./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f464de24b3032dee99022ecd3bac09be4532608b487d4a13c374cca55e302076 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:33:16,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:33:16,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:33:16,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:33:16,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:33:16,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:33:16,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:33:16,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:33:16,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:33:16,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:33:16,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:33:16,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:33:16,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:33:16,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:33:16,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:33:16,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:33:16,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:33:16,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:33:16,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:33:16,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:33:16,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:33:16,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:33:16,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:33:16,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:33:16,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:33:16,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:33:16,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:33:16,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:33:16,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:33:16,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:33:16,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:33:16,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:33:16,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:33:16,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:33:16,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:33:16,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:33:16,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:33:16,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:33:16,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:33:16,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:33:16,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:33:16,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:33:16,181 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:33:16,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:33:16,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:33:16,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:33:16,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:33:16,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:33:16,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:33:16,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:33:16,185 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:33:16,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:33:16,185 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:33:16,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:33:16,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:33:16,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:33:16,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:33:16,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:33:16,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:33:16,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:33:16,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:33:16,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:33:16,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:33:16,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:33:16,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:33:16,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:33:16,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:33:16,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:33:16,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:33:16,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:33:16,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:33:16,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:33:16,191 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:33:16,191 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:33:16,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:33:16,192 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_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f464de24b3032dee99022ecd3bac09be4532608b487d4a13c374cca55e302076 [2022-11-18 19:33:16,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:33:16,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:33:16,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:33:16,555 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:33:16,556 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:33:16,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/eca-rers2012/Problem11_label26.c [2022-11-18 19:33:16,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/data/68350bcb6/ad8a9f7310ff4f47bc5e0e7e23dfbfc7/FLAGe4a985dc9 [2022-11-18 19:33:17,470 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:33:17,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/sv-benchmarks/c/eca-rers2012/Problem11_label26.c [2022-11-18 19:33:17,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/data/68350bcb6/ad8a9f7310ff4f47bc5e0e7e23dfbfc7/FLAGe4a985dc9 [2022-11-18 19:33:17,605 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/data/68350bcb6/ad8a9f7310ff4f47bc5e0e7e23dfbfc7 [2022-11-18 19:33:17,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:33:17,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:33:17,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:33:17,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:33:17,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:33:17,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:33:17" (1/1) ... [2022-11-18 19:33:17,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45439738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:17, skipping insertion in model container [2022-11-18 19:33:17,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:33:17" (1/1) ... [2022-11-18 19:33:17,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:33:17,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:33:18,103 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/sv-benchmarks/c/eca-rers2012/Problem11_label26.c[5699,5712] [2022-11-18 19:33:18,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:33:18,557 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:33:18,597 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/sv-benchmarks/c/eca-rers2012/Problem11_label26.c[5699,5712] [2022-11-18 19:33:18,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:33:18,795 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:33:18,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18 WrapperNode [2022-11-18 19:33:18,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:33:18,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:33:18,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:33:18,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:33:18,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:18,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,069 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-11-18 19:33:19,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:33:19,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:33:19,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:33:19,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:33:19,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:33:19,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:33:19,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:33:19,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:33:19,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (1/1) ... [2022-11-18 19:33:19,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:33:19,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:33:19,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:33:19,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:33:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:33:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:33:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:33:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:33:19,445 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:33:19,448 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:33:21,751 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:33:21,773 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:33:21,773 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:33:21,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:33:21 BoogieIcfgContainer [2022-11-18 19:33:21,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:33:21,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:33:21,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:33:21,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:33:21,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:33:17" (1/3) ... [2022-11-18 19:33:21,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df1076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:33:21, skipping insertion in model container [2022-11-18 19:33:21,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:33:18" (2/3) ... [2022-11-18 19:33:21,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df1076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:33:21, skipping insertion in model container [2022-11-18 19:33:21,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:33:21" (3/3) ... [2022-11-18 19:33:21,794 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label26.c [2022-11-18 19:33:21,817 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:33:21,818 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:33:21,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:33:21,898 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;@4aa3a5f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:33:21,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:33:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-18 19:33:21,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:21,916 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] [2022-11-18 19:33:21,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:21,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:21,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1453294289, now seen corresponding path program 1 times [2022-11-18 19:33:21,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:21,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478319478] [2022-11-18 19:33:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:21,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:33:22,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:22,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478319478] [2022-11-18 19:33:22,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478319478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:22,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:22,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:33:22,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11716685] [2022-11-18 19:33:22,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:22,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:22,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:22,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:22,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:22,394 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:24,224 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2022-11-18 19:33:24,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:24,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 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 39 [2022-11-18 19:33:24,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:24,249 INFO L225 Difference]: With dead ends: 776 [2022-11-18 19:33:24,253 INFO L226 Difference]: Without dead ends: 413 [2022-11-18 19:33:24,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:24,271 