./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN --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 a272bf0f73a58d72dfba23a9c902bbeb665b6b76cc21acf92951a09cb8e04c47 --- 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-6b4ec56 [2022-11-20 10:31:41,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:41,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:41,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:41,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:41,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:41,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:41,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:41,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:41,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:41,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:41,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:41,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:41,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:41,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:41,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:41,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:41,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:41,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:41,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:41,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:41,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:41,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:41,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:41,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:41,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:41,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:41,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:41,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:41,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:41,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:41,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:41,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:41,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:41,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:41,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:41,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:41,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:41,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:41,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:41,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:41,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 10:31:41,818 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:41,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:41,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:41,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:41,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:41,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:41,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:41,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:41,821 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:41,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:41,822 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:31:41,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:31:41,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:31:41,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:41,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:41,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:41,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:41,823 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:31:41,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:41,824 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:41,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:41,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:41,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:41,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:41,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:41,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:41,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:41,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:41,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:31:41,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:31:41,826 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:41,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:41,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:41,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a272bf0f73a58d72dfba23a9c902bbeb665b6b76cc21acf92951a09cb8e04c47 [2022-11-20 10:31:42,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:42,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:42,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:42,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:42,149 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:42,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/eca-rers2012/Problem03_label30.c [2022-11-20 10:31:45,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:31:45,743 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:31:45,744 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/sv-benchmarks/c/eca-rers2012/Problem03_label30.c [2022-11-20 10:31:45,757 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/data/523dfc57d/9133379ffc5c4a6d93954e46d12a8632/FLAGbd4b10a24 [2022-11-20 10:31:45,771 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/data/523dfc57d/9133379ffc5c4a6d93954e46d12a8632 [2022-11-20 10:31:45,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:31:45,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:31:45,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:45,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:31:45,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:31:45,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:45" (1/1) ... [2022-11-20 10:31:45,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181cccd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:45, skipping insertion in model container [2022-11-20 10:31:45,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:45" (1/1) ... [2022-11-20 10:31:45,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:31:45,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:46,492 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_d78f1b05-f170-4750-a1b1-ccc255637194/sv-benchmarks/c/eca-rers2012/Problem03_label30.c[57849,57862] [2022-11-20 10:31:46,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:46,552 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:31:46,865 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_d78f1b05-f170-4750-a1b1-ccc255637194/sv-benchmarks/c/eca-rers2012/Problem03_label30.c[57849,57862] [2022-11-20 10:31:46,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:46,931 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:31:46,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46 WrapperNode [2022-11-20 10:31:46,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:46,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:46,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:31:46,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:31:46,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,115 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-11-20 10:31:47,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:47,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:31:47,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:31:47,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:31:47,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:31:47,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:31:47,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:31:47,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:31:47,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (1/1) ... [2022-11-20 10:31:47,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:47,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:47,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:31:47,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:31:47,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:31:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:31:47,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:31:47,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:31:47,441 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:31:47,443 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:31:49,475 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:31:49,497 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:31:49,497 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:31:49,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:49 BoogieIcfgContainer [2022-11-20 10:31:49,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:31:49,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:31:49,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:31:49,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:31:49,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:31:45" (1/3) ... [2022-11-20 10:31:49,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed8708f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:49, skipping insertion in model container [2022-11-20 10:31:49,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:46" (2/3) ... [2022-11-20 10:31:49,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed8708f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:49, skipping insertion in model container [2022-11-20 10:31:49,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:49" (3/3) ... [2022-11-20 10:31:49,523 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label30.c [2022-11-20 10:31:49,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:31:49,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:31:49,624 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:31:49,631 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;@2149a230, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:31:49,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:31:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 10:31:49,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:49,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:49,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:49,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:49,658 INFO L85 PathProgramCache]: Analyzing trace with hash 174616531, now seen corresponding path program 1 times [2022-11-20 10:31:49,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:49,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105786678] [2022-11-20 10:31:49,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:49,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:50,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:50,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:50,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105786678] [2022-11-20 10:31:50,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105786678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:50,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:50,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:50,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502929430] [2022-11-20 10:31:50,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:50,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:50,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:50,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:50,972 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:52,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:52,411 INFO L93 Difference]: Finished difference Result 824 states and 1460 transitions. [2022-11-20 10:31:52,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:52,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 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 175 [2022-11-20 10:31:52,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:52,429 INFO L225 Difference]: With dead ends: 824 [2022-11-20 10:31:52,429 INFO L226 Difference]: Without dead ends: 444 [2022-11-20 10:31:52,433 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 [2022-11-20 10:31:52,436 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 55 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:52,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 238 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:31:52,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-11-20 10:31:52,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2022-11-20 10:31:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 442 states have (on average 1.418552036199095) internal successors, (627), 442 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:52,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 627 transitions. [2022-11-20 10:31:52,515 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 627 transitions. Word has length 175 [2022-11-20 10:31:52,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:52,516 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 627 transitions. [2022-11-20 10:31:52,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 627 transitions. [2022-11-20 10:31:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-20 10:31:52,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:52,522 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:52,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:31:52,523 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:52,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:52,524 INFO L85 PathProgramCache]: Analyzing trace with hash -93879212, now seen corresponding path program 1 times [2022-11-20 10:31:52,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:52,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627475827] [2022-11-20 10:31:52,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:52,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:52,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:52,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627475827] [2022-11-20 10:31:52,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627475827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:52,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:52,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:52,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019792862] [2022-11-20 10:31:52,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:52,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:52,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:52,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:52,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:52,834 INFO L87 Difference]: Start difference. First operand 443 states and 627 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:53,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:53,949 INFO L93 Difference]: Finished difference Result 1310 states and 1861 transitions. [2022-11-20 10:31:53,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:53,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2022-11-20 10:31:53,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:53,955 INFO L225 Difference]: With dead ends: 1310 [2022-11-20 10:31:53,955 INFO L226 Difference]: Without dead ends: 869 [2022-11-20 10:31:53,963 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 [2022-11-20 10:31:53,965 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:53,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 92 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:31:53,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2022-11-20 10:31:54,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 855. [2022-11-20 10:31:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 854 states have (on average 