished difference Result 53685 states and 60215 transitions. [2022-11-25 17:47:34,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-25 17:47:34,601 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 80.5) internal successors, (966), 11 states have internal predecessors, (966), 0 states have call successors, (0), 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 415 [2022-11-25 17:47:34,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:34,627 INFO L225 Difference]: With dead ends: 53685 [2022-11-25 17:47:34,627 INFO L226 Difference]: Without dead ends: 33153 [2022-11-25 17:47:34,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 858 GetRequests, 822 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=395, Invalid=1011, Unknown=0, NotChecked=0, Total=1406 [2022-11-25 17:47:34,641 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 4254 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5916 mSolverCounterSat, 1572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4254 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 7488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1572 IncrementalHoareTripleChecker+Valid, 5916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:34,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4254 Valid, 164 Invalid, 7488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1572 Valid, 5916 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-25 17:47:34,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33153 states. [2022-11-25 17:47:34,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33153 to 19228. [2022-11-25 17:47:34,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19228 states, 19227 states have (on average 1.0961668487023457) internal successors, (21076), 19227 states have internal predecessors, (21076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19228 states to 19228 states and 21076 transitions. [2022-11-25 17:47:35,012 INFO L78 Accepts]: Start accepts. Automaton has 19228 states and 21076 transitions. Word has length 415 [2022-11-25 17:47:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:35,013 INFO L495 AbstractCegarLoop]: Abstraction has 19228 states and 21076 transitions. [2022-11-25 17:47:35,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 80.5) internal successors, (966), 11 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 19228 states and 21076 transitions. [2022-11-25 17:47:35,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-11-25 17:47:35,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:35,041 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:35,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:35,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-25 17:47:35,252 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:35,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:35,253 INFO L85 PathProgramCache]: Analyzing trace with hash -580259533, now seen corresponding path program 1 times [2022-11-25 17:47:35,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:35,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062539444] [2022-11-25 17:47:35,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:35,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 229 proven. 516 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2022-11-25 17:47:36,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:36,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062539444] [2022-11-25 17:47:36,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062539444] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:36,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408972871] [2022-11-25 17:47:36,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:36,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:36,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:36,063 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:36,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 17:47:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:36,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:47:36,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 797 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2022-11-25 17:47:36,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:47:36,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408972871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:36,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:47:36,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-25 17:47:36,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642247365] [2022-11-25 17:47:36,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:36,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:36,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:36,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:36,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:36,456 INFO L87 Difference]: Start difference. First operand 19228 states and 21076 transitions. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:37,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:37,398 INFO L93 Difference]: Finished difference Result 42697 states and 46682 transitions. [2022-11-25 17:47:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:37,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 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 552 [2022-11-25 17:47:37,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:37,419 INFO L225 Difference]: With dead ends: 42697 [2022-11-25 17:47:37,420 INFO L226 Difference]: Without dead ends: 23839 [2022-11-25 17:47:37,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:37,428 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 106 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:37,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 332 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:47:37,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23839 states. [2022-11-25 17:47:37,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23839 to 19786. [2022-11-25 17:47:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19786 states, 19785 states have (on average 1.09315137730604) internal successors, (21628), 19785 states have internal predecessors, (21628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19786 states to 19786 states and 21628 transitions. [2022-11-25 17:47:37,676 INFO L78 Accepts]: Start accepts. Automaton has 19786 states and 21628 transitions. Word has length 552 [2022-11-25 17:47:37,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:37,676 INFO L495 AbstractCegarLoop]: Abstraction has 19786 states and 21628 transitions. [2022-11-25 17:47:37,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:37,677 INFO L276 IsEmpty]: Start isEmpty. Operand 19786 states and 21628 transitions. [2022-11-25 17:47:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2022-11-25 17:47:37,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:37,697 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:37,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:37,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:37,903 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:37,903 INFO L85 PathProgramCache]: Analyzing trace with hash 762866496, now seen corresponding path program 1 times [2022-11-25 17:47:37,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:37,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892626774] [2022-11-25 17:47:37,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:37,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 183 proven. 406 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 17:47:38,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:38,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892626774] [2022-11-25 17:47:38,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892626774] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:38,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968336125] [2022-11-25 17:47:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:38,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:38,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:38,621 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:38,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 17:47:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:38,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 17:47:38,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 235 proven. 