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 188 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:24,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-18 19:33:24,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-11-18 19:33:24,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2022-11-18 19:33:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2022-11-18 19:33:24,383 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 39 [2022-11-18 19:33:24,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:24,384 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2022-11-18 19:33:24,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2022-11-18 19:33:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-18 19:33:24,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:24,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:24,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:33:24,393 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:24,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:24,394 INFO L85 PathProgramCache]: Analyzing trace with hash 142001080, now seen corresponding path program 1 times [2022-11-18 19:33:24,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:24,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73595684] [2022-11-18 19:33:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:24,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:33:24,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:24,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73595684] [2022-11-18 19:33:24,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73595684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:24,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:24,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:33:24,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921216763] [2022-11-18 19:33:24,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:24,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:24,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:24,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:24,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:24,720 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:26,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:26,043 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2022-11-18 19:33:26,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:26,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-11-18 19:33:26,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:26,049 INFO L225 Difference]: With dead ends: 1209 [2022-11-18 19:33:26,049 INFO L226 Difference]: Without dead ends: 800 [2022-11-18 19:33:26,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:26,052 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:26,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 122 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-18 19:33:26,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-11-18 19:33:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2022-11-18 19:33:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2022-11-18 19:33:26,128 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 107 [2022-11-18 19:33:26,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:26,128 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2022-11-18 19:33:26,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2022-11-18 19:33:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-18 19:33:26,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:26,132 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:26,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:33:26,132 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:26,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:26,133 INFO L85 PathProgramCache]: Analyzing trace with hash 412464125, now seen corresponding path program 1 times [2022-11-18 19:33:26,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:26,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174604478] [2022-11-18 19:33:26,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:26,667 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:33:26,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:26,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174604478] [2022-11-18 19:33:26,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174604478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:26,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:26,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:33:26,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255336207] [2022-11-18 19:33:26,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:26,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:26,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:26,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:26,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:26,675 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:27,822 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2022-11-18 19:33:27,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:27,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2022-11-18 19:33:27,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:27,828 INFO L225 Difference]: With dead ends: 1942 [2022-11-18 19:33:27,828 INFO L226 Difference]: Without dead ends: 1157 [2022-11-18 19:33:27,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:27,838 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:27,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:33:27,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2022-11-18 19:33:27,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2022-11-18 19:33:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2022-11-18 19:33:27,896 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 109 [2022-11-18 19:33:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:27,899 INFO L495 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2022-11-18 19:33:27,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2022-11-18 19:33:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-18 19:33:27,906 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:27,907 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:27,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:33:27,907 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:27,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:27,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1192776204, now seen corresponding path program 1 times [2022-11-18 19:33:27,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:27,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684652051] [2022-11-18 19:33:27,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:27,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-18 19:33:28,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:28,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684652051] [2022-11-18 19:33:28,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684652051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:28,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:28,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:33:28,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400444795] [2022-11-18 19:33:28,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:28,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:28,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:28,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:28,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:28,308 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:29,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:29,556 INFO L93 Difference]: Finished difference Result 2502 states and 3336 transitions. [2022-11-18 19:33:29,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:29,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2022-11-18 19:33:29,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:29,564 INFO L225 Difference]: With dead ends: 2502 [2022-11-18 19:33:29,565 INFO L226 Difference]: Without dead ends: 1532 [2022-11-18 19:33:29,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:29,568 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:29,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:33:29,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-11-18 19:33:29,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2022-11-18 19:33:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.2612671456564337) internal successors, (1931), 1531 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1931 transitions. [2022-11-18 19:33:29,612 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1931 transitions. Word has length 151 [2022-11-18 19:33:29,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:29,613 INFO L495 AbstractCegarLoop]: Abstraction has 1532 states and 1931 transitions. [2022-11-18 19:33:29,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1931 transitions. [2022-11-18 19:33:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-18 19:33:29,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:29,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:29,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:33:29,616 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:29,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:29,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1825758429, now seen corresponding path program 1 times [2022-11-18 19:33:29,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:29,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008366354] [2022-11-18 19:33:29,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:29,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:33:29,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:29,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008366354] [2022-11-18 19:33:29,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008366354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:29,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:29,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:29,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544627962] [2022-11-18 19:33:29,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:29,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:29,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:29,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:29,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:29,970 INFO L87 Difference]: Start difference. First operand 1532 states and 1931 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:31,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:31,128 INFO L93 Difference]: Finished difference Result 3644 states and 4735 transitions. [2022-11-18 19:33:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:31,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2022-11-18 19:33:31,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:31,143 INFO L225 Difference]: With dead ends: 3644 [2022-11-18 19:33:31,143 INFO L226 Difference]: Without dead ends: 2298 [2022-11-18 19:33:31,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:31,156 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 196 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:31,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:33:31,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2022-11-18 19:33:31,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2295. [2022-11-18 19:33:31,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2295 states, 2294 states have (on average 1.2650392327811684) internal successors, (2902), 2294 states have internal predecessors, (2902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:31,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 2295 states and 2902 transitions. [2022-11-18 19:33:31,220 INFO L78 Accepts]: Start accepts. Automaton has 2295 states and 2902 transitions. Word has length 166 [2022-11-18 19:33:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:31,223 INFO L495 AbstractCegarLoop]: Abstraction has 2295 states and 2902 transitions. [2022-11-18 19:33:31,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:31,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2902 transitions. [2022-11-18 19:33:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-18 19:33:31,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:31,235 