1.3875878220140516) internal successors, (1185), 854 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1185 transitions. [2022-11-20 10:31:54,025 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1185 transitions. Word has length 183 [2022-11-20 10:31:54,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:54,027 INFO L495 AbstractCegarLoop]: Abstraction has 855 states and 1185 transitions. [2022-11-20 10:31:54,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:54,027 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1185 transitions. [2022-11-20 10:31:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-20 10:31:54,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:54,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:54,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:31:54,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:54,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1497909608, now seen corresponding path program 1 times [2022-11-20 10:31:54,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:54,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857391957] [2022-11-20 10:31:54,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:54,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 10:31:54,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:54,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857391957] [2022-11-20 10:31:54,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857391957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:54,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:54,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504170859] [2022-11-20 10:31:54,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:54,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:54,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:54,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:54,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:54,517 INFO L87 Difference]: Start difference. First operand 855 states and 1185 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:55,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:55,746 INFO L93 Difference]: Finished difference Result 2547 states and 3535 transitions. [2022-11-20 10:31:55,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:55,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 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 192 [2022-11-20 10:31:55,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:55,753 INFO L225 Difference]: With dead ends: 2547 [2022-11-20 10:31:55,753 INFO L226 Difference]: Without dead ends: 1694 [2022-11-20 10:31:55,755 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 [2022-11-20 10:31:55,756 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 275 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:55,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 227 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:31:55,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2022-11-20 10:31:55,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1687. [2022-11-20 10:31:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1686 states have (on average 1.3724792408066429) internal successors, (2314), 1686 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2314 transitions. [2022-11-20 10:31:55,835 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2314 transitions. Word has length 192 [2022-11-20 10:31:55,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:55,835 INFO L495 AbstractCegarLoop]: Abstraction has 1687 states and 2314 transitions. [2022-11-20 10:31:55,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 2 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2314 transitions. [2022-11-20 10:31:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-20 10:31:55,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:55,853 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:55,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:31:55,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:55,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash 800099661, now seen corresponding path program 1 times [2022-11-20 10:31:55,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:55,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958894715] [2022-11-20 10:31:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:55,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:31:56,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:56,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958894715] [2022-11-20 10:31:56,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958894715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:56,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:56,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:56,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147484771] [2022-11-20 10:31:56,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:56,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:56,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:56,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:56,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:56,132 INFO L87 Difference]: Start difference. First operand 1687 states and 2314 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:57,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:57,191 INFO L93 Difference]: Finished difference Result 4190 states and 5944 transitions. [2022-11-20 10:31:57,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:57,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 195 [2022-11-20 10:31:57,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:57,200 INFO L225 Difference]: With dead ends: 4190 [2022-11-20 10:31:57,201 INFO L226 Difference]: Without dead ends: 2505 [2022-11-20 10:31:57,203 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 [2022-11-20 10:31:57,204 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 236 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:57,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 405 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:31:57,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2022-11-20 10:31:57,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2502. [2022-11-20 10:31:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2502 states, 2501 states have (on average 1.3102758896441424) internal successors, (3277), 2501 states have internal predecessors, (3277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3277 transitions. [2022-11-20 10:31:57,263 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3277 transitions. Word has length 195 [2022-11-20 10:31:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:57,264 INFO L495 AbstractCegarLoop]: Abstraction has 2502 states and 3277 transitions. [2022-11-20 10:31:57,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3277 transitions. [2022-11-20 10:31:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-20 10:31:57,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:57,270 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:57,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:31:57,270 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:57,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:57,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1457983073, now seen corresponding path program 1 times [2022-11-20 10:31:57,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:57,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277539192] [2022-11-20 10:31:57,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:57,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:31:57,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:57,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277539192] [2022-11-20 10:31:57,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277539192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:57,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:57,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:57,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219227405] [2022-11-20 10:31:57,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:57,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:57,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:57,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:57,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:57,775 INFO L87 Difference]: Start difference. First operand 2502 states and 3277 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:58,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:58,751 INFO L93 Difference]: Finished difference Result 5827 states and 7690 transitions. [2022-11-20 10:31:58,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:58,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 203 [2022-11-20 10:31:58,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:58,762 INFO L225 Difference]: With dead ends: 5827 [2022-11-20 10:31:58,763 INFO L226 Difference]: Without dead ends: 3327 [2022-11-20 10:31:58,765 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 [2022-11-20 10:31:58,766 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:58,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 364 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:31:58,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3327 states. [2022-11-20 10:31:58,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3327 to 3317. [2022-11-20 10:31:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3317 states, 3316 states have (on average 1.2831724969843186) internal successors, (4255), 3316 states have internal predecessors, (4255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:58,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 3317 states and 4255 transitions. [2022-11-20 10:31:58,871 INFO L78 Accepts]: Start accepts. Automaton has 3317 states and 4255 transitions. Word has length 203 [2022-11-20 10:31:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:58,873 INFO L495 AbstractCegarLoop]: Abstraction has 3317 states and 4255 transitions. [2022-11-20 10:31:58,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3317 states and 4255 transitions. [2022-11-20 10:31:58,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-20 10:31:58,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:58,884 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:58,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:31:58,885 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:58,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:58,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1450768731, now seen corresponding path program 1 times [2022-11-20 10:31:58,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:58,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368730749] [2022-11-20 10:31:58,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:58,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:31:59,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:59,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368730749] [2022-11-20 10:31:59,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368730749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:59,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:59,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:59,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001178757] [2022-11-20 10:31:59,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:59,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:59,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:59,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:59,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:59,289 INFO L87 Difference]: Start difference. First operand 3317 states and 4255 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:00,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:00,446 INFO L93 Difference]: Finished difference Result 9081 states and 11775 transitions. [2022-11-20 10:32:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:00,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 210 [2022-11-20 10:32:00,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:00,470 INFO L225 Difference]: With dead ends: 9081 [2022-11-20 10:32:00,470 INFO L226 Difference]: Without dead ends: 5766 [2022-11-20 10:32:00,475 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 [2022-11-20 10:32:00,479 INFO L413 NwaCegarLoop]: 363 mSDtfsCounter, 202 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:00,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 386 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:32:00,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5766 states. [2022-11-20 10:32:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5766 to 5760. [2022-11-20 10:32:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5760 states, 5759 states have (on average 1.2401458586560166) internal successors, (7142), 5759 states have internal predecessors, (7142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5760 states to 5760 states and 7142 transitions. [2022-11-20 10:32:00,597 INFO L78 Accepts]: Start accepts. Automaton has 5760 states and 7142 transitions. Word has length 210 [2022-11-20 10:32:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:00,597 INFO L495 AbstractCegarLoop]: Abstraction has 5760 states and 7142 transitions. [2022-11-20 10:32:00,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 5760 states and 7142 transitions. [2022-11-20 10:32:00,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-20 10:32:00,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:00,608 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:00,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:32:00,608 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:00,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:00,609 INFO L85 PathProgramCache]: Analyzing trace with hash 543920742, now seen corresponding path program 1 times [2022-11-20 10:32:00,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:00,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087680001] [2022-11-20 10:32:00,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:00,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:01,059 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:01,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:01,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087680001] [2022-11-20 10:32:01,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087680001] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:01,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:01,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:01,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017479846] [2022-11-20 10:32:01,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:01,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:32:01,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:01,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:32:01,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:01,063 INFO L87 Difference]: Start difference. First operand 5760 states and 7142 transitions. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:02,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:02,705 INFO L93 Difference]: Finished difference Result 11544 states and 14334 transitions. [2022-11-20 10:32:02,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:32:02,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2022-11-20 10:32:02,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:02,724 INFO L225 Difference]: With dead ends: 11544 [2022-11-20 10:32:02,724 INFO L226 Difference]: Without dead ends: 5786 [2022-11-20 10:32:02,729 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 [2022-11-20 10:32:02,732 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 407 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:02,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 199 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 10:32:02,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5786 states. [2022-11-20 10:32:02,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5786 to 4948. [2022-11-20 10:32:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4948 states, 4947 states have (on average 1.2460076814230847) internal successors, (6164), 4947 states have internal predecessors, (6164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:02,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4948 states to 4948 states and 6164 transitions. [2022-11-20 10:32:02,876 INFO L78 Accepts]: Start accepts. Automaton has 4948 states and 6164 transitions. Word has length 219 [2022-11-20 10:32:02,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:02,877 INFO L495 AbstractCegarLoop]: Abstraction has 4948 states and 6164 transitions. [2022-11-20 10:32:02,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 4948 states and 6164 transitions. [2022-11-20 10:32:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-20 10:32:02,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:02,889 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:02,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:32:02,889 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:02,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:02,890 INFO L85 PathProgramCache]: Analyzing trace with hash 659726089, now seen corresponding path program 1 times [2022-11-20 10:32:02,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:02,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224205892] [2022-11-20 10:32:02,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:02,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 10:32:03,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:03,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224205892] [2022-11-20 10:32:03,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224205892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:03,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:03,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:03,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471671929] [2022-11-20 10:32:03,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:03,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:03,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:03,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:03,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:03,385 INFO L87 Difference]: Start difference. First operand 4948 states and 6164 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:04,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:04,573 INFO L93 Difference]: Finished difference Result 14393 states and 17935 transitions. [2022-11-20 10:32:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:04,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 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 223 [2022-11-20 10:32:04,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:04,602 INFO L225 Difference]: With dead ends: 14393 [2022-11-20 10:32:04,602 INFO L226 Difference]: Without dead ends: 9447 [2022-11-20 10:32:04,608 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 [2022-11-20 10:32:04,609 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 218 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:04,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 196 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:32:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9447 states. [2022-11-20 10:32:04,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9447 to 9436. [2022-11-20 10:32:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9436 states, 9435 states have (on average 1.2218335983041866) internal successors, (11528), 9435 states have internal predecessors, (11528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9436 states to 9436 states and 11528 transitions. [2022-11-20 10:32:04,779 INFO L78 Accepts]: Start accepts. Automaton has 9436 states and 11528 transitions. Word has length 223 [2022-11-20 10:32:04,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:04,780 INFO L495 AbstractCegarLoop]: Abstraction has 9436 states and 11528 transitions. [2022-11-20 10:32:04,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 9436 states and 11528 transitions. [2022-11-20 10:32:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-20 10:32:04,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:04,797 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:04,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:32:04,798 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:04,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:04,799 INFO L85 PathProgramCache]: Analyzing trace with hash 890126555, now seen corresponding path program 1 times [2022-11-20 10:32:04,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:04,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593507823] [2022-11-20 10:32:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 10:32:05,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:05,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593507823] [2022-11-20 10:32:05,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593507823] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:05,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575217781] [2022-11-20 10:32:05,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:05,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:05,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:05,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:05,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:32:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:05,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:32:05,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:32:06,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:32:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:32:06,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575217781] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:32:06,427 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:32:06,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 6 [2022-11-20 10:32:06,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690212163] [2022-11-20 10:32:06,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:32:06,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:32:06,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:06,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:32:06,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:32:06,430 INFO L87 Difference]: Start difference. First operand 9436 states and 11528 transitions. Second operand has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:11,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:11,968 INFO L93 Difference]: Finished difference Result 61772 states and 76379 transitions. [2022-11-20 10:32:11,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 10:32:11,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 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 226 [2022-11-20 10:32:11,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:12,153 INFO L225 Difference]: With dead ends: 61772 [2022-11-20 10:32:12,154 INFO L226 Difference]: Without dead ends: 52541 [2022-11-20 10:32:12,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:32:12,167 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 2832 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 3778 mSolverCounterSat, 1046 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 4824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1046 IncrementalHoareTripleChecker+Valid, 3778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:12,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 407 Invalid, 4824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1046 Valid, 3778 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-20 10:32:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52541 states. [2022-11-20 10:32:12,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52541 to 51667. [2022-11-20 10:32:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51667 states, 51666 states have (on average 1.178066813765339) internal successors, (60866), 51666 states have internal predecessors, (60866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51667 states to 51667 states and 60866 transitions. [2022-11-20 10:32:13,145 INFO L78 Accepts]: Start accepts. Automaton has 51667 states and 60866 transitions. Word has length 226 [2022-11-20 10:32:13,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:13,146 INFO L495 AbstractCegarLoop]: Abstraction has 51667 states and 60866 transitions. [2022-11-20 10:32:13,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 51667 states and 60866 transitions. [2022-11-20 10:32:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-20 10:32:13,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:13,186 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:13,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:13,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:13,393 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:13,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:13,393 INFO L85 PathProgramCache]: Analyzing trace with hash 26999431, now seen corresponding path program 1 times [2022-11-20 10:32:13,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:13,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508849044] [2022-11-20 10:32:13,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:14,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:14,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508849044] [2022-11-20 10:32:14,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508849044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:14,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:14,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:14,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370666385] [2022-11-20 10:32:14,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:14,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:14,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:14,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:14,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:14,457 INFO L87 Difference]: Start difference. First operand 51667 states and 60866 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:15,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:15,746 INFO L93 Difference]: Finished difference Result 102113 states and 120353 transitions. [2022-11-20 10:32:15,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:15,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 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 249 [2022-11-20 10:32:15,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:15,822 INFO L225 Difference]: With dead ends: 102113 [2022-11-20 10:32:15,822 INFO L226 Difference]: Without dead ends: 51057 [2022-11-20 10:32:15,853 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 [2022-11-20 10:32:15,853 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 133 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:15,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 196 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:32:15,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51057 states. [2022-11-20 10:32:16,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51057 to 51056. [2022-11-20 10:32:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51056 states, 51055 states have (on average 1.1772206444030946) internal successors, (60103), 51055 states have internal predecessors, (60103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51056 states to 51056 states and 60103 transitions. [2022-11-20 10:32:16,931 INFO L78 Accepts]: Start accepts. Automaton has 51056 states and 60103 transitions. Word has length 249 [2022-11-20 10:32:16,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:16,931 INFO L495 AbstractCegarLoop]: Abstraction has 51056 states and 60103 transitions. [2022-11-20 10:32:16,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 2 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 51056 states and 60103 transitions. [2022-11-20 10:32:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-20 10:32:16,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:16,963 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:16,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:32:16,964 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:16,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:16,965 INFO L85 PathProgramCache]: Analyzing trace with hash -213655855, now seen corresponding path program 1 times [2022-11-20 10:32:16,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:16,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354193485] [2022-11-20 10:32:16,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:16,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:17,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:17,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354193485] [2022-11-20 10:32:17,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354193485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:17,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:17,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:17,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849894545] [2022-11-20 10:32:17,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:17,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:17,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:17,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:17,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:17,804 INFO L87 Difference]: Start difference. First operand 51056 states and 60103 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:19,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:19,403 INFO L93 Difference]: Finished difference Result 122493 states and 144278 transitions. [2022-11-20 10:32:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:19,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 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 253 [2022-11-20 10:32:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:19,525 INFO L225 Difference]: With dead ends: 122493 [2022-11-20 10:32:19,526 INFO L226 Difference]: Without dead ends: 72454 [2022-11-20 10:32:19,560 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 [2022-11-20 10:32:19,560 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 188 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:19,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 219 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:32:19,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72454 states. [2022-11-20 10:32:20,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72454 to 72036. [2022-11-20 10:32:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72036 states, 72035 states have (on average 1.169945165544527) internal successors, (84277), 72035 states have internal predecessors, (84277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72036 states to 72036 states and 84277 transitions. [2022-11-20 10:32:20,787 INFO L78 Accepts]: Start accepts. Automaton has 72036 states and 84277 transitions. Word has length 253 [2022-11-20 10:32:20,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:20,788 INFO L495 AbstractCegarLoop]: Abstraction has 72036 states and 84277 transitions. [2022-11-20 10:32:20,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 2 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:20,790 INFO L276 IsEmpty]: Start isEmpty. Operand 