452 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-25 17:47:39,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:47:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 183 proven. 406 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-25 17:47:42,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968336125] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:47:42,008 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:47:42,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 9 [2022-11-25 17:47:42,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507562639] [2022-11-25 17:47:42,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:47:42,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 17:47:42,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:42,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 17:47:42,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:47:42,012 INFO L87 Difference]: Start difference. First operand 19786 states and 21628 transitions. Second operand has 10 states, 10 states have (on average 80.0) internal successors, (800), 9 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:45,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:45,849 INFO L93 Difference]: Finished difference Result 57291 states and 62411 transitions. [2022-11-25 17:47:45,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:47:45,849 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 80.0) internal successors, (800), 9 states have internal predecessors, (800), 0 states have call successors, (0), 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 570 [2022-11-25 17:47:45,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:45,880 INFO L225 Difference]: With dead ends: 57291 [2022-11-25 17:47:45,880 INFO L226 Difference]: Without dead ends: 37875 [2022-11-25 17:47:45,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1142 GetRequests, 1134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:47:45,892 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1065 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 3371 mSolverCounterSat, 594 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 3965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 594 IncrementalHoareTripleChecker+Valid, 3371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:45,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 130 Invalid, 3965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [594 Valid, 3371 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-25 17:47:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37875 states. [2022-11-25 17:47:46,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37875 to 24040. [2022-11-25 17:47:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24040 states, 24039 states have (on average 1.0914763509297392) internal successors, (26238), 24039 states have internal predecessors, (26238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:46,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24040 states to 24040 states and 26238 transitions. [2022-11-25 17:47:46,315 INFO L78 Accepts]: Start accepts. Automaton has 24040 states and 26238 transitions. Word has length 570 [2022-11-25 17:47:46,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:46,315 INFO L495 AbstractCegarLoop]: Abstraction has 24040 states and 26238 transitions. [2022-11-25 17:47:46,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 80.0) internal successors, (800), 9 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 24040 states and 26238 transitions. [2022-11-25 17:47:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2022-11-25 17:47:46,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:46,334 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:46,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:46,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:46,540 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:46,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:46,541 INFO L85 PathProgramCache]: Analyzing trace with hash 745598085, now seen corresponding path program 1 times [2022-11-25 17:47:46,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:46,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279196198] [2022-11-25 17:47:46,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:46,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:47,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 896 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-11-25 17:47:47,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:47,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279196198] [2022-11-25 17:47:47,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279196198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:47,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:47:47,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:47:47,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504034943] [2022-11-25 17:47:47,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:47,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:47:47,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:47,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:47:47,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:47:47,227 INFO L87 Difference]: Start difference. First operand 24040 states and 26238 transitions. Second operand has 4 states, 4 states have (on average 91.0) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:48,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:48,665 INFO L93 Difference]: Finished difference Result 57497 states and 62652 transitions. [2022-11-25 17:47:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:47:48,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 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 584 [2022-11-25 17:47:48,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:48,698 INFO L225 Difference]: With dead ends: 57497 [2022-11-25 17:47:48,698 INFO L226 Difference]: Without dead ends: 33273 [2022-11-25 17:47:48,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:47:48,710 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 220 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:48,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 56 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 17:47:48,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33273 states. [2022-11-25 17:47:49,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33273 to 26980. [2022-11-25 17:47:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26980 states, 26979 states have (on average 1.0895881982282516) internal successors, (29396), 26979 states have internal predecessors, (29396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26980 states to 26980 states and 29396 transitions. [2022-11-25 17:47:49,135 INFO L78 Accepts]: Start accepts. Automaton has 26980 states and 29396 transitions. Word has length 584 [2022-11-25 17:47:49,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:49,136 INFO L495 AbstractCegarLoop]: Abstraction has 26980 states and 29396 transitions. [2022-11-25 17:47:49,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 26980 states and 29396 transitions. [2022-11-25 17:47:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2022-11-25 17:47:49,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:49,158 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-25 17:47:49,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 17:47:49,159 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:49,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:49,159 INFO L85 PathProgramCache]: Analyzing trace with hash 270747069, now seen corresponding path program 1 times [2022-11-25 17:47:49,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:49,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149393558] [2022-11-25 17:47:49,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:49,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 873 proven. 