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:31,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:33:31,237 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:31,239 INFO L85 PathProgramCache]: Analyzing trace with hash -890036000, now seen corresponding path program 1 times [2022-11-18 19:33:31,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:31,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463137436] [2022-11-18 19:33:31,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:31,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-18 19:33:31,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:31,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463137436] [2022-11-18 19:33:31,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463137436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:31,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:31,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:31,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525850137] [2022-11-18 19:33:31,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:31,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:31,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:31,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:31,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:31,790 INFO L87 Difference]: Start difference. First operand 2295 states and 2902 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:33,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:33,036 INFO L93 Difference]: Finished difference Result 5509 states and 7126 transitions. [2022-11-18 19:33:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:33,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 221 [2022-11-18 19:33:33,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:33,049 INFO L225 Difference]: With dead ends: 5509 [2022-11-18 19:33:33,049 INFO L226 Difference]: Without dead ends: 3400 [2022-11-18 19:33:33,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:33,054 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 168 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:33,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 347 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:33:33,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3400 states. [2022-11-18 19:33:33,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3400 to 3400. [2022-11-18 19:33:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3400 states, 3399 states have (on average 1.2350691379817593) internal successors, (4198), 3399 states have internal predecessors, (4198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3400 states and 4198 transitions. [2022-11-18 19:33:33,133 INFO L78 Accepts]: Start accepts. Automaton has 3400 states and 4198 transitions. Word has length 221 [2022-11-18 19:33:33,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:33,134 INFO L495 AbstractCegarLoop]: Abstraction has 3400 states and 4198 transitions. [2022-11-18 19:33:33,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:33,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 4198 transitions. [2022-11-18 19:33:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-18 19:33:33,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:33,140 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:33,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:33:33,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:33,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:33,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1786639215, now seen corresponding path program 1 times [2022-11-18 19:33:33,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:33,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035333809] [2022-11-18 19:33:33,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:33,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-18 19:33:33,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:33,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035333809] [2022-11-18 19:33:33,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035333809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:33,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:33,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:33,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611499605] [2022-11-18 19:33:33,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:33,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:33,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:33,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:33,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:33,477 INFO L87 Difference]: Start difference. First operand 3400 states and 4198 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:34,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:34,736 INFO L93 Difference]: Finished difference Result 7913 states and 9909 transitions. [2022-11-18 19:33:34,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:34,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 227 [2022-11-18 19:33:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:34,755 INFO L225 Difference]: With dead ends: 7913 [2022-11-18 19:33:34,756 INFO L226 Difference]: Without dead ends: 4699 [2022-11-18 19:33:34,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:34,761 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 157 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:34,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 384 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-18 19:33:34,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2022-11-18 19:33:34,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4689. [2022-11-18 19:33:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4689 states, 4688 states have (on average 1.2137372013651877) internal successors, (5690), 4688 states have internal predecessors, (5690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:34,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4689 states and 5690 transitions. [2022-11-18 19:33:34,868 INFO L78 Accepts]: Start accepts. Automaton has 4689 states and 5690 transitions. Word has length 227 [2022-11-18 19:33:34,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:34,869 INFO L495 AbstractCegarLoop]: Abstraction has 4689 states and 5690 transitions. [2022-11-18 19:33:34,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:34,869 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 5690 transitions. [2022-11-18 19:33:34,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-18 19:33:34,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:34,878 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:34,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:33:34,879 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:34,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:34,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1830859079, now seen corresponding path program 1 times [2022-11-18 19:33:34,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:34,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350874091] [2022-11-18 19:33:34,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:34,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-18 19:33:35,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:35,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350874091] [2022-11-18 19:33:35,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350874091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:35,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:35,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:35,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486513306] [2022-11-18 19:33:35,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:35,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:35,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:35,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:35,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:35,229 INFO L87 Difference]: Start difference. First operand 4689 states and 5690 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:36,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:36,304 INFO L93 Difference]: Finished difference Result 10682 states and 13136 transitions. [2022-11-18 19:33:36,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:36,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 298 [2022-11-18 19:33:36,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:36,326 INFO L225 Difference]: With dead ends: 10682 [2022-11-18 19:33:36,326 INFO L226 Difference]: Without dead ends: 6179 [2022-11-18 19:33:36,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:36,332 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:36,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 344 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 19:33:36,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6179 states. [2022-11-18 19:33:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6179 to 5978. [2022-11-18 19:33:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5978 states, 5977 states have (on average 1.2007696168646478) internal successors, (7177), 5977 states have internal predecessors, (7177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:36,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5978 states to 5978 states and 7177 transitions. [2022-11-18 19:33:36,506 INFO L78 Accepts]: Start accepts. Automaton has 5978 states and 7177 transitions. Word has length 298 [2022-11-18 19:33:36,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:36,506 INFO L495 AbstractCegarLoop]: Abstraction has 5978 states and 7177 transitions. [2022-11-18 19:33:36,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 5978 states and 7177 transitions. [2022-11-18 19:33:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-18 19:33:36,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:36,518 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:36,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:33:36,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:36,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:36,523 INFO L85 PathProgramCache]: Analyzing trace with hash 719890930, now seen corresponding path program 1 times [2022-11-18 19:33:36,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:36,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334013494] [2022-11-18 19:33:36,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:36,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-18 19:33:36,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:36,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334013494] [2022-11-18 19:33:36,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334013494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:36,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:36,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:36,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999457504] [2022-11-18 19:33:36,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:36,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:36,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:36,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:36,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:36,814 INFO L87 Difference]: Start difference. First operand 5978 states and 7177 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:37,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:37,768 INFO L93 Difference]: Finished difference Result 11739 states and 14076 transitions. [2022-11-18 19:33:37,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:37,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 301 [2022-11-18 19:33:37,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:37,783 INFO L225 Difference]: With dead ends: 11739 [2022-11-18 19:33:37,783 INFO L226 Difference]: Without dead ends: 5763 [2022-11-18 19:33:37,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:37,790 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 159 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:37,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 151 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 19:33:37,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5763 states. [2022-11-18 19:33:37,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5763 to 5578. [2022-11-18 