72036 states and 84277 transitions. [2022-11-20 10:32:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-20 10:32:20,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:20,834 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:20,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:32:20,835 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:20,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:20,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1780262992, now seen corresponding path program 1 times [2022-11-20 10:32:20,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:20,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724393060] [2022-11-20 10:32:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:20,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-20 10:32:21,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:21,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724393060] [2022-11-20 10:32:21,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724393060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:21,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:21,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:21,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352623641] [2022-11-20 10:32:21,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:21,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:21,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:21,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:21,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:21,789 INFO L87 Difference]: Start difference. First operand 72036 states and 84277 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:23,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:23,174 INFO L93 Difference]: Finished difference Result 147986 states and 173071 transitions. [2022-11-20 10:32:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 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 283 [2022-11-20 10:32:23,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:23,269 INFO L225 Difference]: With dead ends: 147986 [2022-11-20 10:32:23,269 INFO L226 Difference]: Without dead ends: 83678 [2022-11-20 10:32:23,462 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 [2022-11-20 10:32:23,478 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 241 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:23,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 219 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:32:23,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83678 states. [2022-11-20 10:32:24,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83678 to 83654. [2022-11-20 10:32:24,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83654 states, 83653 states have (on average 1.1674297395192044) internal successors, (97659), 83653 states have internal predecessors, (97659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:24,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83654 states to 83654 states and 97659 transitions. [2022-11-20 10:32:24,846 INFO L78 Accepts]: Start accepts. Automaton has 83654 states and 97659 transitions. Word has length 283 [2022-11-20 10:32:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:24,846 INFO L495 AbstractCegarLoop]: Abstraction has 83654 states and 97659 transitions. [2022-11-20 10:32:24,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 83654 states and 97659 transitions. [2022-11-20 10:32:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-11-20 10:32:24,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:24,892 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:24,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 10:32:24,893 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:24,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:24,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1542055283, now seen corresponding path program 1 times [2022-11-20 10:32:24,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:24,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673775021] [2022-11-20 10:32:24,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:24,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 10:32:25,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:25,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673775021] [2022-11-20 10:32:25,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673775021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:25,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:25,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:25,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300751943] [2022-11-20 10:32:25,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:25,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:32:25,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:25,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:32:25,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:25,547 INFO L87 Difference]: Start difference. First operand 83654 states and 97659 transitions. Second operand has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:27,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:27,619 INFO L93 Difference]: Finished difference Result 185337 states and 216498 transitions. [2022-11-20 10:32:27,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:32:27,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 290 [2022-11-20 10:32:27,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:27,726 INFO L225 Difference]: With dead ends: 185337 [2022-11-20 10:32:27,727 INFO L226 Difference]: Without dead ends: 103717 [2022-11-20 10:32:27,767 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 [2022-11-20 10:32:27,768 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 353 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:27,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 169 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 10:32:27,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103717 states. [2022-11-20 10:32:29,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103717 to 94863. [2022-11-20 10:32:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94863 states, 94862 states have (on average 1.1641015369694925) internal successors, (110429), 94862 states have internal predecessors, (110429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94863 states to 94863 states and 110429 transitions. [2022-11-20 10:32:29,483 INFO L78 Accepts]: Start accepts. Automaton has 94863 states and 110429 transitions. Word has length 290 [2022-11-20 10:32:29,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:29,483 INFO L495 AbstractCegarLoop]: Abstraction has 94863 states and 110429 transitions. [2022-11-20 10:32:29,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:29,484 INFO L276 IsEmpty]: Start isEmpty. Operand 94863 states and 110429 transitions. [2022-11-20 10:32:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-11-20 10:32:29,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:29,525 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:29,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:32:29,525 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:29,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1500203540, now seen corresponding path program 1 times [2022-11-20 10:32:29,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:29,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804142775] [2022-11-20 10:32:29,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:29,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 10:32:30,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:30,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804142775] [2022-11-20 10:32:30,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804142775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:30,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:30,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:30,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439186379] [2022-11-20 10:32:30,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:30,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:32:30,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:30,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:32:30,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:30,228 INFO L87 Difference]: Start difference. First operand 94863 states and 110429 transitions. Second operand has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:31,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:31,599 INFO L93 Difference]: Finished difference Result 167798 states and 196240 transitions. [2022-11-20 10:32:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:32:31,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 291 [2022-11-20 10:32:31,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:31,661 INFO L225 Difference]: With dead ends: 167798 [2022-11-20 10:32:31,661 INFO L226 Difference]: Without dead ends: 68067 [2022-11-20 10:32:31,697 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 [2022-11-20 10:32:31,697 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 749 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:31,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 45 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:32:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68067 states. [2022-11-20 10:32:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68067 to 67833. [2022-11-20 10:32:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67833 states, 67832 states have (on average 1.0934367260290128) internal successors, (74170), 67832 states have internal predecessors, (74170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:32,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67833 states to 67833 states and 74170 transitions. [2022-11-20 10:32:32,998 INFO L78 Accepts]: Start accepts. Automaton has 67833 states and 74170 transitions. Word has length 291 [2022-11-20 10:32:32,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:32,998 INFO L495 AbstractCegarLoop]: Abstraction has 67833 states and 74170 transitions. [2022-11-20 10:32:32,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 67833 states and 74170 transitions. [2022-11-20 10:32:33,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-20 10:32:33,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:33,024 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:33,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:32:33,024 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:33,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1717943634, now seen corresponding path program 1 times [2022-11-20 10:32:33,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:33,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636643010] [2022-11-20 10:32:33,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:33,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 10:32:33,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:33,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636643010] [2022-11-20 10:32:33,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636643010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:33,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:33,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:33,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592984227] [2022-11-20 10:32:33,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:33,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:33,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:33,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:33,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:33,429 INFO L87 Difference]: Start difference. First operand 67833 states and 74170 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 2 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:34,903 INFO L93 Difference]: Finished difference Result 130741 states and 143823 transitions. [2022-11-20 10:32:34,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:34,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 2 states have internal predecessors, (243), 0 states have call successors, (0), 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 296 [2022-11-20 10:32:34,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:34,982 INFO L225 Difference]: With dead ends: 130741 [2022-11-20 10:32:34,982 INFO L226 Difference]: Without dead ends: 64331 [2022-11-20 10:32:34,992 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 [2022-11-20 10:32:34,993 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 151 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:34,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 122 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:32:35,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64331 states. [2022-11-20 10:32:35,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64331 to 63316. [2022-11-20 10:32:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63316 states, 63315 states have (on average 1.0763168285556346) internal successors, (68147), 63315 states have internal predecessors, (68147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:35,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63316 states to 63316 states and 68147 transitions. [2022-11-20 10:32:35,993 INFO L78 Accepts]: Start accepts. Automaton has 63316 states and 68147 transitions. Word has length 296 [2022-11-20 10:32:35,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:35,993 INFO L495 AbstractCegarLoop]: Abstraction has 63316 states and 68147 transitions. [2022-11-20 10:32:35,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 2 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 63316 states and 68147 transitions. [2022-11-20 10:32:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-20 10:32:36,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:36,005 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:36,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:32:36,005 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:36,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:36,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1588882839, now seen corresponding path program 1 times [2022-11-20 10:32:36,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:36,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344909274] [2022-11-20 10:32:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:36,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-20 10:32:36,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:36,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344909274] [2022-11-20 10:32:36,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344909274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:36,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:36,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:36,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288562479] [2022-11-20 10:32:36,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:36,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:36,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:36,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:36,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:36,400 INFO L87 Difference]: Start difference. First operand 63316 states and 68147 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:37,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:37,685 INFO L93 Difference]: Finished difference Result 145781 states and 157454 transitions. [2022-11-20 10:32:37,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:37,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 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 303 [2022-11-20 10:32:37,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:37,751 INFO