172 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-25 17:47:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:50,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149393558] [2022-11-25 17:47:50,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149393558] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:50,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646132972] [2022-11-25 17:47:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:50,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:50,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:50,311 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:50,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 17:47:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:50,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:47:50,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 953 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-25 17:47:50,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:47:50,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646132972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:50,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:47:50,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-25 17:47:50,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877523857] [2022-11-25 17:47:50,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:50,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:50,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:50,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:50,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:47:50,759 INFO L87 Difference]: Start difference. First operand 26980 states and 29396 transitions. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:51,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:51,766 INFO L93 Difference]: Finished difference Result 53781 states and 58607 transitions. [2022-11-25 17:47:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:51,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 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 610 [2022-11-25 17:47:51,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:51,798 INFO L225 Difference]: With dead ends: 53781 [2022-11-25 17:47:51,798 INFO L226 Difference]: Without dead ends: 26987 [2022-11-25 17:47:51,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:47:51,812 INFO L413 NwaCegarLoop]: 311 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:51,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 328 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 17:47:51,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26987 states. [2022-11-25 17:47:52,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26987 to 25876. [2022-11-25 17:47:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25876 states, 25875 states have (on average 1.0781449275362318) internal successors, (27897), 25875 states have internal predecessors, (27897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25876 states to 25876 states and 27897 transitions. [2022-11-25 17:47:52,106 INFO L78 Accepts]: Start accepts. Automaton has 25876 states and 27897 transitions. Word has length 610 [2022-11-25 17:47:52,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:52,107 INFO L495 AbstractCegarLoop]: Abstraction has 25876 states and 27897 transitions. [2022-11-25 17:47:52,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 25876 states and 27897 transitions. [2022-11-25 17:47:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-11-25 17:47:52,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:52,132 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:52,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:52,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-25 17:47:52,339 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:52,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:52,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1983796039, now seen corresponding path program 1 times [2022-11-25 17:47:52,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:52,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859397893] [2022-11-25 17:47:52,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:52,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 844 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2022-11-25 17:47:52,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:52,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859397893] [2022-11-25 17:47:52,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859397893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:52,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:47:52,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:47:52,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61341435] [2022-11-25 17:47:52,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:52,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:52,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:52,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:52,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:47:52,939 INFO L87 Difference]: Start difference. First operand 25876 states and 27897 transitions. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:54,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:54,033 INFO L93 Difference]: Finished difference Result 54156 states and 58357 transitions. [2022-11-25 17:47:54,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:54,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 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 626 [2022-11-25 17:47:54,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:54,056 INFO L225 Difference]: With dead ends: 54156 [2022-11-25 17:47:54,056 INFO L226 Difference]: Without dead ends: 29938 [2022-11-25 17:47:54,068 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 [2022-11-25 17:47:54,068 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 100 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:54,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 89 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:47:54,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29938 states. [2022-11-25 17:47:54,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29938 to 25120. [2022-11-25 17:47:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25120 states, 25119 states have (on average 1.074366017755484) internal successors, (26987), 25119 states have internal predecessors, (26987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25120 states to 25120 states and 26987 transitions. [2022-11-25 17:47:54,466 INFO L78 Accepts]: Start accepts. Automaton has 25120 states and 26987 transitions. Word has length 626 [2022-11-25 17:47:54,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:54,467 INFO L495 AbstractCegarLoop]: Abstraction has 25120 states and 26987 transitions. [2022-11-25 17:47:54,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 25120 states and 26987 transitions. [2022-11-25 17:47:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2022-11-25 17:47:54,483 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:54,483 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:54,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-25 17:47:54,484 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:54,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:54,484 INFO L85 PathProgramCache]: Analyzing trace with hash -44744147, now seen corresponding path program 1 times [2022-11-25 17:47:54,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:54,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753470074] [2022-11-25 17:47:54,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:54,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 1274 proven. 