19:33:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5578 states, 5577 states have (on average 1.1468531468531469) internal successors, (6396), 5577 states have internal predecessors, (6396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5578 states to 5578 states and 6396 transitions. [2022-11-18 19:33:37,901 INFO L78 Accepts]: Start accepts. Automaton has 5578 states and 6396 transitions. Word has length 301 [2022-11-18 19:33:37,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:37,902 INFO L495 AbstractCegarLoop]: Abstraction has 5578 states and 6396 transitions. [2022-11-18 19:33:37,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 5578 states and 6396 transitions. [2022-11-18 19:33:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-11-18 19:33:37,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:37,954 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:37,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:33:37,954 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:37,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:37,955 INFO L85 PathProgramCache]: Analyzing trace with hash 142462327, now seen corresponding path program 1 times [2022-11-18 19:33:37,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:37,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922629940] [2022-11-18 19:33:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:37,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-11-18 19:33:38,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:38,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922629940] [2022-11-18 19:33:38,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922629940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:38,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:38,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:33:38,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368744716] [2022-11-18 19:33:38,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:38,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:38,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:38,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:38,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:38,335 INFO L87 Difference]: Start difference. First operand 5578 states and 6396 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:38,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:38,877 INFO L93 Difference]: Finished difference Result 11150 states and 12786 transitions. [2022-11-18 19:33:38,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:38,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 379 [2022-11-18 19:33:38,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:38,894 INFO L225 Difference]: With dead ends: 11150 [2022-11-18 19:33:38,894 INFO L226 Difference]: Without dead ends: 5574 [2022-11-18 19:33:38,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:38,900 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:38,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-18 19:33:38,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5574 states. [2022-11-18 19:33:38,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5574 to 5574. [2022-11-18 19:33:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5574 states, 5573 states have (on average 1.1462408038758298) internal successors, (6388), 5573 states have internal predecessors, (6388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5574 states to 5574 states and 6388 transitions. [2022-11-18 19:33:38,993 INFO L78 Accepts]: Start accepts. Automaton has 5574 states and 6388 transitions. Word has length 379 [2022-11-18 19:33:38,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:38,994 INFO L495 AbstractCegarLoop]: Abstraction has 5574 states and 6388 transitions. [2022-11-18 19:33:38,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 5574 states and 6388 transitions. [2022-11-18 19:33:39,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-11-18 19:33:39,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:39,040 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:39,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:33:39,040 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:39,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:39,041 INFO L85 PathProgramCache]: Analyzing trace with hash -180803510, now seen corresponding path program 1 times [2022-11-18 19:33:39,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:39,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760910507] [2022-11-18 19:33:39,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:39,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-18 19:33:39,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:39,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760910507] [2022-11-18 19:33:39,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760910507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:39,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:39,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:39,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303036480] [2022-11-18 19:33:39,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:39,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:39,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:39,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:39,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:39,451 INFO L87 Difference]: Start difference. First operand 5574 states and 6388 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:40,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:40,546 INFO L93 Difference]: Finished difference Result 12632 states and 14466 transitions. [2022-11-18 19:33:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:40,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 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 411 [2022-11-18 19:33:40,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:40,577 INFO L225 Difference]: With dead ends: 12632 [2022-11-18 19:33:40,583 INFO L226 Difference]: Without dead ends: 7060 [2022-11-18 19:33:40,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:40,594 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:40,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 179 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 19:33:40,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7060 states. [2022-11-18 19:33:40,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7060 to 6862. [2022-11-18 19:33:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6862 states, 6861 states have (on average 1.1380265267453724) internal successors, (7808), 6861 states have internal predecessors, (7808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6862 states to 6862 states and 7808 transitions. [2022-11-18 19:33:40,733 INFO L78 Accepts]: Start accepts. Automaton has 6862 states and 7808 transitions. Word has length 411 [2022-11-18 19:33:40,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:40,734 INFO L495 AbstractCegarLoop]: Abstraction has 6862 states and 7808 transitions. [2022-11-18 19:33:40,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 6862 states and 7808 transitions. [2022-11-18 19:33:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-11-18 19:33:40,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:40,755 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 19:33:40,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:33:40,756 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:40,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1611250862, now seen corresponding path program 1 times [2022-11-18 19:33:40,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:40,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159651331] [2022-11-18 19:33:40,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:40,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-18 19:33:41,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:41,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159651331] [2022-11-18 19:33:41,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159651331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:41,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:41,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:41,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646466468] [2022-11-18 19:33:41,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:41,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:41,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:41,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:41,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:41,178 INFO L87 Difference]: Start difference. First operand 6862 states and 7808 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:42,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:42,372 INFO L93 Difference]: Finished difference Result 15929 states and 18169 transitions. [2022-11-18 19:33:42,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:42,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 463 [2022-11-18 19:33:42,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:42,395 INFO L225 Difference]: With dead ends: 15929 [2022-11-18 19:33:42,396 INFO L226 Difference]: Without dead ends: 8517 [2022-11-18 19:33:42,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:42,404 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 64 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:42,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 351 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:33:42,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8517 states. [2022-11-18 19:33:42,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8517 to 8333. [2022-11-18 19:33:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8333 states, 8332 states have (on average 1.1331012962073932) internal successors, (9441), 8332 states have internal predecessors, (9441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:42,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8333 states to 8333 states and 9441 transitions. [2022-11-18 19:33:42,559 INFO L78 Accepts]: Start accepts. Automaton has 8333 states and 9441 transitions. Word has length 463 [2022-11-18 19:33:42,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:42,560 INFO L495 AbstractCegarLoop]: Abstraction has 8333 states and 9441 transitions. [2022-11-18 19:33:42,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 8333 states and 9441 transitions. [2022-11-18 19:33:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2022-11-18 19:33:42,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:42,584 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:42,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:33:42,585 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:42,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:42,586 INFO L85 PathProgramCache]: Analyzing trace with hash -2033522650, now seen corresponding path program 1 times [2022-11-18 19:33:42,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:42,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499665028] [2022-11-18 19:33:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:42,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2022-11-18 19:33:43,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:43,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499665028] [2022-11-18 19:33:43,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499665028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:43,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:43,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:43,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198818341] [2022-11-18 19:33:43,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:43,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:43,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:43,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:43,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:43,257 INFO L87 Difference]: Start difference. First operand 8333 states and 9441 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:44,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:44,412 INFO L93 Difference]: Finished difference Result 19072 states and 21665 transitions. [2022-11-18 19:33:44,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:44,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 