L225 Difference]: With dead ends: 145781 [2022-11-20 10:32:37,751 INFO L226 Difference]: Without dead ends: 82467 [2022-11-20 10:32:37,764 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 [2022-11-20 10:32:37,764 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 207 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:37,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 136 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:32:37,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82467 states. [2022-11-20 10:32:38,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82467 to 78991. [2022-11-20 10:32:38,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78991 states, 78990 states have (on average 1.0816559058108621) internal successors, (85440), 78990 states have internal predecessors, (85440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78991 states to 78991 states and 85440 transitions. [2022-11-20 10:32:38,876 INFO L78 Accepts]: Start accepts. Automaton has 78991 states and 85440 transitions. Word has length 303 [2022-11-20 10:32:38,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:38,876 INFO L495 AbstractCegarLoop]: Abstraction has 78991 states and 85440 transitions. [2022-11-20 10:32:38,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:38,876 INFO L276 IsEmpty]: Start isEmpty. Operand 78991 states and 85440 transitions. [2022-11-20 10:32:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-11-20 10:32:38,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:38,909 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:38,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 10:32:38,910 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash -441816732, now seen corresponding path program 1 times [2022-11-20 10:32:38,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:38,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91382575] [2022-11-20 10:32:38,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:38,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-20 10:32:40,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:40,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91382575] [2022-11-20 10:32:40,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91382575] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:40,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805881336] [2022-11-20 10:32:40,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:40,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:40,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:40,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:40,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:32:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:40,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:40,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 10:32:40,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:40,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805881336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:40,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:32:40,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 10:32:40,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147718662] [2022-11-20 10:32:40,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:40,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:40,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:40,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:40,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:32:40,648 INFO L87 Difference]: Start difference. First operand 78991 states and 85440 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:41,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:41,623 INFO L93 Difference]: Finished difference Result 155358 states and 168152 transitions. [2022-11-20 10:32:41,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:41,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 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 354 [2022-11-20 10:32:41,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:41,696 INFO L225 Difference]: With dead ends: 155358 [2022-11-20 10:32:41,697 INFO L226 Difference]: Without dead ends: 78196 [2022-11-20 10:32:41,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:32:41,726 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 86 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:41,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 272 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:32:41,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78196 states. [2022-11-20 10:32:42,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78196 to 78179. [2022-11-20 10:32:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78179 states, 78178 states have (on average 1.078065440405229) internal successors, (84281), 78178 states have internal predecessors, (84281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78179 states to 78179 states and 84281 transitions. [2022-11-20 10:32:42,769 INFO L78 Accepts]: Start accepts. Automaton has 78179 states and 84281 transitions. Word has length 354 [2022-11-20 10:32:42,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:42,770 INFO L495 AbstractCegarLoop]: Abstraction has 78179 states and 84281 transitions. [2022-11-20 10:32:42,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 78179 states and 84281 transitions. [2022-11-20 10:32:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-11-20 10:32:42,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:42,792 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:42,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:42,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 10:32:42,995 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:42,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:42,995 INFO L85 PathProgramCache]: Analyzing trace with hash -393080461, now seen corresponding path program 1 times [2022-11-20 10:32:42,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:42,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739756443] [2022-11-20 10:32:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:42,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 215 proven. 29 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-20 10:32:43,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:43,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739756443] [2022-11-20 10:32:43,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739756443] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:43,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133079800] [2022-11-20 10:32:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:43,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:43,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:43,844 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:43,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:32:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:32:44,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-20 10:32:44,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:44,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133079800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:44,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:32:44,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-20 10:32:44,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504777116] [2022-11-20 10:32:44,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:44,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:44,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:32:44,175 INFO L87 Difference]: Start difference. First operand 78179 states and 84281 transitions. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:45,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:45,407 INFO L93 Difference]: Finished difference Result 129458 states and 139659 transitions. [2022-11-20 10:32:45,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:45,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 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 362 [2022-11-20 10:32:45,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:45,459 INFO L225 Difference]: With dead ends: 129458 [2022-11-20 10:32:45,459 INFO L226 Difference]: Without dead ends: 50875 [2022-11-20 10:32:45,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:32:45,484 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 203 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:45,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 292 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:32:45,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50875 states. [2022-11-20 10:32:46,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50875 to 46601. [2022-11-20 10:32:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46601 states, 46600 states have (on average 1.0630257510729613) internal successors, (49537), 46600 states have internal predecessors, (49537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46601 states to 46601 states and 49537 transitions. [2022-11-20 10:32:46,132 INFO L78 Accepts]: Start accepts. Automaton has 46601 states and 49537 transitions. Word has length 362 [2022-11-20 10:32:46,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:46,133 INFO L495 AbstractCegarLoop]: Abstraction has 46601 states and 49537 transitions. [2022-11-20 10:32:46,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 46601 states and 49537 transitions. [2022-11-20 10:32:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2022-11-20 10:32:46,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:46,166 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:46,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:46,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 10:32:46,368 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:46,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:46,369 INFO L85 PathProgramCache]: Analyzing trace with hash 67321743, now seen corresponding path program 1 times [2022-11-20 10:32:46,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:46,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570484779] [2022-11-20 10:32:46,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:46,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 10:32:47,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:47,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570484779] [2022-11-20 10:32:47,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570484779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:47,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:47,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:32:47,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190460826] [2022-11-20 10:32:47,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:47,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:47,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:47,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:47,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:47,559 INFO L87 Difference]: Start difference. First operand 46601 states and 49537 transitions. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:48,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:48,421 INFO L93 Difference]: Finished difference Result 91780 states and 97615 transitions. [2022-11-20 10:32:48,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:48,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 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 392 [2022-11-20 10:32:48,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:48,458 INFO L225 Difference]: With dead ends: 91780 [2022-11-20 10:32:48,458 INFO L226 Difference]: Without dead ends: 46602 [2022-11-20 10:32:48,476 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 [2022-11-20 10:32:48,476 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 70 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:48,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 116 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:32:48,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46602 states. [2022-11-20 10:32:49,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46602 to 46601. [2022-11-20 10:32:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46601 states, 46600 states have (on average 1.0628969957081544) internal successors, (49531), 46600 states have internal predecessors, (49531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46601 states to 46601 states and 49531 transitions. [2022-11-20 10:32:49,150 INFO L78 Accepts]: Start accepts. Automaton has 46601 states and 49531 transitions. Word has length 392 [2022-11-20 10:32:49,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:49,150 INFO L495 AbstractCegarLoop]: Abstraction has 46601 states and 49531 transitions. [2022-11-20 10:32:49,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.0) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 46601 states and 49531 transitions. [2022-11-20 10:32:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-11-20 10:32:49,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:49,174 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:49,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 10:32:49,174 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:49,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:49,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1353325147, now seen corresponding path program 1 times [2022-11-20 10:32:49,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:49,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007648663] [2022-11-20 10:32:49,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:49,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 224 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 10:32:49,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:49,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007648663] [2022-11-20 10:32:49,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007648663] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:49,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367265171] [2022-11-20 10:32:49,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:49,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:49,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:49,977 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:49,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:32:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:50,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:32:50,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:32:50,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:50,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367265171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:50,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:32:50,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-20 10:32:50,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155255443] [2022-11-20 10:32:50,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:50,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:50,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:50,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:50,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:50,593 INFO L87 Difference]: Start difference. First operand 46601 states and 49531 transitions. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:51,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:51,559 INFO L93 Difference]: Finished difference Result 93830 states and 99860 transitions. [2022-11-20 10:32:51,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:51,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 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 400 [2022-11-20 10:32:51,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:51,599 INFO L225 Difference]: With dead ends: 93830 [2022-11-20 10:32:51,600 INFO L226 Difference]: Without dead ends: 48652 [2022-11-20 10:32:51,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:51,618 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 135 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:51,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 332 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:32:51,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48652 states. [2022-11-20 10:32:52,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48652 to 45579. [2022-11-20 10:32:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45579 states, 45578 states have (on average 1.0597876168326825) internal successors, (48303), 45578 states have internal predecessors, (48303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45579 states to 45579 states and 48303 transitions. [2022-11-20 10:32:52,452 INFO L78 Accepts]: Start accepts. Automaton has 45579 states and 48303 transitions. Word has length 400 [2022-11-20 10:32:52,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:52,452 INFO L495 AbstractCegarLoop]: Abstraction has 45579 states and 48303 transitions. [2022-11-20 10:32:52,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 45579 states and 48303 transitions. [2022-11-20 10:32:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-11-20 10:32:52,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:52,486 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:52,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:52,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:52,687 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:52,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:52,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2084760706, now seen corresponding path program 1 times [2022-11-20 10:32:52,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:52,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814569375] [2022-11-20 10:32:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 10:32:53,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:53,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814569375] [2022-11-20 10:32:53,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814569375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:53,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:53,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:53,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827731141] [2022-11-20 10:32:53,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:53,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:32:53,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:53,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:32:53,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:53,258 INFO L87 Difference]: Start difference. First operand 45579 states and 48303 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:54,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:54,503 INFO L93 Difference]: Finished difference Result 109064 states and 115591 transitions. [2022-11-20 10:32:54,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:32:54,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 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 403 [2022-11-20 10:32:54,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:54,557 INFO L225 Difference]: With dead ends: 109064 [2022-11-20 10:32:54,557 INFO L226 Difference]: Without dead ends: 64705 [2022-11-20 10:32:54,578 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 [2022-11-20 10:32:54,578 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 404 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:54,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 386 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:32:54,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64705 states. [2022-11-20 10:32:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64705 to 63683. [2022-11-20 10:32:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63683 states, 63682 states have (on average 1.0586979052165446) internal successors, (67420), 63682 states have internal predecessors, (67420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:55,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63683 states to 63683 states and 67420 transitions. [2022-11-20 10:32:55,432 INFO L78 Accepts]: Start accepts. Automaton has 63683 states and 67420 transitions. Word has length 403 [2022-11-20 10:32:55,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:55,433 INFO L495 AbstractCegarLoop]: Abstraction has 63683 states and 67420 transitions. [2022-11-20 10:32:55,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 63683 states and 67420 transitions. [2022-11-20 10:32:55,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-11-20 10:32:55,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:55,469 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:55,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 10:32:55,469 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:55,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:55,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1428899627, now seen corresponding path program 1 times [2022-11-20 10:32:55,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:55,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091587196] [2022-11-20 10:32:55,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:55,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:32:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 290 proven. 58 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 10:32:57,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:32:57,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091587196] [2022-11-20 10:32:57,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091587196] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:32:57,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017717290] [2022-11-20 10:32:57,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:57,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:57,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:32:57,264 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:32:57,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 10:32:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:57,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:57,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-20 10:32:57,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:57,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017717290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:57,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:32:57,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-20 10:32:57,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173626295] [2022-11-20 10:32:57,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:57,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:57,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:32:57,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:57,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:32:57,819 INFO L87 Difference]: Start difference. First operand 63683 states and 67420 transitions. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:58,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:58,863 INFO L93 Difference]: Finished difference Result 126140 states and 133547 transitions. [2022-11-20 10:32:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:58,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 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 408 [2022-11-20 10:32:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:58,925 INFO L225 Difference]: With dead ends: 126140 [2022-11-20 10:32:58,925 INFO L226 Difference]: Without dead ends: 63270 [2022-11-20 10:32:58,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:32:58,948 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 161 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:58,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 95 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:32:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63270 states. [2022-11-20 10:32:59,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63270 to 60217. [2022-11-20 10:32:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60217 states, 60216 states have (on average 1.0528264912979939) internal successors, (63397), 60216 states have internal predecessors, (63397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60217 states to 60217 states and 63397 transitions. [2022-11-20 10:32:59,748 INFO L78 Accepts]: Start accepts. Automaton has 60217 states and 63397 transitions. Word has length 408 [2022-11-20 10:32:59,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:59,748 INFO L495 AbstractCegarLoop]: Abstraction has 60217 states and 63397 transitions. [2022-11-20 10:32:59,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:32:59,749 INFO L276 IsEmpty]: Start isEmpty. Operand 60217 states and 63397 transitions. [2022-11-20 10:32:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-11-20 10:32:59,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:59,785 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, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:59,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:59,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:32:59,986 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:59,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:59,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2000446158, now seen corresponding path program 1 times [2022-11-20 10:32:59,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:32:59,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853372787] [2022-11-20 10:32:59,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:59,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:33:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,029 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 153 proven. 252 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 10:33:02,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:33:02,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853372787] [2022-11-20 10:33:02,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853372787] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:33:02,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532444803] [2022-11-20 10:33:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:02,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:33:02,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:33:02,031 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:33:02,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 10:33:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:02,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:33:02,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-11-20 10:33:02,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:02,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532444803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:02,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:33:02,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-11-20 10:33:02,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503170156] [2022-11-20 10:33:02,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:02,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:02,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:33:02,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:02,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:33:02,592 INFO L87 Difference]: Start difference. First operand 60217 states and 63397 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:03,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:03,803 INFO L93 Difference]: Finished difference Result 122079 states and 128707 transitions. [2022-11-20 10:33:03,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:03,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 430 [2022-11-20 10:33:03,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:03,804 INFO L225 Difference]: With dead ends: 122079 [2022-11-20 10:33:03,804 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:33:03,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:33:03,826 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 52 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:03,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 312 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:33:03,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:33:03,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:33:03,830 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) [2022-11-20 10:33:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:33:03,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2022-11-20 10:33:03,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:03,831 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:33:03,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:33:03,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:33:03,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:33:03,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:04,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:33:04,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:33:18,448 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 541 DAG size of output: 92 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 10:33:25,856 WARN L233 SmtUtils]: Spent 7.40s on a formula simplification. DAG size of input: 541 DAG size of output: 92 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-20 10:33:25,862 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-20 10:33:25,862 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-20 10:33:25,862 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,862 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-11-20 10:33:25,863 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,863 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,863 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,863 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,863 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,863 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,863 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,863 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,864 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,865 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,866 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,866 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,866 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,866 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-20 10:33:25,866 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-20 10:33:25,866 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,866 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-11-20 10:33:25,867 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,867 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-20 10:33:25,867 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-11-20 10:33:25,867 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,867 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,867 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,867 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,868 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,868 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,868 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,868 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-20 10:33:25,868 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,868 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-20 10:33:25,868 