64 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-25 17:47:55,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:55,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753470074] [2022-11-25 17:47:55,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753470074] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:55,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230324784] [2022-11-25 17:47:55,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:55,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:55,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:55,399 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:55,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-25 17:47:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:55,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:47:55,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 1111 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2022-11-25 17:47:55,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:47:55,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230324784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:55,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:47:55,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-25 17:47:55,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288193979] [2022-11-25 17:47:55,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:55,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:55,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:55,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:55,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:55,891 INFO L87 Difference]: Start difference. First operand 25120 states and 26987 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:56,856 INFO L93 Difference]: Finished difference Result 50986 states and 54787 transitions. [2022-11-25 17:47:56,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:56,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 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 759 [2022-11-25 17:47:56,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:56,879 INFO L225 Difference]: With dead ends: 50986 [2022-11-25 17:47:56,879 INFO L226 Difference]: Without dead ends: 27524 [2022-11-25 17:47:56,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 758 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:56,891 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:56,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 72 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 17:47:56,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27524 states. [2022-11-25 17:47:57,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27524 to 25120. [2022-11-25 17:47:57,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25120 states, 25119 states have (on average 1.074366017755484) internal successors, (26987), 25119 states have internal predecessors, (26987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25120 states to 25120 states and 26987 transitions. [2022-11-25 17:47:57,268 INFO L78 Accepts]: Start accepts. Automaton has 25120 states and 26987 transitions. Word has length 759 [2022-11-25 17:47:57,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:47:57,268 INFO L495 AbstractCegarLoop]: Abstraction has 25120 states and 26987 transitions. [2022-11-25 17:47:57,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 25120 states and 26987 transitions. [2022-11-25 17:47:57,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2022-11-25 17:47:57,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:57,284 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:57,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-25 17:47:57,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-25 17:47:57,485 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:47:57,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:57,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1592903774, now seen corresponding path program 1 times [2022-11-25 17:47:57,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:57,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403969382] [2022-11-25 17:47:57,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:57,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1273 proven. 64 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-25 17:47:58,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:47:58,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403969382] [2022-11-25 17:47:58,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403969382] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:47:58,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85755735] [2022-11-25 17:47:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:58,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:47:58,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:58,288 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:47:58,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 17:47:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:47:58,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:47:58,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:47:58,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1337 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-25 17:47:58,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:47:58,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85755735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:47:58,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:47:58,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-25 17:47:58,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535616275] [2022-11-25 17:47:58,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:47:58,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:47:58,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:47:58,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:47:58,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:58,761 INFO L87 Difference]: Start difference. First operand 25120 states and 26987 transitions. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:47:59,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:47:59,859 INFO L93 Difference]: Finished difference Result 49512 states and 53168 transitions. [2022-11-25 17:47:59,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:47:59,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 760 [2022-11-25 17:47:59,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:47:59,881 INFO L225 Difference]: With dead ends: 49512 [2022-11-25 17:47:59,881 INFO L226 Difference]: Without dead ends: 26050 [2022-11-25 17:47:59,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 759 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:47:59,890 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 77 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:47:59,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 336 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 17:47:59,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26050 states. [2022-11-25 17:48:00,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26050 to 23090. [2022-11-25 17:48:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23090 states, 23089 states have (on average 1.0738879986140586) internal successors, (24795), 23089 states have internal predecessors, (24795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:48:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23090 states to 23090 states and 24795 transitions. [2022-11-25 17:48:00,313 INFO L78 Accepts]: Start accepts. Automaton has 23090 states and 24795 transitions. Word has length 760 [2022-11-25 17:48:00,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:48:00,314 INFO L495 AbstractCegarLoop]: Abstraction has 23090 states and 24795 transitions. [2022-11-25 17:48:00,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:48:00,314 INFO L276 IsEmpty]: Start isEmpty. Operand 23090 states and 24795 transitions. [2022-11-25 17:48:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 786 [2022-11-25 17:48:00,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:48:00,337 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 17:48:00,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-25 17:48:00,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:48:00,538 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:48:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:48:00,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1793022811, now seen corresponding path program 1 times [2022-11-25 17:48:00,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:48:00,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278467001] [2022-11-25 17:48:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:48:00,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:48:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:48:01,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2134 backedges. 