499 [2022-11-18 19:33:44,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:44,432 INFO L225 Difference]: With dead ends: 19072 [2022-11-18 19:33:44,433 INFO L226 Difference]: Without dead ends: 10741 [2022-11-18 19:33:44,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:44,442 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 139 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:44,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 134 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 19:33:44,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10741 states. [2022-11-18 19:33:44,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10741 to 10553. [2022-11-18 19:33:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10553 states, 10552 states have (on average 1.1254738438210765) internal successors, (11876), 10552 states have internal predecessors, (11876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10553 states to 10553 states and 11876 transitions. [2022-11-18 19:33:44,618 INFO L78 Accepts]: Start accepts. Automaton has 10553 states and 11876 transitions. Word has length 499 [2022-11-18 19:33:44,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:44,619 INFO L495 AbstractCegarLoop]: Abstraction has 10553 states and 11876 transitions. [2022-11-18 19:33:44,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 10553 states and 11876 transitions. [2022-11-18 19:33:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-11-18 19:33:44,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:44,640 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-11-18 19:33:44,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:33:44,640 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:44,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:44,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1343348106, now seen corresponding path program 1 times [2022-11-18 19:33:44,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:44,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573013399] [2022-11-18 19:33:44,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:44,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-18 19:33:45,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:45,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573013399] [2022-11-18 19:33:45,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573013399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:45,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:45,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:45,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221972186] [2022-11-18 19:33:45,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:45,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:45,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:45,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:45,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:45,262 INFO L87 Difference]: Start difference. First operand 10553 states and 11876 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:46,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:46,499 INFO L93 Difference]: Finished difference Result 24419 states and 27484 transitions. [2022-11-18 19:33:46,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:46,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 503 [2022-11-18 19:33:46,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:46,525 INFO L225 Difference]: With dead ends: 24419 [2022-11-18 19:33:46,525 INFO L226 Difference]: Without dead ends: 13868 [2022-11-18 19:33:46,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:46,534 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 125 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:46,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 79 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-18 19:33:46,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13868 states. [2022-11-18 19:33:46,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13868 to 13121. [2022-11-18 19:33:46,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13121 states, 13120 states have (on average 1.118216463414634) internal successors, (14671), 13120 states have internal predecessors, (14671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13121 states to 13121 states and 14671 transitions. [2022-11-18 19:33:46,754 INFO L78 Accepts]: Start accepts. Automaton has 13121 states and 14671 transitions. Word has length 503 [2022-11-18 19:33:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:46,754 INFO L495 AbstractCegarLoop]: Abstraction has 13121 states and 14671 transitions. [2022-11-18 19:33:46,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 13121 states and 14671 transitions. [2022-11-18 19:33:46,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2022-11-18 19:33:46,776 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:46,777 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:46,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:33:46,777 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:46,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:46,778 INFO L85 PathProgramCache]: Analyzing trace with hash 101919231, now seen corresponding path program 1 times [2022-11-18 19:33:46,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:46,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572322566] [2022-11-18 19:33:46,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:46,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:48,939 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 228 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-18 19:33:48,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:48,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572322566] [2022-11-18 19:33:48,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572322566] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:33:48,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351896290] [2022-11-18 19:33:48,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:48,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:33:48,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:33:48,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:33:48,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:33:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:49,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:33:49,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:33:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-11-18 19:33:49,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:33:49,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351896290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:49,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:33:49,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-11-18 19:33:49,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363374394] [2022-11-18 19:33:49,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:49,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:49,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:49,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:49,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:33:49,601 INFO L87 Difference]: Start difference. First operand 13121 states and 14671 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:50,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:50,592 INFO L93 Difference]: Finished difference Result 15147 states and 16897 transitions. [2022-11-18 19:33:50,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:50,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 509 [2022-11-18 19:33:50,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:50,616 INFO L225 Difference]: With dead ends: 15147 [2022-11-18 19:33:50,616 INFO L226 Difference]: Without dead ends: 15145 [2022-11-18 19:33:50,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:33:50,621 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 182 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:50,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 137 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 19:33:50,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15145 states. [2022-11-18 19:33:50,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15145 to 13121. [2022-11-18 19:33:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13121 states, 13120 states have (on average 1.118140243902439) internal successors, (14670), 13120 states have internal predecessors, (14670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:50,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13121 states to 13121 states and 14670 transitions. [2022-11-18 19:33:50,842 INFO L78 Accepts]: Start accepts. Automaton has 13121 states and 14670 transitions. Word has length 509 [2022-11-18 19:33:50,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:50,843 INFO L495 AbstractCegarLoop]: Abstraction has 13121 states and 14670 transitions. [2022-11-18 19:33:50,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:50,844 INFO L276 IsEmpty]: Start isEmpty. Operand 13121 states and 14670 transitions. [2022-11-18 19:33:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-11-18 19:33:50,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:50,867 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:50,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:33:51,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-18 19:33:51,075 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:51,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:51,075 INFO L85 PathProgramCache]: Analyzing trace with hash -465150684, now seen corresponding path program 1 times [2022-11-18 19:33:51,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:51,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058894501] [2022-11-18 19:33:51,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:51,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-18 19:33:51,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:51,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058894501] [2022-11-18 19:33:51,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058894501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:51,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:51,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:51,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076454824] [2022-11-18 19:33:51,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:51,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:33:51,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:51,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:33:51,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:33:51,815 INFO L87 Difference]: Start difference. First operand 13121 states and 14670 transitions. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:53,644 INFO L93 Difference]: Finished difference Result 34169 states and 37973 transitions. [2022-11-18 19:33:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:33:53,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 575 [2022-11-18 19:33:53,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:53,682 INFO L225 Difference]: With dead ends: 34169 [2022-11-18 19:33:53,682 INFO L226 Difference]: Without dead ends: 21050 [2022-11-18 19:33:53,694 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 [2022-11-18 19:33:53,694 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 157 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:53,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 72 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-18 19:33:53,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21050 states. [2022-11-18 19:33:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21050 to 19571. [2022-11-18 19:33:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19571 states, 19570 states have (on average 1.1077669902912621) internal successors, (21679), 19570 states have internal predecessors, (21679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:54,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19571 states to 19571 states and 21679 transitions. [2022-11-18 19:33:54,160 INFO L78 Accepts]: Start accepts. Automaton has 19571 states and 21679 transitions. Word has length 575 [2022-11-18 19:33:54,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:54,161 INFO L495 AbstractCegarLoop]: Abstraction has 19571 states and 21679 transitions. [2022-11-18 19:33:54,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 19571 states and 21679 transitions. [2022-11-18 19:33:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-11-18 19:33:54,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:54,194 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:54,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:33:54,195 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:54,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash -2090442296, now seen corresponding path program 1 times [2022-11-18 19:33:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:54,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327393401] [2022-11-18 19:33:54,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:54,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:54,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 527 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2022-11-18 19:33:54,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:54,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327393401] [2022-11-18 19:33:54,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327393401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:54,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:54,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:54,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120946340] [2022-11-18 19:33:54,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:54,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:54,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:54,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:54,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:54,668 INFO L87 Difference]: Start difference. First operand 19571 states and 21679 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) [2022-11-18 19:33:55,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:55,899 INFO L93 Difference]: Finished difference Result 39320 states and 43587 transitions. [2022-11-18 19:33:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:55,899 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 626 [2022-11-18 19:33:55,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:55,938 INFO L225 Difference]: With dead ends: 39320 [2022-11-18 19:33:55,939 INFO L226 Difference]: Without dead ends: 22331 [2022-11-18 19:33:55,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:55,946 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 146 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:55,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 112 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 19:33:55,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22331 states. [2022-11-18 19:33:56,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22331 to 19939. [2022-11-18 19:33:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19939 states, 19938 states have (on average 1.1019660948941719) internal successors, (21971), 19938 states have internal predecessors, (21971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19939 states to 19939 states and 21971 transitions. [2022-11-18 19:33:56,302 INFO L78 Accepts]: Start accepts. Automaton has 19939 states and 21971 transitions. Word has length 626 [2022-11-18 19:33:56,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:56,303 INFO L495 AbstractCegarLoop]: Abstraction has 19939 states and 21971 transitions. [2022-11-18 19:33:56,304 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) [2022-11-18 19:33:56,304 INFO L276 IsEmpty]: Start isEmpty. Operand 19939 states and 21971 transitions. [2022-11-18 19:33:56,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2022-11-18 19:33:56,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:56,329 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 19:33:56,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 19:33:56,330 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:56,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:56,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1352424580, now seen corresponding path program 1 times [2022-11-18 19:33:56,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:56,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638670179] [2022-11-18 19:33:56,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:56,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1217 backedges. 527 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2022-11-18 19:33:56,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:56,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638670179] [2022-11-18 19:33:56,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638670179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:56,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:56,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:56,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685275851] [2022-11-18 19:33:56,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:56,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:56,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:56,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:56,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:56,875 INFO L87 Difference]: Start difference. First operand 19939 states and 21971 transitions. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:57,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:57,895 INFO L93 Difference]: Finished difference Result 40795 states and 44946 transitions. [2022-11-18 19:33:57,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:57,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 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 659 [2022-11-18 19:33:57,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:57,928 INFO L225 Difference]: With dead ends: 40795 [2022-11-18 19:33:57,929 INFO L226 Difference]: Without dead ends: 21226 [2022-11-18 19:33:57,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:57,941 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 115 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:57,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 137 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-18 19:33:57,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21226 states. [2022-11-18 19:33:58,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21226 to 19193. [2022-11-18 19:33:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19193 states, 19192 states have (on average 1.0982180075031263) internal successors, (21077), 19192 states have internal predecessors, (21077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:58,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19193 states to 19193 states and 21077 transitions. [2022-11-18 19:33:58,277 INFO L78 Accepts]: Start accepts. Automaton has 19193 states and 21077 transitions. Word has length 659 [2022-11-18 19:33:58,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:58,278 INFO L495 AbstractCegarLoop]: Abstraction has 19193 states and 21077 transitions. [2022-11-18 19:33:58,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:58,278 INFO L276 IsEmpty]: Start isEmpty. Operand 19193 states and 21077 transitions. [2022-11-18 19:33:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-11-18 19:33:58,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:33:58,308 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:33:58,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 19:33:58,309 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:33:58,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:33:58,310 INFO L85 PathProgramCache]: Analyzing trace with hash -58290927, now seen corresponding path program 1 times [2022-11-18 19:33:58,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:33:58,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999621258] [2022-11-18 19:33:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:33:58,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:33:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:33:58,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 1039 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2022-11-18 19:33:58,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:33:58,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999621258] [2022-11-18 19:33:58,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999621258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:33:58,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:33:58,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:33:58,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972026882] [2022-11-18 19:33:58,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:33:58,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:33:58,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:33:58,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:33:58,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:58,954 INFO L87 Difference]: Start difference. First operand 19193 states and 21077 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:59,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:33:59,957 INFO L93 Difference]: Finished difference Result 36909 states and 40477 transitions. [2022-11-18 19:33:59,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:33:59,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 708 [2022-11-18 19:33:59,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:33:59,959 INFO L225 Difference]: With dead ends: 36909 [2022-11-18 19:33:59,959 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:33:59,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:33:59,971 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 46 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-18 19:33:59,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 338 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-18 19:33:59,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:33:59,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:33:59,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:33:59,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 708 [2022-11-18 19:33:59,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:33:59,973 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:33:59,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:33:59,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:33:59,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:33:59,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:33:59,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 19:33:59,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:34:05,584 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-11-18 19:34:05,585 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,585 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-11-18 19:34:05,585 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,585 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,585 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,586 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,586 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,586 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,586 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-11-18 19:34:05,586 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-11-18 19:34:05,586 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-18 19:34:05,586 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,587 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,587 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,587 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,587 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,587 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,587 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,587 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,588 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,588 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,588 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-11-18 19:34:05,588 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-11-18 19:34:05,588 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-11-18 19:34:05,588 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,588 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-11-18 19:34:05,589 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-11-18 