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-11-20 10:33:25,869 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,869 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,869 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,869 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,869 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-11-20 10:33:25,869 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-11-20 10:33:25,870 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,870 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,870 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,870 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,870 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,870 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,871 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,871 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,871 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,871 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,871 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-20 10:33:25,871 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-20 10:33:25,871 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-11-20 10:33:25,872 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,872 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,872 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,872 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,872 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,872 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,872 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-20 10:33:25,873 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-11-20 10:33:25,874 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,874 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,874 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,874 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-11-20 10:33:25,874 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,874 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-11-20 10:33:25,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:33:25,875 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,875 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,875 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-11-20 10:33:25,875 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-11-20 10:33:25,875 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,875 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,876 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,876 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,876 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,876 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,876 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,876 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-11-20 10:33:25,876 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-11-20 10:33:25,877 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-20 10:33:25,877 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-20 10:33:25,877 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-11-20 10:33:25,877 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,877 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,877 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,877 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,878 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,878 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,878 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,878 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,878 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,878 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,879 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-20 10:33:25,879 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-20 10:33:25,879 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-11-20 10:33:25,879 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,879 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,879 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,879 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,880 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,880 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,880 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,880 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,880 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,880 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:33:25,881 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1570) no Hoare annotation was computed. [2022-11-20 10:33:25,881 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-20 10:33:25,881 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-20 10:33:25,881 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-11-20 10:33:25,881 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-11-20 10:33:25,881 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-11-20 10:33:25,881 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,882 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,882 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,882 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,882 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,882 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,882 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,883 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,883 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-20 10:33:25,883 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-20 10:33:25,883 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-11-20 10:33:25,883 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,883 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,883 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,884 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-11-20 10:33:25,885 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,885 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,885 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-11-20 10:33:25,885 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-11-20 10:33:25,885 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-11-20 10:33:25,885 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-11-20 10:33:25,886 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-20 10:33:25,886 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-20 10:33:25,886 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-20 10:33:25,886 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,886 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,886 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,887 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse10 (= ~a12~0 1)) (.cse2 (= ~a27~0 1))) (let ((.cse12 (= ~a11~0 ~a2~0)) (.cse20 (= ~a26~0 0)) (.cse11 (<= 2 ~a3~0)) (.cse14 (= ~a11~0 0)) (.cse4 (= ~a12~0 ~a8~0)) (.cse18 (= ~a15~0 1)) (.cse6 (not .cse2)) (.cse13 (= ~a16~0 1)) (.cse8 (not .cse10)) (.cse19 (= ~a12~0 ~a6~0)) (.cse5 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse16 (= ~a3~0 1)) (.cse15 (= ~a0~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (not (= ~a7~0 1))) (.cse17 (= ~a11~0 1)) (.cse7 (= ~a6~0 1)) (.cse3 (= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (and .cse9 .cse0 .cse10 .cse11 .cse1 .cse5) (and .cse0 .cse10 .cse1 .cse12 .cse3 .cse5) (and .cse9 .cse0 .cse10 .cse11 .cse13 .cse1 .cse14 .cse2 .cse15) (and .cse0 .cse11 .cse1 .cse7 .cse2) (and .cse9 .cse0 .cse1 .cse16 .cse7 .cse2) (and .cse9 .cse0 .cse10 .cse1 .cse17 .cse16 .cse2) (and .cse18 .cse0 .cse6 .cse13 .cse1 .cse17 .cse15 .cse19 .cse3) (and .cse9 .cse0 .cse17 .cse2 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse12 .cse7 .cse3) (and .cse9 .cse0 .cse10 .cse2 .cse3) (and .cse9 .cse0 .cse10 .cse13 .cse17 .cse3 .cse4) (and .cse0 .cse1 .cse12 .cse16 .cse7) (and .cse0 .cse11 .cse1 .cse7 .cse8) (and .cse20 .cse0 .cse1 .cse16 .cse7 .cse15) (and .cse0 .cse6 .cse13 .cse1 .cse7 .cse15 .cse3) (and .cse9 .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse18 .cse0 .cse11 .cse13 .cse1 .cse17 .cse19 .cse5) (and .cse0 .cse1 .cse12 .cse7 .cse2 .cse3) (and .cse9 .cse0 .cse11 .cse1 .cse12 .cse7) (and .cse0 .cse6 .cse1 .cse16 .cse8 .cse5) (and .cse0 .cse1 .cse17 .cse16 .cse5) (and .cse18 .cse9 .cse0 .cse1 .cse2 .cse19 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse15 .cse3) (and .cse0 .cse11 .cse1 .cse2 .cse15 .cse5) (and .cse20 .cse0 .cse6 .cse13 .cse1 .cse17 .cse16 .cse7) (and .cse0 .cse11 .cse1 .cse17 .cse2 .cse5) (and .cse0 .cse11 .cse13 .cse1 .cse7 .cse15) (and .cse9 .cse0 .cse11 .cse1 .cse2 .cse5) (and .cse0 .cse11 .cse1 .cse17 .cse8 .cse15 .cse5) (and .cse0 .cse6 .cse1 .cse16 .cse7 .cse8) (and .cse18 .cse9 .cse0 .cse1 .cse17 .cse7 .cse19 .cse3) (and .cse0 .cse1 .cse2 .cse15 .cse3 .cse5) (and .cse0 .cse10 .cse13 .cse1 .cse15 .cse3 .cse5) (and .cse9 .cse0 .cse17 .cse7 .cse2 .cse3) (and .cse9 .cse0 .cse1 .cse17 .cse7 .cse15 .cse3) (and .cse0 .cse6 .cse13 .cse1 .cse14 .cse7 .cse8 .cse3) (and .cse0 .cse1 .cse17 .cse8 .cse15 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse5) (and .cse18 .cse9 .cse0 .cse16 .cse7 .cse2 .cse19) (and .cse0 .cse1 .cse16 .cse15 .cse5) (and .cse18 .cse0 .cse6 .cse13 .cse1 .cse17 .cse16 .cse8 .cse19) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5) (and .cse9 .cse0 .cse17 .cse16 .cse7 .cse2) (and .cse0 .cse1 .cse16 .cse7 .cse2 .cse15) (and .cse0 .cse1 .cse17 .cse7 .cse2 .cse3)))) [2022-11-20 10:33:25,888 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,888 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,888 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,888 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-20 10:33:25,888 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-11-20 10:33:25,889 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,889 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,889 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,889 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-11-20 10:33:25,889 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,889 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,890 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,890 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,890 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,890 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,890 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-20 10:33:25,890 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-11-20 10:33:25,890 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,891 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,891 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,891 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,891 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,891 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,891 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,891 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,892 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,892 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-20 10:33:25,892 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-11-20 10:33:25,892 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,892 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,892 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-20 10:33:25,893 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-11-20 10:33:25,893 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,893 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse10 (= ~a12~0 1)) (.cse2 (= ~a27~0 1))) (let ((.cse12 (= ~a11~0 ~a2~0)) (.cse20 (= ~a26~0 0)) (.cse11 (<= 2 ~a3~0)) (.cse14 (= ~a11~0 0)) (.cse4 (= ~a12~0 ~a8~0)) (.cse18 (= ~a15~0 1)) (.cse6 (not .cse2)) (.cse13 (= ~a16~0 1)) (.cse8 (not .cse10)) (.cse19 (= ~a12~0 ~a6~0)) (.cse5 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse16 (= ~a3~0 1)) (.cse15 (= ~a0~0 1)) (.cse0 (= ~a5~0 1)) (.cse1 (not (= ~a7~0 1))) (.cse17 (= ~a11~0 1)) (.cse7 (= ~a6~0 1)) (.cse3 (= ~a3~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (and .cse9 .cse0 .cse10 .cse11 .cse1 .cse5) (and .cse0 .cse10 .cse1 .cse12 .cse3 .cse5) (and .cse9 .cse0 .cse10 .cse11 .cse13 .cse1 .cse14 .cse2 .cse15) (and .cse0 .cse11 .cse1 .cse7 .cse2) (and .cse9 .cse0 .cse1 .cse16 .cse7 .cse2) (and .cse9 .cse0 .cse10 .cse1 .cse17 .cse16 .cse2) (and .cse18 .cse0 .cse6 .cse13 .cse1 .cse17 .cse15 .cse19 .cse3) (and .cse9 .cse0 .cse17 .cse2 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse12 .cse7 .cse3) (and .cse9 .cse0 .cse10 .cse2 .cse3) (and .cse9 .cse0 .cse10 .cse13 .cse17 .cse3 .cse4) (and .cse0 .cse1 .cse12 .cse16 .cse7) (and .cse0 .cse11 .cse1 .cse7 .cse8) (and .cse20 .cse0 .cse1 .cse16 .cse7 .cse15) (and .cse0 .cse6 .cse13 .cse1 .cse7 .cse15 .cse3) (and .cse9 .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse18 .cse0 .cse11 .cse13 .cse1 .cse17 .cse19 .cse5) (and .cse0 .cse1 .cse12 .cse7 .cse2 .cse3) (and .cse9 .cse0 .cse11 .cse1 .cse12 .cse7) (and .cse0 .cse6 .cse1 .cse16 .cse8 .cse5) (and .cse0 .cse1 .cse17 .cse16 .cse5) (and .cse18 .cse9 .cse0 .cse1 .cse2 .cse19 .cse3 .cse5) (and .cse0 .cse6 .cse1 .cse7 .cse8 .cse15 .cse3) (and .cse0 .cse11 .cse1 .cse2 .cse15 .cse5) (and .cse20 .cse0 .cse6 .cse13 .cse1 .cse17 .cse16 .cse7) (and .cse0 .cse11 .cse1 .cse17 .cse2 .cse5) (and .cse0 .cse11 .cse13 .cse1 .cse7 .cse15) (and .cse9 .cse0 .cse11 .cse1 .cse2 .cse5) (and .cse0 .cse11 .cse1 .cse17 .cse8 .cse15 .cse5) (and .cse0 .cse6 .cse1 .cse16 .cse7 .cse8) (and .cse18 .cse9 .cse0 .cse1 .cse17 .cse7 .cse19 .cse3) (and .cse0 .cse1 .cse2 .cse15 .cse3 .cse5) (and .cse0 .cse10 .cse13 .cse1 .cse15 .cse3 .cse5) (and .cse9 .cse0 .cse17 .cse7 .cse2 .cse3) (and .cse9 .cse0 .cse1 .cse17 .cse7 .cse15 .cse3) (and .cse0 .cse6 .cse13 .cse1 .cse14 .cse7 .cse8 .cse3) (and .cse0 .cse1 .cse17 .cse8 .cse15 .cse3 .cse5) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse5) (and .cse18 .cse9 .cse0 .cse16 .cse7 .cse2 .cse19) (and .cse0 .cse1 .cse16 .cse15 .cse5) (and .cse18 .cse0 .cse6 .cse13 .cse1 .cse17 .cse16 .cse8 .cse19) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5) (and .cse9 .cse0 .cse17 .cse16 .cse7 .cse2) (and .cse0 .cse1 .cse16 .cse7 .cse2 .cse15) (and .cse0 .cse1 .cse17 .cse7 .cse2 .cse3)))) [2022-11-20 10:33:25,894 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,894 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,894 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,894 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,894 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-20 10:33:25,894 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-11-20 10:33:25,895 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,895 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,895 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,895 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,895 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,895 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,895 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,896 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,896 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:33:25,896 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-11-20 10:33:25,896 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-11-20 10:33:25,896 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-20 10:33:25,896 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,897 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-11-20 10:33:25,897 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,897 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,897 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-11-20 10:33:25,897 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,897 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,897 