1427 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2022-11-25 17:48:01,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:48:01,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278467001] [2022-11-25 17:48:01,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278467001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:48:01,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:48:01,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:48:01,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7393542] [2022-11-25 17:48:01,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:48:01,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:48:01,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:48:01,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:48:01,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:48:01,329 INFO L87 Difference]: Start difference. First operand 23090 states and 24795 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:48:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:48:02,321 INFO L93 Difference]: Finished difference Result 46367 states and 49690 transitions. [2022-11-25 17:48:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:48:02,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 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 785 [2022-11-25 17:48:02,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:48:02,342 INFO L225 Difference]: With dead ends: 46367 [2022-11-25 17:48:02,343 INFO L226 Difference]: Without dead ends: 24935 [2022-11-25 17:48:02,351 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 [2022-11-25 17:48:02,352 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 148 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:48:02,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 63 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 17:48:02,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24935 states. [2022-11-25 17:48:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24935 to 21616. [2022-11-25 17:48:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21616 states, 21615 states have (on average 1.071293083506824) internal successors, (23156), 21615 states have internal predecessors, (23156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:48:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21616 states to 21616 states and 23156 transitions. [2022-11-25 17:48:02,616 INFO L78 Accepts]: Start accepts. Automaton has 21616 states and 23156 transitions. Word has length 785 [2022-11-25 17:48:02,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:48:02,616 INFO L495 AbstractCegarLoop]: Abstraction has 21616 states and 23156 transitions. [2022-11-25 17:48:02,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:48:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 21616 states and 23156 transitions. [2022-11-25 17:48:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2022-11-25 17:48:02,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:48:02,637 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-25 17:48:02,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 17:48:02,638 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:48:02,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:48:02,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1760541586, now seen corresponding path program 1 times [2022-11-25 17:48:02,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:48:02,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474507881] [2022-11-25 17:48:02,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:48:02,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:48:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:48:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 1250 proven. 96 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2022-11-25 17:48:03,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:48:03,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474507881] [2022-11-25 17:48:03,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474507881] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:48:03,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889764377] [2022-11-25 17:48:03,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:48:03,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:48:03,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:48:03,395 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:48:03,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-25 17:48:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:48:03,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 17:48:03,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:48:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 1250 proven. 96 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2022-11-25 17:48:04,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:48:05,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 1250 proven. 96 refuted. 0 times theorem prover too weak. 963 trivial. 0 not checked. [2022-11-25 17:48:05,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889764377] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:48:05,017 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:48:05,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-11-25 17:48:05,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744378783] [2022-11-25 17:48:05,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:48:05,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-25 17:48:05,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:48:05,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 17:48:05,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:48:05,020 INFO L87 Difference]: Start difference. First operand 21616 states and 23156 transitions. Second operand has 9 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:48:07,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:48:07,742 INFO L93 Difference]: Finished difference Result 48401 states and 51758 transitions. [2022-11-25 17:48:07,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:48:07,742 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 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 823 [2022-11-25 17:48:07,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:48:07,743 INFO L225 Difference]: With dead ends: 48401 [2022-11-25 17:48:07,743 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:48:07,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1649 GetRequests, 1641 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:48:07,755 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1086 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2042 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 2042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:48:07,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1086 Valid, 89 Invalid, 2266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 2042 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-25 17:48:07,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:48:07,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:48:07,756 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) [2022-11-25 17:48:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:48:07,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 823 [2022-11-25 17:48:07,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:48:07,757 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:48:07,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 77.77777777777777) internal successors, (700), 9 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:48:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:48:07,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:48:07,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:48:07,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-11-25 17:48:07,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-11-25 17:48:07,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:49:45,005 WARN L233 SmtUtils]: Spent 1.62m on a formula simplification. DAG size of input: 1090 DAG size of output: 1075 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 17:51:14,020 WARN L233 SmtUtils]: Spent 1.48m on a formula simplification. DAG size of input: 1090 DAG size of output: 1075 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-25 17:51:26,909 WARN L233 SmtUtils]: Spent 12.88s on a formula simplification. DAG size of input: 1075 DAG size of output: 169 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-25 17:51:39,591 WARN L233 SmtUtils]: Spent 12.67s on a formula simplification. DAG size of input: 1075 DAG size of output: 169 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-25 17:51:39,596 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-11-25 17:51:39,596 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,596 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-11-25 17:51:39,597 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,597 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,597 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,597 