19:34:05,589 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,589 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,589 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,589 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,589 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,589 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,590 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-18 19:34:05,590 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-11-18 19:34:05,590 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-18 19:34:05,590 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,590 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,590 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,591 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse14 (<= .cse15 0))) (let ((.cse0 (= ~a25~0 12)) (.cse10 (<= 139 ~a23~0)) (.cse11 (<= ~a29~0 130)) (.cse7 (= ~a25~0 13)) (.cse4 (<= ~a29~0 274)) (.cse12 (<= ~a29~0 140)) (.cse1 (= ~a4~0 0)) (.cse13 (<= ~a25~0 10)) (.cse9 (<= ~a23~0 312)) (.cse3 (= ~a25~0 11)) (.cse2 (<= ~a8~0 15)) (.cse8 (not .cse14)) (.cse5 (= ~a4~0 1)) (.cse6 (<= 246 ~a29~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse8 .cse9) (and .cse7 .cse10 .cse2 .cse5) (and .cse0 .cse2 .cse5 .cse11) (and .cse0 .cse10 .cse2 .cse5) (and .cse12 .cse1 .cse3 .cse2 .cse9) (and .cse3 .cse10 .cse2 .cse5 .cse9) (and .cse13 .cse2 .cse5) (and .cse1 .cse2 (= ~a25~0 10) .cse11) (and .cse3 .cse2 (<= ~a29~0 220) .cse5 (<= 312 ~a23~0)) (and .cse14 .cse1 .cse13 .cse2 .cse6) (and .cse14 .cse1 .cse13 .cse2 .cse11) (and .cse7 .cse4 .cse2 .cse5) (and .cse1 .cse3 .cse2 .cse9 .cse6) (and .cse12 .cse1 (< 0 .cse15) .cse13 .cse2 .cse9) (and .cse3 .cse2 .cse8 .cse5 .cse6))))) [2022-11-18 19:34:05,591 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,591 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-11-18 19:34:05,591 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-11-18 19:34:05,592 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,592 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,592 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,592 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,592 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,592 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,592 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-11-18 19:34:05,593 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-11-18 19:34:05,593 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-11-18 19:34:05,593 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-11-18 19:34:05,593 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,593 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,593 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,593 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,594 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,594 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,594 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,594 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-11-18 19:34:05,594 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-11-18 19:34:05,594 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-18 19:34:05,595 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,595 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,595 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,595 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,595 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,595 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,595 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,596 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,596 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,596 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-18 19:34:05,596 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-11-18 19:34:05,596 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-11-18 19:34:05,596 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,597 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse15 (+ ~a23~0 43))) (let ((.cse14 (<= .cse15 0))) (let ((.cse0 (= ~a25~0 12)) (.cse10 (<= 139 ~a23~0)) (.cse11 (<= ~a29~0 130)) (.cse7 (= ~a25~0 13)) (.cse4 (<= ~a29~0 274)) (.cse12 (<= ~a29~0 140)) (.cse1 (= ~a4~0 0)) (.cse13 (<= ~a25~0 10)) (.cse9 (<= ~a23~0 312)) (.cse3 (= ~a25~0 11)) (.cse2 (<= ~a8~0 15)) (.cse8 (not .cse14)) (.cse5 (= ~a4~0 1)) (.cse6 (<= 246 ~a29~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse8 .cse9) (and .cse7 .cse10 .cse2 .cse5) (and .cse0 .cse2 .cse5 .cse11) (and .cse0 .cse10 .cse2 .cse5) (and .cse12 .cse1 .cse3 .cse2 .cse9) (and .cse3 .cse10 .cse2 .cse5 .cse9) (and .cse13 .cse2 .cse5) (and .cse1 .cse2 (= ~a25~0 10) .cse11) (and .cse3 .cse2 (<= ~a29~0 220) .cse5 (<= 312 ~a23~0)) (and .cse14 .cse1 .cse13 .cse2 .cse6) (and .cse14 .cse1 .cse13 .cse2 .cse11) (and .cse7 .cse4 .cse2 .cse5) (and .cse1 .cse3 .cse2 .cse9 .cse6) (and .cse12 .cse1 (< 0 .cse15) .cse13 .cse2 .cse9) (and .cse3 .cse2 .cse8 .cse5 .cse6))))) [2022-11-18 19:34:05,597 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,597 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,597 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,597 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,597 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,597 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,598 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,598 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,598 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-11-18 19:34:05,598 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-11-18 19:34:05,598 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-18 19:34:05,598 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-11-18 19:34:05,598 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-11-18 19:34:05,599 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-11-18 19:34:05,599 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-11-18 19:34:05,599 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,599 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,599 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,599 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,600 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,600 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,600 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,600 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,600 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,600 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,601 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:34:05,601 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-11-18 19:34:05,601 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-11-18 19:34:05,601 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-18 19:34:05,601 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-11-18 19:34:05,601 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,601 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,602 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,602 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,602 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,602 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-18 19:34:05,602 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-11-18 19:34:05,602 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-11-18 19:34:05,602 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,603 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,603 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,603 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,603 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-11-18 19:34:05,603 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-11-18 19:34:05,603 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,604 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,604 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,604 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,604 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,604 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,604 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-11-18 19:34:05,605 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-11-18 19:34:05,605 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,605 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,605 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-18 19:34:05,605 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-11-18 19:34:05,605 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-11-18 19:34:05,605 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:34:05,606 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2022-11-18 19:34:05,606 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,606 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,606 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,606 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,606 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,607 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,607 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,607 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-11-18 19:34:05,607 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-11-18 19:34:05,607 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-11-18 19:34:05,607 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-11-18 19:34:05,608 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-11-18 19:34:05,608 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-11-18 19:34:05,608 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-11-18 19:34:05,608 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,608 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,608 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-11-18 19:34:05,608 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-11-18 19:34:05,609 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,609 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,609 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,609 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,609 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,609 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-11-18 19:34:05,609 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-18 19:34:05,610 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-18 19:34:05,610 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,610 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,610 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,610 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,610 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,610 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,611 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-11-18 19:34:05,611 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-11-18 19:34:05,611 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-18 19:34:05,611 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,611 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,611 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,611 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,612 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,612 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,612 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,612 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,612 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-11-18 19:34:05,612 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-11-18 19:34:05,613 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-18 19:34:05,613 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,613 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,613 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,613 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,613 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,613 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,614 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,614 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,614 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,614 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,614 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,614 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-11-18 19:34:05,614 