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,898 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,898 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,898 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-11-20 10:33:25,898 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,898 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-20 10:33:25,898 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-11-20 10:33:25,899 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-11-20 10:33:25,899 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,899 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,899 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,899 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,899 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,900 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,900 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,900 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,900 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-11-20 10:33:25,900 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-11-20 10:33:25,900 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,900 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,901 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-20 10:33:25,901 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-11-20 10:33:25,901 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-11-20 10:33:25,901 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,901 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,901 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,902 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,902 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,902 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:33:25,902 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,902 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,902 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,902 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,903 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,904 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,904 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,904 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-11-20 10:33:25,904 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-11-20 10:33:25,904 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,904 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-20 10:33:25,904 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-20 10:33:25,905 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-11-20 10:33:25,905 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,905 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,905 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,905 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,905 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-11-20 10:33:25,906 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-11-20 10:33:25,906 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-11-20 10:33:25,906 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,906 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,906 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:33:25,910 INFO L444 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] [2022-11-20 10:33:25,912 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:33:25,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:33:25 BoogieIcfgContainer [2022-11-20 10:33:25,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:33:25,952 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:33:25,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:33:25,952 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:33:25,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:49" (3/4) ... [2022-11-20 10:33:25,956 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:33:25,985 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 10:33:25,987 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 10:33:25,989 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:33:25,992 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:33:26,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:33:26,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:33:26,182 INFO L158 Benchmark]: Toolchain (without parser) took 100398.44ms. Allocated memory was 201.3MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 166.2MB in the beginning and 10.8GB in the end (delta: -10.6GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-11-20 10:33:26,182 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:33:26,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1148.32ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 158.9MB in the end (delta: 7.3MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2022-11-20 10:33:26,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.21ms. Allocated memory is still 201.3MB. Free memory was 158.9MB in the beginning and 145.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:33:26,184 INFO L158 Benchmark]: Boogie Preprocessor took 131.65ms. Allocated memory is still 201.3MB. Free memory was 144.2MB in the beginning and 134.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:33:26,184 INFO L158 Benchmark]: RCFGBuilder took 2251.29ms. Allocated memory is still 201.3MB. Free memory was 134.8MB in the beginning and 84.2MB in the end (delta: 50.6MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2022-11-20 10:33:26,187 INFO L158 Benchmark]: TraceAbstraction took 96447.51ms. Allocated memory was 201.3MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 84.2MB in the beginning and 10.8GB in the end (delta: -10.7GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2022-11-20 10:33:26,187 INFO L158 Benchmark]: Witness Printer took 225.09ms. Allocated memory is still 14.0GB. Free memory was 10.8GB in the beginning and 10.8GB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 10:33:26,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1148.32ms. Allocated memory is still 201.3MB. Free memory was 166.2MB in the beginning and 158.9MB in the end (delta: 7.3MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.21ms. Allocated memory is still 201.3MB. Free memory was 158.9MB in the beginning and 145.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.65ms. Allocated memory is still 201.3MB. Free memory was 144.2MB in the beginning and 134.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2251.29ms. Allocated memory is still 201.3MB. Free memory was 134.8MB in the beginning and 84.2MB in the end (delta: 50.6MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * TraceAbstraction took 96447.51ms. Allocated memory was 201.3MB in the beginning and 14.0GB in the end (delta: 13.8GB). Free memory was 84.2MB in the beginning and 10.8GB in the end (delta: -10.7GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. * Witness Printer took 225.09ms. Allocated memory is still 14.0GB. Free memory was 10.8GB in the beginning and 10.8GB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1570]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 96.3s, OverallIterations: 23, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 35.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7819 SdHoareTripleChecker+Valid, 25.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7819 mSDsluCounter, 5425 SdHoareTripleChecker+Invalid, 21.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 947 mSDsCounter, 3180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17987 IncrementalHoareTripleChecker+Invalid, 21167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3180 mSolverCounterUnsat, 4478 mSDtfsCounter, 17987 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2476 GetRequests, 2426 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94863occurred in iteration=13, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 15.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 27226 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 685 NumberOfFragments, 2045 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 6.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 27814 FormulaSimplificationTreeSizeReductionInter, 14.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 8720 NumberOfCodeBlocks, 8720 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 8916 ConstructedInterpolants, 0 QuantifiedInterpolants, 30923 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3708 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 30 InterpolantComputations, 22 PerfectInterpolantSequences, 5258/5650 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && !(a7 == 1)) && a27 == 1) && a3 == 0) && a12 == a8) && a6 <= 0) || ((((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a6 == 1) && !(a12 == 1)) && a3 == 0) && a12 == a8)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && !(a7 == 1)) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == a2) && a3 == 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a27 == 1) && a0 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a3 == 1) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && a27 == 1)) || ((((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a0 == 1) && a12 == a6) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == a2) && a6 == 1) && a3 == 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a3 == 0) && a12 == a8)) || ((((a5 == 1 && !(a7 == 1)) && a11 == a2) && a3 == 1) && a6 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a6 == 1) && !(a12 == 1))) || (((((a26 == 0 && a5 == 1) && !(a7 == 1)) && a3 == 1) && a6 == 1) && a0 == 1)) || ((((((a5 == 1 && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a6 == 1) && a0 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a5 == 1) && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 == a6) && a6 <= 0)) || (((((a5 == 1 && !(a7 == 1)) && a11 == a2) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && !(a7 == 1)) && a11 == a2) && a6 == 1)) || (((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a3 == 1) && !(a12 == 1)) && a6 <= 0)) || ((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a3 == 1) && a6 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && !(a7 == 1)) && a27 == 1) && a12 == a6) && a3 == 0) && a6 <= 0)) || ((((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a6 == 1) && !(a12 == 1)) && a0 == 1) && a3 == 0)) || (((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a27 == 1) && a0 == 1) && a6 <= 0)) || (((((((a26 == 0 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && a6 == 1)) || (((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a6 == 1) && a0 == 1)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && !(a7 == 1)) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a11 == 1) && !(a12 == 1)) && a0 == 1) && a6 <= 0)) || (((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a3 == 1) && a6 == 1) && !(a12 == 1))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 == a6) && a3 == 0)) || (((((a5 == 1 && !(a7 == 1)) && a27 == 1) && a0 == 1) && a3 == 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && !(a7 == 1)) && a0 == 1) && a3 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a0 == 1) && a3 == 0)) || (((((((a5 == 1 && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a3 == 0)) || ((((((a5 == 1 && !(a7 == 1)) && a11 == 1) && !(a12 == 1)) && a0 == 1) && a3 == 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a3 == 0) && a12 == a8) && a6 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || ((((a5 == 1 && !(a7 == 1)) && a3 == 1) && a0 == 1) && a6 <= 0)) || ((((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && !(a12 == 1)) && a12 == a6)) || (((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a3 == 1) && a6 == 1) && a27 == 1)) || (((((a5 == 1 && !(a7 == 1)) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1)) || (((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((a5 == 1 && !(a7 == 1)) && a27 == 1) && a3 == 0) && a12 == a8) && a6 <= 0) || ((((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a6 == 1) && !(a12 == 1)) && a3 == 0) && a12 == a8)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && !(a7 == 1)) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == a2) && a3 == 0) && a6 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a27 == 1) && a0 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a6 == 1) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a3 == 1) && a6 == 1) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && a27 == 1)) || ((((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a0 == 1) && a12 == a6) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == a2) && a6 == 1) && a3 == 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a3 == 0) && a12 == a8)) || ((((a5 == 1 && !(a7 == 1)) && a11 == a2) && a3 == 1) && a6 == 1)) || ((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a6 == 1) && !(a12 == 1))) || (((((a26 == 0 && a5 == 1) && !(a7 == 1)) && a3 == 1) && a6 == 1) && a0 == 1)) || ((((((a5 == 1 && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a6 == 1) && a0 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a5 == 1) && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 == a6) && a6 <= 0)) || (((((a5 == 1 && !(a7 == 1)) && a11 == a2) && a6 == 1) && a27 == 1) && a3 == 0)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && !(a7 == 1)) && a11 == a2) && a6 == 1)) || (((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a3 == 1) && !(a12 == 1)) && a6 <= 0)) || ((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a3 == 1) && a6 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && !(a7 == 1)) && a27 == 1) && a12 == a6) && a3 == 0) && a6 <= 0)) || ((((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a6 == 1) && !(a12 == 1)) && a0 == 1) && a3 == 0)) || (((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a27 == 1) && a0 == 1) && a6 <= 0)) || (((((((a26 == 0 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && a6 == 1)) || (((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a16 == 1) && !(a7 == 1)) && a6 == 1) && a0 == 1)) || (((((a26 == 1 && a5 == 1) && 2 <= a3) && !(a7 == 1)) && a27 == 1) && a6 <= 0)) || ((((((a5 == 1 && 2 <= a3) && !(a7 == 1)) && a11 == 1) && !(a12 == 1)) && a0 == 1) && a6 <= 0)) || (((((a5 == 1 && !(a27 == 1)) && !(a7 == 1)) && a3 == 1) && a6 == 1) && !(a12 == 1))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 == a6) && a3 == 0)) || (((((a5 == 1 && !(a7 == 1)) && a27 == 1) && a0 == 1) && a3 == 0) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && a16 == 1) && !(a7 == 1)) && a0 == 1) && a3 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0)) || ((((((a26 == 1 && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a0 == 1) && a3 == 0)) || (((((((a5 == 1 && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 0) && a6 == 1) && !(a12 == 1)) && a3 == 0)) || ((((((a5 == 1 && !(a7 == 1)) && a11 == 1) && !(a12 == 1)) && a0 == 1) && a3 == 0) && a6 <= 0)) || (((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a3 == 0) && a12 == a8) && a6 <= 0)) || ((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 == 1) && a6 == 1) && a27 == 1) && a12 == a6)) || ((((a5 == 1 && !(a7 == 1)) && a3 == 1) && a0 == 1) && a6 <= 0)) || ((((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a3 == 1) && !(a12 == 1)) && a12 == a6)) || (((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a27 == 1) && a3 == 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a11 == 1) && a3 == 1) && a6 == 1) && a27 == 1)) || (((((a5 == 1 && !(a7 == 1)) && a3 == 1) && a6 == 1) && a27 == 1) && a0 == 1)) || (((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1) && a3 == 0) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:33:26,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d78f1b05-f170-4750-a1b1-ccc255637194/bin/uautomizer-ug76WZFUDN/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