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,597 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,597 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,597 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-11-25 17:51:39,597 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-11-25 17:51:39,598 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-25 17:51:39,598 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,598 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,598 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,598 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,598 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,598 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,599 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,599 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,599 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,599 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,599 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-11-25 17:51:39,599 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-11-25 17:51:39,599 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-25 17:51:39,600 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,600 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-11-25 17:51:39,600 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-11-25 17:51:39,600 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,600 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,600 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,600 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,601 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,601 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,601 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-25 17:51:39,601 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-11-25 17:51:39,601 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-25 17:51:39,601 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,601 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,601 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,602 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse13 (+ ~a23~0 43)) (.cse7 (= ~a4~0 1))) (let ((.cse28 (<= 0 (+ ~a23~0 599772))) (.cse15 (= ~a25~0 11)) (.cse22 (<= 130 ~a29~0)) (.cse8 (<= ~a29~0 130)) (.cse6 (= ~a25~0 12)) (.cse16 (not .cse7)) (.cse11 (<= 247 ~a29~0)) (.cse19 (<= .cse13 0)) (.cse12 (<= ~a25~0 10)) (.cse3 (= ~a3~0 1)) (.cse5 (= ~a8~0 15))) (let ((.cse1 (or (and .cse19 .cse6 .cse3 .cse16 .cse5 .cse11) (and .cse19 .cse12 (<= 10250 ~a29~0) .cse3 .cse5))) (.cse21 (<= 0 (+ ~a23~0 577842))) (.cse20 (< 140 ~a29~0)) (.cse0 (<= ~a29~0 274)) (.cse2 (= ~a25~0 13)) (.cse14 (<= ~a4~0 0)) (.cse27 (or (and .cse12 .cse8) (and .cse6 .cse8))) (.cse23 (not (<= ~a23~0 138))) (.cse25 (< 0 (+ 1254740 ~a23~0))) (.cse18 (<= ~a25~0 9)) (.cse9 (let ((.cse32 (or (not (< 306 ~a23~0)) .cse16 (not (< 277 ~a29~0))))) (or (and .cse6 .cse28 .cse32 .cse3 .cse7 .cse5 .cse22) (and .cse32 .cse15 .cse3 .cse7 .cse5 .cse22)))) (.cse10 (<= (+ 119992 ~a23~0) 0)) (.cse17 (< 0 (+ 2189019 (* 5 ~a23~0)))) (.cse24 (<= 312 ~a23~0)) (.cse31 (<= ~a29~0 220)) (.cse4 (<= ~a23~0 312)) (.cse26 (<= 0 (+ ~a23~0 42))) (.cse30 (< 138 ~a23~0))) (or (and .cse0 .cse1) (and .cse2 (<= 306 ~a23~0) .cse3 .cse4 .cse5) (and .cse6 (<= 437900 ~a23~0) .cse3 .cse7 .cse5 .cse8) (and .cse9 .cse10 .cse11) (and .cse12 .cse3 .cse7 .cse5) (and .cse6 (< 0 .cse13) .cse0 .cse3 .cse5 .cse14) (and .cse15 .cse0 .cse3 .cse16 .cse4 .cse5 .cse11 .cse17) (and .cse18 .cse1) (and .cse19 .cse6 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse20) .cse21 .cse3 .cse16 .cse5) (and .cse2 .cse19 .cse3 .cse7 .cse5 .cse22) (and .cse2 .cse23 (<= ~a23~0 262) .cse3 .cse5) (and (<= 260 ~a29~0) .cse21 .cse15 .cse3 .cse10 .cse5) (and .cse2 .cse23 .cse0 .cse3 .cse7 .cse5 .cse22) (and .cse19 .cse12 .cse7 .cse22) (and .cse2 .cse3 .cse7 .cse24 .cse5) (and .cse19 .cse6 .cse20 .cse0 .cse3 .cse16 .cse25 .cse5) (and .cse2 .cse3 .cse16 .cse4 .cse5 .cse26) (and .cse3 .cse27 .cse4 .cse5 .cse26) (and (<= ~a29~0 275) .cse6 .cse3 .cse5 .cse11 .cse14) (and .cse27 .cse7 .cse18) (and .cse19 .cse28 .cse3 .cse27 .cse7 .cse5) (let ((.cse29 (div ~a23~0 5))) (and .cse19 (< 0 (+ .cse29 553331)) .cse15 .cse3 .cse16 .cse5 (or (not (= (mod ~a23~0 5) 0)) (< 0 (+ .cse29 553330))) .cse8)) (and (<= 10 ~a25~0) .cse12 .cse3 .cse25 .cse5 .cse14 .cse8) (and .cse19 .cse12 .cse27 .cse7) (and .cse30 .cse15 .cse3 .cse7 .cse4 .cse5) (and .cse9 .cse23) (and .cse19 .cse3 .cse25 .cse18 .cse5 .cse8) (and .cse6 .cse3 .cse16 .cse4 .cse5 .cse26) (and .cse9 .cse11 .cse26) (and .cse15 .cse3 .cse31 .cse10 .cse16 .cse5 .cse17) (and .cse15 .cse3 .cse7 .cse24 .cse5 .cse22) (and .cse12 .cse3 .cse31 .cse4 .cse5 .cse26 (or .cse30 (<= ~a29~0 140))))))) [2022-11-25 17:51:39,602 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,602 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-11-25 17:51:39,602 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-11-25 17:51:39,602 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-25 17:51:39,603 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,604 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-11-25 17:51:39,605 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse13 (+ ~a23~0 43)) (.cse7 (= ~a4~0 1))) (let ((.cse28 (<= 0 (+ ~a23~0 599772))) (.cse15 (= ~a25~0 11)) (.cse22 (<= 130 ~a29~0)) (.cse8 (<= ~a29~0 130)) (.cse6 (= ~a25~0 12)) (.cse16 (not .cse7)) (.cse11 (<= 247 ~a29~0)) (.cse19 (<= .cse13 0)) (.cse12 (<= ~a25~0 10)) (.cse3 (= ~a3~0 1)) (.cse5 (= ~a8~0 15))) (let ((.cse1 (or (and .cse19 .cse6 .cse3 .cse16 .cse5 .cse11) (and .cse19 .cse12 (<= 10250 ~a29~0) .cse3 .cse5))) (.cse21 (<= 0 (+ ~a23~0 577842))) (.cse20 (< 140 ~a29~0)) (.cse0 (<= ~a29~0 274)) (.cse2 (= ~a25~0 13)) (.cse14 (<= ~a4~0 0)) (.cse27 (or (and .cse12 .cse8) (and .cse6 .cse8))) (.cse23 (not (<= ~a23~0 138))) (.cse25 (< 0 (+ 1254740 ~a23~0))) (.cse18 (<= ~a25~0 9)) (.cse9 (let ((.cse32 (or (not (< 306 ~a23~0)) .cse16 (not (< 277 ~a29~0))))) (or (and .cse6 .cse28 .cse32 .cse3 .cse7 .cse5 .cse22) (and .cse32 .cse15 .cse3 .cse7 .cse5 .cse22)))) (.cse10 (<= (+ 119992 ~a23~0) 0)) (.cse17 (< 0 (+ 2189019 (* 5 ~a23~0)))) (.cse24 (<= 312 ~a23~0)) (.cse31 (<= ~a29~0 220)) (.cse4 (<= ~a23~0 312)) (.cse26 (<= 0 (+ ~a23~0 42))) (.cse30 (< 138 ~a23~0))) (or (and .cse0 .cse1) (and .cse2 (<= 306 ~a23~0) .cse3 .cse4 .cse5) (and .cse6 (<= 437900 ~a23~0) .cse3 .cse7 .cse5 .cse8) (and .cse9 .cse10 .cse11) (and .cse12 .cse3 .cse7 .cse5) (and .cse6 (< 0 .cse13) .cse0 .cse3 .cse5 .cse14) (and .cse15 .cse0 .cse3 .cse16 .cse4 .cse5 .cse11 .cse17) (and .cse18 .cse1) (and .cse19 .cse6 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 3)) .cse20) .cse21 .cse3 .cse16 .cse5) (and .cse2 .cse19 .cse3 .cse7 .cse5 .cse22) (and .cse2 .cse23 (<= ~a23~0 262) .cse3 .cse5) (and (<= 260 ~a29~0) .cse21 .cse15 .cse3 .cse10 .cse5) (and .cse2 .cse23 .cse0 .cse3 .cse7 .cse5 .cse22) (and .cse19 .cse12 .cse7 .cse22) (and .cse2 .cse3 .cse7 .cse24 .cse5) (and .cse19 .cse6 .cse20 .cse0 .cse3 .cse16 .cse25 .cse5) (and .cse2 .cse3 .cse16 .cse4 .cse5 .cse26) (and .cse3 .cse27 .cse4 .cse5 .cse26) (and (<= ~a29~0 275) .cse6 .cse3 .cse5 .cse11 .cse14) (and .cse27 .cse7 .cse18) (and .cse19 .cse28 .cse3 .cse27 .cse7 .cse5) (let ((.cse29 (div ~a23~0 5))) (and .cse19 (< 0 (+ .cse29 553331)) .cse15 .cse3 .cse16 .cse5 (or (not (= (mod ~a23~0 5) 0)) (< 0 (+ .cse29 553330))) .cse8)) (and (<= 10 ~a25~0) .cse12 .cse3 .cse25 .cse5 .cse14 .cse8) (and .cse19 .cse12 .cse27 .cse7) (and .cse30 .cse15 .cse3 .cse7 .cse4 .cse5) (and .cse9 .cse23) (and .cse19 .cse3 .cse25 .cse18 .cse5 .cse8) (and .cse6 .cse3 .cse16 .cse4 .cse5 .cse26) (and .cse9 .cse11 .cse26) (and .cse15 .cse3 .cse31 .cse10 .cse16 .cse5 .cse17) (and .cse15 .cse3 .cse7 .cse24 .cse5 .cse22) (and .cse12 .cse3 .cse31 .cse4 .cse5 .cse26 (or .cse30 (<= ~a29~0 140))))))) [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-11-25 17:51:39,606 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,607 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,608 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,609 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,610 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,611 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,612 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,613 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,614 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,615 