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-11-18 19:34:05,615 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-18 19:34:05,615 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-18 19:34:05,615 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-11-18 19:34:05,615 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,615 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,615 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,615 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,616 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,616 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,616 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,616 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-11-18 19:34:05,616 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-11-18 19:34:05,616 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-18 19:34:05,616 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,617 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,617 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,617 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-11-18 19:34:05,617 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-11-18 19:34:05,617 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,617 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,617 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-11-18 19:34:05,618 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:34:05,619 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,619 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,619 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,619 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,619 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,620 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-11-18 19:34:05,620 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-11-18 19:34:05,620 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-11-18 19:34:05,620 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-11-18 19:34:05,620 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,620 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,620 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,621 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,621 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,621 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,621 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,621 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,621 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-11-18 19:34:05,621 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-11-18 19:34:05,622 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-11-18 19:34:05,622 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-11-18 19:34:05,622 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-11-18 19:34:05,622 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-11-18 19:34:05,622 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,622 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,623 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,623 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,623 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,623 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,623 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,623 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-18 19:34:05,623 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-11-18 19:34:05,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:34:05,624 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,624 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,624 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,624 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,624 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,625 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,625 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-11-18 19:34:05,625 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-11-18 19:34:05,625 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,625 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,625 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,625 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,626 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,626 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,626 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,626 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-11-18 19:34:05,626 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-11-18 19:34:05,626 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,626 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,627 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-18 19:34:05,627 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-11-18 19:34:05,627 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-18 19:34:05,627 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-11-18 19:34:05,630 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] [2022-11-18 19:34:05,633 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:34:05,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:34:05 BoogieIcfgContainer [2022-11-18 19:34:05,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:34:05,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:34:05,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:34:05,680 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:34:05,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:33:21" (3/4) ... [2022-11-18 19:34:05,683 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:34:05,709 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-18 19:34:05,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-18 19:34:05,721 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 19:34:05,722 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:34:05,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:34:05,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:34:05,878 INFO L158 Benchmark]: Toolchain (without parser) took 48267.95ms. Allocated memory was 123.7MB in the beginning and 1.0GB in the end (delta: 922.7MB). Free memory was 78.8MB in the beginning and 964.2MB in the end (delta: -885.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-18 19:34:05,878 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:34:05,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1184.68ms. Allocated memory is still 123.7MB. Free memory was 78.6MB in the beginning and 64.6MB in the end (delta: 14.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-18 19:34:05,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 271.77ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 64.6MB in the beginning and 131.5MB in the end (delta: -66.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-18 19:34:05,885 INFO L158 Benchmark]: Boogie Preprocessor took 177.96ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 121.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:34:05,886 INFO L158 Benchmark]: RCFGBuilder took 2529.05ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 77.9MB in the end (delta: 44.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-18 19:34:05,886 INFO L158 Benchmark]: TraceAbstraction took 43895.73ms. Allocated memory was 169.9MB in the beginning and 1.0GB in the end (delta: 876.6MB). Free memory was 76.8MB in the beginning and 980.0MB in the end (delta: -903.1MB). Peak memory consumption was 631.0MB. Max. memory is 16.1GB. [2022-11-18 19:34:05,886 INFO L158 Benchmark]: Witness Printer took 198.14ms. Allocated memory is still 1.0GB. Free memory was 980.0MB in the beginning and 964.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 19:34:05,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1184.68ms. Allocated memory is still 123.7MB. Free memory was 78.6MB in the beginning and 64.6MB in the end (delta: 14.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 271.77ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 64.6MB in the beginning and 131.5MB in the end (delta: -66.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.96ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 121.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2529.05ms. Allocated memory is still 169.9MB. Free memory was 121.9MB in the beginning and 77.9MB in the end (delta: 44.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 43895.73ms. Allocated memory was 169.9MB in the beginning and 1.0GB in the end (delta: 876.6MB). Free memory was 76.8MB in the beginning and 980.0MB in the end (delta: -903.1MB). Peak memory consumption was 631.0MB. Max. memory is 16.1GB. * Witness Printer took 198.14ms. Allocated memory is still 1.0GB. Free memory was 980.0MB in the beginning and 964.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 133]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.8s, OverallIterations: 19, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 23.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2629 SdHoareTripleChecker+Valid, 20.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2629 mSDsluCounter, 3790 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 396 mSDsCounter, 1702 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10656 IncrementalHoareTripleChecker+Invalid, 12358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1702 mSolverCounterUnsat, 3394 mSDtfsCounter, 10656 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 562 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19939occurred in iteration=17, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 9660 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 207 NumberOfFragments, 523 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1986 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7840 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 7460 NumberOfCodeBlocks, 7460 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 7440 ConstructedInterpolants, 0 QuantifiedInterpolants, 14418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 688 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 20 InterpolantComputations, 19 PerfectInterpolantSequences, 10110/10516 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((a25 == 12 && a4 == 0) && a8 <= 15) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || ((((a25 == 13 && a4 == 0) && a8 <= 15) && !(a23 + 43 <= 0)) && a23 <= 312)) || (((a25 == 13 && 139 <= a23) && a8 <= 15) && a4 == 1)) || (((a25 == 12 && a8 <= 15) && a4 == 1) && a29 <= 130)) || (((a25 == 12 && 139 <= a23) && a8 <= 15) && a4 == 1)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && 139 <= a23) && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || (((a4 == 0 && a8 <= 15) && a25 == 10) && a29 <= 130)) || ((((a25 == 11 && a8 <= 15) && a29 <= 220) && a4 == 1) && 312 <= a23)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && 246 <= a29)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 130)) || (((a25 == 13 && a29 <= 274) && a8 <= 15) && a4 == 1)) || ((((a4 == 0 && a25 == 11) && a8 <= 15) && a23 <= 312) && 246 <= a29)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && a8 <= 15) && !(a23 + 43 <= 0)) && a4 == 1) && 246 <= a29) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((a25 == 12 && a4 == 0) && a8 <= 15) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || ((((a25 == 13 && a4 == 0) && a8 <= 15) && !(a23 + 43 <= 0)) && a23 <= 312)) || (((a25 == 13 && 139 <= a23) && a8 <= 15) && a4 == 1)) || (((a25 == 12 && a8 <= 15) && a4 == 1) && a29 <= 130)) || (((a25 == 12 && 139 <= a23) && a8 <= 15) && a4 == 1)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && 139 <= a23) && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || (((a4 == 0 && a8 <= 15) && a25 == 10) && a29 <= 130)) || ((((a25 == 11 && a8 <= 15) && a29 <= 220) && a4 == 1) && 312 <= a23)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && 246 <= a29)) || ((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 130)) || (((a25 == 13 && a29 <= 274) && a8 <= 15) && a4 == 1)) || ((((a4 == 0 && a25 == 11) && a8 <= 15) && a23 <= 312) && 246 <= a29)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && a8 <= 15) && !(a23 + 43 <= 0)) && a4 == 1) && 246 <= a29) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 19:34:05,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df504df-ae54-41a4-8572-e8fab325933e/bin/uautomizer-TMbwUNV5ro/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