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,616 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,617 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,618 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-11-25 17:51:39,618 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-11-25 17:51:39,618 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-11-25 17:51:39,618 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-11-25 17:51:39,618 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,618 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,618 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,618 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,619 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,619 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,619 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,619 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,619 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-11-25 17:51:39,619 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-11-25 17:51:39,619 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-11-25 17:51:39,620 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-11-25 17:51:39,620 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-11-25 17:51:39,620 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-11-25 17:51:39,620 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,620 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,620 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,620 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,621 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,621 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,621 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,621 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-25 17:51:39,621 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-11-25 17:51:39,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:51:39,621 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,622 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,622 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,622 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,622 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,622 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,622 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-11-25 17:51:39,622 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-11-25 17:51:39,623 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,623 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,623 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,623 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,623 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,623 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,623 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,624 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-11-25 17:51:39,624 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-11-25 17:51:39,624 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,624 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,624 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-25 17:51:39,624 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-11-25 17:51:39,624 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-25 17:51:39,624 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-11-25 17:51:39,627 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:51:39,629 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:51:39,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:51:39 BoogieIcfgContainer [2022-11-25 17:51:39,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:51:39,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:51:39,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:51:39,694 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:51:39,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:46:36" (3/4) ... [2022-11-25 17:51:39,698 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:51:39,736 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 17:51:39,737 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 17:51:39,738 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 17:51:39,740 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:51:39,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:51:39,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:51:39,883 INFO L158 Benchmark]: Toolchain (without parser) took 306425.68ms. Allocated memory was 140.5MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 98.0MB in the beginning and 856.7MB in the end (delta: -758.7MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-25 17:51:39,883 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:51:39,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.37ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 53.0MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-25 17:51:39,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 242.36ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 53.0MB in the beginning and 161.8MB in the end (delta: -108.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-25 17:51:39,886 INFO L158 Benchmark]: Boogie Preprocessor took 118.32ms. Allocated memory is still 207.6MB. Free memory was 161.8MB in the beginning and 152.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:51:39,887 INFO L158 Benchmark]: RCFGBuilder took 1844.67ms. Allocated memory is still 207.6MB. Free memory was 152.4MB in the beginning and 150.6MB in the end (delta: 1.8MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2022-11-25 17:51:39,887 INFO L158 Benchmark]: TraceAbstraction took 303212.36ms. Allocated memory was 207.6MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 150.6MB in the beginning and 872.5MB in the end (delta: -721.9MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-25 17:51:39,889 INFO L158 Benchmark]: Witness Printer took 195.18ms. Allocated memory is still 2.1GB. Free memory was 872.5MB in the beginning and 856.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 17:51:39,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 140.5MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.37ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 53.0MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 242.36ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 53.0MB in the beginning and 161.8MB in the end (delta: -108.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.32ms. Allocated memory is still 207.6MB. Free memory was 161.8MB in the beginning and 152.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1844.67ms. Allocated memory is still 207.6MB. Free memory was 152.4MB in the beginning and 150.6MB in the end (delta: 1.8MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * TraceAbstraction took 303212.36ms. Allocated memory was 207.6MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 150.6MB in the beginning and 872.5MB in the end (delta: -721.9MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 195.18ms. Allocated memory is still 2.1GB. Free memory was 872.5MB in the beginning and 856.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. 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: 160]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 303.1s, OverallIterations: 27, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 46.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 211.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11313 SdHoareTripleChecker+Valid, 39.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11313 mSDsluCounter, 5716 SdHoareTripleChecker+Invalid, 33.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 920 mSDsCounter, 5093 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30639 IncrementalHoareTripleChecker+Invalid, 35732 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5093 mSolverCounterUnsat, 4796 mSDtfsCounter, 30639 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8793 GetRequests, 8666 SyntacticMatches, 1 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26980occurred in iteration=21, InterpolantAutomatonStates: 134, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.4s AutomataMinimizationTime, 27 MinimizatonAttempts, 68277 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 333 NumberOfFragments, 1889 HoareAnnotationTreeSize, 3 FomulaSimplifications, 233868 FormulaSimplificationTreeSizeReduction, 186.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2238416 FormulaSimplificationTreeSizeReductionInter, 25.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 17346 NumberOfCodeBlocks, 17346 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 19483 ConstructedInterpolants, 0 QuantifiedInterpolants, 79824 SizeOfPredicates, 14 NumberOfNonLiveVariables, 8783 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 44 InterpolantComputations, 23 PerfectInterpolantSequences, 29882/33827 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a29 <= 274 && ((((((a23 + 43 <= 0 && a25 == 12) && a3 == 1) && !(a4 == 1)) && a8 == 15) && 247 <= a29) || ((((a23 + 43 <= 0 && a25 <= 10) && 10250 <= a29) && a3 == 1) && a8 == 15))) || ((((a25 == 13 && 306 <= a23) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 == 12 && 437900 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((((((((a25 == 12 && 0 <= a23 + 599772) && ((!(306 < a23) || !(a4 == 1)) || !(277 < a29))) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || (((((((!(306 < a23) || !(a4 == 1)) || !(277 < a29)) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) && 119992 + a23 <= 0) && 247 <= a29)) || (((a25 <= 10 && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && 0 < a23 + 43) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((((((a25 == 11 && a29 <= 274) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 247 <= a29) && 0 < 2189019 + 5 * a23)) || (a25 <= 9 && ((((((a23 + 43 <= 0 && a25 == 12) && a3 == 1) && !(a4 == 1)) && a8 == 15) && 247 <= a29) || ((((a23 + 43 <= 0 && a25 <= 10) && 10250 <= a29) && a3 == 1) && a8 == 15)))) || ((((((a23 + 43 <= 0 && a25 == 12) && (!(input == 3) || 140 < a29)) && 0 <= a23 + 577842) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || (((((a25 == 13 && a23 + 43 <= 0) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((a25 == 13 && !(a23 <= 138)) && a23 <= 262) && a3 == 1) && a8 == 15)) || (((((260 <= a29 && 0 <= a23 + 577842) && a25 == 11) && a3 == 1) && 119992 + a23 <= 0) && a8 == 15)) || ((((((a25 == 13 && !(a23 <= 138)) && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((a23 + 43 <= 0 && a25 <= 10) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15)) || (((((((a23 + 43 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && !(a4 == 1)) && 0 < 1254740 + a23) && a8 == 15)) || (((((a25 == 13 && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || ((((a3 == 1 && ((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130))) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || (((((a29 <= 275 && a25 == 12) && a3 == 1) && a8 == 15) && 247 <= a29) && a4 <= 0)) || ((((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130)) && a4 == 1) && a25 <= 9)) || (((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a3 == 1) && ((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130))) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && 0 < a23 / 5 + 553331) && a25 == 11) && a3 == 1) && !(a4 == 1)) && a8 == 15) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 553330)) && a29 <= 130)) || ((((((10 <= a25 && a25 <= 10) && a3 == 1) && 0 < 1254740 + a23) && a8 == 15) && a4 <= 0) && a29 <= 130)) || (((a23 + 43 <= 0 && a25 <= 10) && ((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130))) && a4 == 1)) || (((((138 < a23 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((((a25 == 12 && 0 <= a23 + 599772) && ((!(306 < a23) || !(a4 == 1)) || !(277 < a29))) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || (((((((!(306 < a23) || !(a4 == 1)) || !(277 < a29)) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) && !(a23 <= 138))) || (((((a23 + 43 <= 0 && a3 == 1) && 0 < 1254740 + a23) && a25 <= 9) && a8 == 15) && a29 <= 130)) || (((((a25 == 12 && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || (((((((((a25 == 12 && 0 <= a23 + 599772) && ((!(306 < a23) || !(a4 == 1)) || !(277 < a29))) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || (((((((!(306 < a23) || !(a4 == 1)) || !(277 < a29)) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) && 247 <= a29) && 0 <= a23 + 42)) || ((((((a25 == 11 && a3 == 1) && a29 <= 220) && 119992 + a23 <= 0) && !(a4 == 1)) && a8 == 15) && 0 < 2189019 + 5 * a23)) || (((((a25 == 11 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && 130 <= a29)) || ((((((a25 <= 10 && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42) && (138 < a23 || a29 <= 140)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((a29 <= 274 && ((((((a23 + 43 <= 0 && a25 == 12) && a3 == 1) && !(a4 == 1)) && a8 == 15) && 247 <= a29) || ((((a23 + 43 <= 0 && a25 <= 10) && 10250 <= a29) && a3 == 1) && a8 == 15))) || ((((a25 == 13 && 306 <= a23) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 == 12 && 437900 <= a23) && a3 == 1) && a4 == 1) && a8 == 15) && a29 <= 130)) || (((((((((a25 == 12 && 0 <= a23 + 599772) && ((!(306 < a23) || !(a4 == 1)) || !(277 < a29))) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || (((((((!(306 < a23) || !(a4 == 1)) || !(277 < a29)) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) && 119992 + a23 <= 0) && 247 <= a29)) || (((a25 <= 10 && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && 0 < a23 + 43) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((((((a25 == 11 && a29 <= 274) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 247 <= a29) && 0 < 2189019 + 5 * a23)) || (a25 <= 9 && ((((((a23 + 43 <= 0 && a25 == 12) && a3 == 1) && !(a4 == 1)) && a8 == 15) && 247 <= a29) || ((((a23 + 43 <= 0 && a25 <= 10) && 10250 <= a29) && a3 == 1) && a8 == 15)))) || ((((((a23 + 43 <= 0 && a25 == 12) && (!(input == 3) || 140 < a29)) && 0 <= a23 + 577842) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || (((((a25 == 13 && a23 + 43 <= 0) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((a25 == 13 && !(a23 <= 138)) && a23 <= 262) && a3 == 1) && a8 == 15)) || (((((260 <= a29 && 0 <= a23 + 577842) && a25 == 11) && a3 == 1) && 119992 + a23 <= 0) && a8 == 15)) || ((((((a25 == 13 && !(a23 <= 138)) && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((a23 + 43 <= 0 && a25 <= 10) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15)) || (((((((a23 + 43 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && !(a4 == 1)) && 0 < 1254740 + a23) && a8 == 15)) || (((((a25 == 13 && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || ((((a3 == 1 && ((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130))) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || (((((a29 <= 275 && a25 == 12) && a3 == 1) && a8 == 15) && 247 <= a29) && a4 <= 0)) || ((((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130)) && a4 == 1) && a25 <= 9)) || (((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a3 == 1) && ((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130))) && a4 == 1) && a8 == 15)) || (((((((a23 + 43 <= 0 && 0 < a23 / 5 + 553331) && a25 == 11) && a3 == 1) && !(a4 == 1)) && a8 == 15) && (!(a23 % 5 == 0) || 0 < a23 / 5 + 553330)) && a29 <= 130)) || ((((((10 <= a25 && a25 <= 10) && a3 == 1) && 0 < 1254740 + a23) && a8 == 15) && a4 <= 0) && a29 <= 130)) || (((a23 + 43 <= 0 && a25 <= 10) && ((a25 <= 10 && a29 <= 130) || (a25 == 12 && a29 <= 130))) && a4 == 1)) || (((((138 < a23 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || ((((((((a25 == 12 && 0 <= a23 + 599772) && ((!(306 < a23) || !(a4 == 1)) || !(277 < a29))) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || (((((((!(306 < a23) || !(a4 == 1)) || !(277 < a29)) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) && !(a23 <= 138))) || (((((a23 + 43 <= 0 && a3 == 1) && 0 < 1254740 + a23) && a25 <= 9) && a8 == 15) && a29 <= 130)) || (((((a25 == 12 && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42)) || (((((((((a25 == 12 && 0 <= a23 + 599772) && ((!(306 < a23) || !(a4 == 1)) || !(277 < a29))) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29) || (((((((!(306 < a23) || !(a4 == 1)) || !(277 < a29)) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) && 247 <= a29) && 0 <= a23 + 42)) || ((((((a25 == 11 && a3 == 1) && a29 <= 220) && 119992 + a23 <= 0) && !(a4 == 1)) && a8 == 15) && 0 < 2189019 + 5 * a23)) || (((((a25 == 11 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && 130 <= a29)) || ((((((a25 <= 10 && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15) && 0 <= a23 + 42) && (138 < a23 || a29 <= 140)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:51:39,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3659076f-2698-4939-a1d3-bddd98257dec/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE