./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa --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 8f2d01fae317b054ddf6fc311dfbe1142cfd4012ffbce2b7f37ce8e1b21b188d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:40:05,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:40:05,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:40:05,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:40:05,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:40:05,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:40:05,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:40:05,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:40:05,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:40:05,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:40:05,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:40:05,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:40:05,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:40:05,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:40:05,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:40:05,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:40:05,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:40:05,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:40:05,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:40:05,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:40:05,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:40:05,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:40:05,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:40:05,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:40:05,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:40:05,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:40:05,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:40:05,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:40:05,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:40:05,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:40:05,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:40:05,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:40:05,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:40:05,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:40:05,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:40:05,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:40:05,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:40:05,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:40:05,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:40:05,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:40:05,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:40:05,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:40:05,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:40:05,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:40:05,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:40:05,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:40:05,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:40:05,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:40:05,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:40:05,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:40:05,127 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:40:05,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:40:05,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:40:05,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:40:05,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:40:05,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:40:05,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:40:05,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:40:05,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:40:05,129 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:40:05,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:40:05,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:40:05,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:40:05,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:40:05,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:40:05,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:40:05,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:40:05,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:40:05,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:40:05,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:40:05,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:40:05,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:40:05,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:40:05,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:40:05,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:40:05,131 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:40:05,131 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_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f2d01fae317b054ddf6fc311dfbe1142cfd4012ffbce2b7f37ce8e1b21b188d [2021-12-06 20:40:05,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:40:05,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:40:05,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:40:05,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:40:05,335 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:40:05,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem17_label27.c [2021-12-06 20:40:05,385 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/data/3357a5419/cc3e8e42f67f47a9b670a009a9bd33b3/FLAG228720adf [2021-12-06 20:40:05,948 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:40:05,949 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/sv-benchmarks/c/eca-rers2012/Problem17_label27.c [2021-12-06 20:40:05,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/data/3357a5419/cc3e8e42f67f47a9b670a009a9bd33b3/FLAG228720adf [2021-12-06 20:40:06,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/data/3357a5419/cc3e8e42f67f47a9b670a009a9bd33b3 [2021-12-06 20:40:06,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:40:06,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:40:06,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:40:06,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:40:06,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:40:06,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:40:06" (1/1) ... [2021-12-06 20:40:06,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2532e4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:06, skipping insertion in model container [2021-12-06 20:40:06,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:40:06" (1/1) ... [2021-12-06 20:40:06,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:40:06,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:40:06,606 WARN L230 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_eebd066e-305e-4bc9-8693-288a58915d82/sv-benchmarks/c/eca-rers2012/Problem17_label27.c[6203,6216] [2021-12-06 20:40:07,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:40:07,061 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:40:07,085 WARN L230 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_eebd066e-305e-4bc9-8693-288a58915d82/sv-benchmarks/c/eca-rers2012/Problem17_label27.c[6203,6216] [2021-12-06 20:40:07,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:40:07,350 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:40:07,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07 WrapperNode [2021-12-06 20:40:07,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:40:07,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:40:07,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:40:07,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:40:07,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,563 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2021-12-06 20:40:07,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:40:07,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:40:07,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:40:07,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:40:07,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:40:07,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:40:07,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:40:07,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:40:07,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (1/1) ... [2021-12-06 20:40:07,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:40:07,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:07,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:40:07,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:40:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:40:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:40:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:40:07,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:40:07,944 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:40:07,945 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:40:10,475 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:40:10,488 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:40:10,489 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:40:10,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:10 BoogieIcfgContainer [2021-12-06 20:40:10,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:40:10,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:40:10,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:40:10,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:40:10,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:40:06" (1/3) ... [2021-12-06 20:40:10,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6653448b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:40:10, skipping insertion in model container [2021-12-06 20:40:10,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:07" (2/3) ... [2021-12-06 20:40:10,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6653448b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:40:10, skipping insertion in model container [2021-12-06 20:40:10,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:10" (3/3) ... [2021-12-06 20:40:10,498 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem17_label27.c [2021-12-06 20:40:10,503 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:40:10,503 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:40:10,543 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:40:10,548 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:40:10,548 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:40:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 590 states, 588 states have (on average 1.8061224489795917) internal successors, (1062), 589 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 20:40:10,587 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:10,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:10,588 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:10,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:10,594 INFO L85 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2021-12-06 20:40:10,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:10,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111185944] [2021-12-06 20:40:10,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:10,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:10,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:10,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111185944] [2021-12-06 20:40:10,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111185944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:10,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:10,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:40:10,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111200926] [2021-12-06 20:40:10,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:10,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:10,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:10,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:10,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:10,797 INFO L87 Difference]: Start difference. First operand has 590 states, 588 states have (on average 1.8061224489795917) internal successors, (1062), 589 states have internal predecessors, (1062), 0 states have call successors, (0), 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 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:13,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:13,111 INFO L93 Difference]: Finished difference Result 1680 states and 3074 transitions. [2021-12-06 20:40:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:13,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2021-12-06 20:40:13,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:13,129 INFO L225 Difference]: With dead ends: 1680 [2021-12-06 20:40:13,129 INFO L226 Difference]: Without dead ends: 1011 [2021-12-06 20:40:13,133 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:13,135 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 540 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:13,136 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [540 Valid, 220 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 20:40:13,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2021-12-06 20:40:13,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 996. [2021-12-06 20:40:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 995 states have (on average 1.735678391959799) internal successors, (1727), 995 states have internal predecessors, (1727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1727 transitions. [2021-12-06 20:40:13,210 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1727 transitions. Word has length 41 [2021-12-06 20:40:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:13,211 INFO L470 AbstractCegarLoop]: Abstraction has 996 states and 1727 transitions. [2021-12-06 20:40:13,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1727 transitions. [2021-12-06 20:40:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 20:40:13,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:13,216 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:13,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:40:13,216 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:13,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:13,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1125860323, now seen corresponding path program 1 times [2021-12-06 20:40:13,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:13,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682574928] [2021-12-06 20:40:13,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:13,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:13,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:13,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682574928] [2021-12-06 20:40:13,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682574928] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:13,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:13,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:40:13,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317127583] [2021-12-06 20:40:13,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:13,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:13,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:13,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:13,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:13,320 INFO L87 Difference]: Start difference. First operand 996 states and 1727 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:15,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:15,343 INFO L93 Difference]: Finished difference Result 2871 states and 5025 transitions. [2021-12-06 20:40:15,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:15,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-12-06 20:40:15,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:15,353 INFO L225 Difference]: With dead ends: 2871 [2021-12-06 20:40:15,353 INFO L226 Difference]: Without dead ends: 1877 [2021-12-06 20:40:15,354 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:15,356 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 407 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:15,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 520 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 20:40:15,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2021-12-06 20:40:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1870. [2021-12-06 20:40:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1870 states, 1869 states have (on average 1.4719101123595506) internal successors, (2751), 1869 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2751 transitions. [2021-12-06 20:40:15,394 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2751 transitions. Word has length 106 [2021-12-06 20:40:15,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:15,395 INFO L470 AbstractCegarLoop]: Abstraction has 1870 states and 2751 transitions. [2021-12-06 20:40:15,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:15,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2751 transitions. [2021-12-06 20:40:15,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 20:40:15,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:15,398 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:15,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:40:15,398 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash 253179212, now seen corresponding path program 1 times [2021-12-06 20:40:15,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:15,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525698172] [2021-12-06 20:40:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:15,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:15,514 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:15,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:15,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525698172] [2021-12-06 20:40:15,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525698172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:15,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:15,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:15,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922542671] [2021-12-06 20:40:15,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:15,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:15,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:15,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:15,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:15,517 INFO L87 Difference]: Start difference. First operand 1870 states and 2751 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:17,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:17,425 INFO L93 Difference]: Finished difference Result 5454 states and 8039 transitions. [2021-12-06 20:40:17,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:17,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2021-12-06 20:40:17,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:17,440 INFO L225 Difference]: With dead ends: 5454 [2021-12-06 20:40:17,440 INFO L226 Difference]: Without dead ends: 3586 [2021-12-06 20:40:17,443 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:17,444 INFO L933 BasicCegarLoop]: 846 mSDtfsCounter, 453 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 1694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:17,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [453 Valid, 914 Invalid, 1694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-06 20:40:17,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2021-12-06 20:40:17,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3583. [2021-12-06 20:40:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3583 states, 3582 states have (on average 1.3355667225013959) internal successors, (4784), 3582 states have internal predecessors, (4784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4784 transitions. [2021-12-06 20:40:17,507 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4784 transitions. Word has length 111 [2021-12-06 20:40:17,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:17,507 INFO L470 AbstractCegarLoop]: Abstraction has 3583 states and 4784 transitions. [2021-12-06 20:40:17,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4784 transitions. [2021-12-06 20:40:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-06 20:40:17,510 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:17,510 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:17,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:40:17,510 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:17,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:17,511 INFO L85 PathProgramCache]: Analyzing trace with hash -111791273, now seen corresponding path program 1 times [2021-12-06 20:40:17,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:17,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120794449] [2021-12-06 20:40:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:17,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:17,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:17,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120794449] [2021-12-06 20:40:17,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120794449] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:17,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:17,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:40:17,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731536889] [2021-12-06 20:40:17,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:17,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:17,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:17,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:17,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:17,585 INFO L87 Difference]: Start difference. First operand 3583 states and 4784 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:19,098 INFO L93 Difference]: Finished difference Result 10571 states and 14108 transitions. [2021-12-06 20:40:19,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:19,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 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 152 [2021-12-06 20:40:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:19,116 INFO L225 Difference]: With dead ends: 10571 [2021-12-06 20:40:19,117 INFO L226 Difference]: Without dead ends: 5286 [2021-12-06 20:40:19,121 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:19,122 INFO L933 BasicCegarLoop]: 516 mSDtfsCounter, 347 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 548 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:19,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 591 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [548 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 20:40:19,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5286 states. [2021-12-06 20:40:19,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5286 to 4434. [2021-12-06 20:40:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4434 states, 4433 states have (on average 1.2091134671779833) internal successors, (5360), 4433 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:19,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 4434 states and 5360 transitions. [2021-12-06 20:40:19,194 INFO L78 Accepts]: Start accepts. Automaton has 4434 states and 5360 transitions. Word has length 152 [2021-12-06 20:40:19,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:19,195 INFO L470 AbstractCegarLoop]: Abstraction has 4434 states and 5360 transitions. [2021-12-06 20:40:19,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 2 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:19,195 INFO L276 IsEmpty]: Start isEmpty. Operand 4434 states and 5360 transitions. [2021-12-06 20:40:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-12-06 20:40:19,197 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:19,197 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:40:19,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:40:19,197 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:19,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1925292906, now seen corresponding path program 1 times [2021-12-06 20:40:19,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:19,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201952336] [2021-12-06 20:40:19,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:19,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:19,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:19,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201952336] [2021-12-06 20:40:19,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201952336] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:19,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:19,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:19,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325209556] [2021-12-06 20:40:19,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:19,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:19,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:19,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:19,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:19,277 INFO L87 Difference]: Start difference. First operand 4434 states and 5360 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:20,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:20,660 INFO L93 Difference]: Finished difference Result 11414 states and 14015 transitions. [2021-12-06 20:40:20,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:20,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 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 193 [2021-12-06 20:40:20,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:20,684 INFO L225 Difference]: With dead ends: 11414 [2021-12-06 20:40:20,684 INFO L226 Difference]: Without dead ends: 6982 [2021-12-06 20:40:20,687 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:20,688 INFO L933 BasicCegarLoop]: 727 mSDtfsCounter, 496 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:20,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [496 Valid, 785 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 20:40:20,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2021-12-06 20:40:20,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 6982. [2021-12-06 20:40:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6982 states, 6981 states have (on average 1.1834980661796304) internal successors, (8262), 6981 states have internal predecessors, (8262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:20,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6982 states to 6982 states and 8262 transitions. [2021-12-06 20:40:20,779 INFO L78 Accepts]: Start accepts. Automaton has 6982 states and 8262 transitions. Word has length 193 [2021-12-06 20:40:20,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:20,779 INFO L470 AbstractCegarLoop]: Abstraction has 6982 states and 8262 transitions. [2021-12-06 20:40:20,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 6982 states and 8262 transitions. [2021-12-06 20:40:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-06 20:40:20,783 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:20,783 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-12-06 20:40:20,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:40:20,784 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:20,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:20,784 INFO L85 PathProgramCache]: Analyzing trace with hash 18373913, now seen corresponding path program 1 times [2021-12-06 20:40:20,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:20,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584546762] [2021-12-06 20:40:20,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:20,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,877 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-12-06 20:40:20,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:20,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584546762] [2021-12-06 20:40:20,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584546762] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:20,878 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:20,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:20,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693421981] [2021-12-06 20:40:20,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:20,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:20,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:20,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:20,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:20,879 INFO L87 Difference]: Start difference. First operand 6982 states and 8262 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:22,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:22,490 INFO L93 Difference]: Finished difference Result 17788 states and 21273 transitions. [2021-12-06 20:40:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:22,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 273 [2021-12-06 20:40:22,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:22,524 INFO L225 Difference]: With dead ends: 17788 [2021-12-06 20:40:22,524 INFO L226 Difference]: Without dead ends: 9958 [2021-12-06 20:40:22,529 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:22,530 INFO L933 BasicCegarLoop]: 788 mSDtfsCounter, 384 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:22,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 858 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 20:40:22,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9958 states. [2021-12-06 20:40:22,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9958 to 9958. [2021-12-06 20:40:22,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9958 states, 9957 states have (on average 1.1449231696294064) internal successors, (11400), 9957 states have internal predecessors, (11400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9958 states to 9958 states and 11400 transitions. [2021-12-06 20:40:22,683 INFO L78 Accepts]: Start accepts. Automaton has 9958 states and 11400 transitions. Word has length 273 [2021-12-06 20:40:22,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:22,683 INFO L470 AbstractCegarLoop]: Abstraction has 9958 states and 11400 transitions. [2021-12-06 20:40:22,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand 9958 states and 11400 transitions. [2021-12-06 20:40:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-06 20:40:22,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:22,690 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:22,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:40:22,690 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:22,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:22,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1552604812, now seen corresponding path program 1 times [2021-12-06 20:40:22,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:22,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605763346] [2021-12-06 20:40:22,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:22,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-12-06 20:40:22,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:22,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605763346] [2021-12-06 20:40:22,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605763346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:22,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:22,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:22,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563268023] [2021-12-06 20:40:22,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:22,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:22,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:22,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:22,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:22,827 INFO L87 Difference]: Start difference. First operand 9958 states and 11400 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:24,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:24,578 INFO L93 Difference]: Finished difference Result 24168 states and 28009 transitions. [2021-12-06 20:40:24,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:24,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 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 313 [2021-12-06 20:40:24,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:24,603 INFO L225 Difference]: With dead ends: 24168 [2021-12-06 20:40:24,603 INFO L226 Difference]: Without dead ends: 14212 [2021-12-06 20:40:24,611 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:24,612 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 447 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:24,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [447 Valid, 371 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 20:40:24,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14212 states. [2021-12-06 20:40:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14212 to 13351. [2021-12-06 20:40:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13351 states, 13350 states have (on average 1.1481647940074906) internal successors, (15328), 13350 states have internal predecessors, (15328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13351 states to 13351 states and 15328 transitions. [2021-12-06 20:40:24,753 INFO L78 Accepts]: Start accepts. Automaton has 13351 states and 15328 transitions. Word has length 313 [2021-12-06 20:40:24,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:24,754 INFO L470 AbstractCegarLoop]: Abstraction has 13351 states and 15328 transitions. [2021-12-06 20:40:24,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand 13351 states and 15328 transitions. [2021-12-06 20:40:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-12-06 20:40:24,762 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:24,763 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:24,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:40:24,763 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:24,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:24,764 INFO L85 PathProgramCache]: Analyzing trace with hash 649706724, now seen corresponding path program 1 times [2021-12-06 20:40:24,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:24,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135822942] [2021-12-06 20:40:24,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:24,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:24,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:24,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135822942] [2021-12-06 20:40:24,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135822942] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:24,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:24,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:24,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770187743] [2021-12-06 20:40:24,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:24,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:40:24,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:24,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:40:24,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:24,888 INFO L87 Difference]: Start difference. First operand 13351 states and 15328 transitions. Second operand has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:27,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:27,395 INFO L93 Difference]: Finished difference Result 33117 states and 38117 transitions. [2021-12-06 20:40:27,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:40:27,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 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 380 [2021-12-06 20:40:27,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:27,427 INFO L225 Difference]: With dead ends: 33117 [2021-12-06 20:40:27,428 INFO L226 Difference]: Without dead ends: 19343 [2021-12-06 20:40:27,437 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:27,438 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 636 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 2806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:27,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 236 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 2480 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 20:40:27,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19343 states. [2021-12-06 20:40:27,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19343 to 19339. [2021-12-06 20:40:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19339 states, 19338 states have (on average 1.1557555072913435) internal successors, (22350), 19338 states have internal predecessors, (22350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19339 states to 19339 states and 22350 transitions. [2021-12-06 20:40:27,641 INFO L78 Accepts]: Start accepts. Automaton has 19339 states and 22350 transitions. Word has length 380 [2021-12-06 20:40:27,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:27,642 INFO L470 AbstractCegarLoop]: Abstraction has 19339 states and 22350 transitions. [2021-12-06 20:40:27,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.0) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 19339 states and 22350 transitions. [2021-12-06 20:40:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2021-12-06 20:40:27,650 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:27,651 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2021-12-06 20:40:27,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 20:40:27,651 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:27,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash 2143535130, now seen corresponding path program 1 times [2021-12-06 20:40:27,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:27,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142145] [2021-12-06 20:40:27,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:27,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:27,763 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-12-06 20:40:27,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:27,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142145] [2021-12-06 20:40:27,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:27,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:27,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:27,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46366928] [2021-12-06 20:40:27,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:27,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:27,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:27,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:27,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:27,765 INFO L87 Difference]: Start difference. First operand 19339 states and 22350 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:29,917 INFO L93 Difference]: Finished difference Result 50180 states and 58000 transitions. [2021-12-06 20:40:29,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:29,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 402 [2021-12-06 20:40:29,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:29,958 INFO L225 Difference]: With dead ends: 50180 [2021-12-06 20:40:29,958 INFO L226 Difference]: Without dead ends: 30843 [2021-12-06 20:40:29,975 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:29,975 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 504 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:29,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [504 Valid, 270 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 20:40:29,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30843 states. [2021-12-06 20:40:30,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30843 to 30824. [2021-12-06 20:40:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30824 states, 30823 states have (on average 1.141095934853843) internal successors, (35172), 30823 states have internal predecessors, (35172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30824 states to 30824 states and 35172 transitions. [2021-12-06 20:40:30,288 INFO L78 Accepts]: Start accepts. Automaton has 30824 states and 35172 transitions. Word has length 402 [2021-12-06 20:40:30,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:30,288 INFO L470 AbstractCegarLoop]: Abstraction has 30824 states and 35172 transitions. [2021-12-06 20:40:30,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:30,288 INFO L276 IsEmpty]: Start isEmpty. Operand 30824 states and 35172 transitions. [2021-12-06 20:40:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2021-12-06 20:40:30,295 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:30,296 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:30,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 20:40:30,296 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:30,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:30,296 INFO L85 PathProgramCache]: Analyzing trace with hash 376628203, now seen corresponding path program 1 times [2021-12-06 20:40:30,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:30,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027058040] [2021-12-06 20:40:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:30,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 222 proven. 82 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-06 20:40:30,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:30,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027058040] [2021-12-06 20:40:30,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027058040] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:40:30,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172683042] [2021-12-06 20:40:30,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:30,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:40:30,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:30,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:40:30,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:40:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:30,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:40:30,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 222 proven. 82 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-06 20:40:31,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:40:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-06 20:40:31,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172683042] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 20:40:31,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:40:31,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 5 [2021-12-06 20:40:31,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101988913] [2021-12-06 20:40:31,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:31,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:40:31,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:31,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:40:31,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:40:31,904 INFO L87 Difference]: Start difference. First operand 30824 states and 35172 transitions. Second operand has 4 states, 4 states have (on average 92.75) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:34,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:34,799 INFO L93 Difference]: Finished difference Result 88939 states and 101084 transitions. [2021-12-06 20:40:34,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:40:34,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 92.75) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 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 409 [2021-12-06 20:40:34,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:34,861 INFO L225 Difference]: With dead ends: 88939 [2021-12-06 20:40:34,861 INFO L226 Difference]: Without dead ends: 56413 [2021-12-06 20:40:34,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 813 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:40:34,876 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 770 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 634 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 2959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 634 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:34,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [770 Valid, 195 Invalid, 2959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [634 Valid, 2325 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-06 20:40:34,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56413 states. [2021-12-06 20:40:35,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56413 to 52153. [2021-12-06 20:40:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52153 states, 52152 states have (on average 1.1363130848289615) internal successors, (59261), 52152 states have internal predecessors, (59261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52153 states to 52153 states and 59261 transitions. [2021-12-06 20:40:35,446 INFO L78 Accepts]: Start accepts. Automaton has 52153 states and 59261 transitions. Word has length 409 [2021-12-06 20:40:35,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:35,447 INFO L470 AbstractCegarLoop]: Abstraction has 52153 states and 59261 transitions. [2021-12-06 20:40:35,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.75) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 52153 states and 59261 transitions. [2021-12-06 20:40:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2021-12-06 20:40:35,455 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:35,456 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:35,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:40:35,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 20:40:35,658 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:35,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash -899581652, now seen corresponding path program 1 times [2021-12-06 20:40:35,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:35,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199381456] [2021-12-06 20:40:35,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:35,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:35,854 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-12-06 20:40:35,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:35,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199381456] [2021-12-06 20:40:35,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199381456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:35,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:35,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:35,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204525809] [2021-12-06 20:40:35,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:35,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:35,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:35,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:35,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:35,856 INFO L87 Difference]: Start difference. First operand 52153 states and 59261 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:37,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:37,815 INFO L93 Difference]: Finished difference Result 118761 states and 135002 transitions. [2021-12-06 20:40:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:37,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 445 [2021-12-06 20:40:37,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:37,889 INFO L225 Difference]: With dead ends: 118761 [2021-12-06 20:40:37,889 INFO L226 Difference]: Without dead ends: 60215 [2021-12-06 20:40:37,916 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:37,917 INFO L933 BasicCegarLoop]: 696 mSDtfsCounter, 498 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:37,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 748 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1225 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 20:40:37,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60215 states. [2021-12-06 20:40:38,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60215 to 60207. [2021-12-06 20:40:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60207 states, 60206 states have (on average 1.1200046506992658) internal successors, (67431), 60206 states have internal predecessors, (67431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:38,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60207 states to 60207 states and 67431 transitions. [2021-12-06 20:40:38,573 INFO L78 Accepts]: Start accepts. Automaton has 60207 states and 67431 transitions. Word has length 445 [2021-12-06 20:40:38,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:38,574 INFO L470 AbstractCegarLoop]: Abstraction has 60207 states and 67431 transitions. [2021-12-06 20:40:38,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 60207 states and 67431 transitions. [2021-12-06 20:40:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-06 20:40:38,582 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:38,582 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-06 20:40:38,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 20:40:38,582 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:38,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:38,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1845596096, now seen corresponding path program 1 times [2021-12-06 20:40:38,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:38,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476768522] [2021-12-06 20:40:38,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:38,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-06 20:40:38,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:38,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476768522] [2021-12-06 20:40:38,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476768522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:38,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:38,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:40:38,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013212575] [2021-12-06 20:40:38,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:38,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:40:38,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:38,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:40:38,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:38,789 INFO L87 Difference]: Start difference. First operand 60207 states and 67431 transitions. Second operand has 4 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:41,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:41,944 INFO L93 Difference]: Finished difference Result 157943 states and 176490 transitions. [2021-12-06 20:40:41,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:40:41,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 0 states have call successors, (0), 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 447 [2021-12-06 20:40:41,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:42,037 INFO L225 Difference]: With dead ends: 157943 [2021-12-06 20:40:42,037 INFO L226 Difference]: Without dead ends: 97738 [2021-12-06 20:40:42,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:42,067 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 769 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 2871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 515 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:42,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [769 Valid, 181 Invalid, 2871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [515 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-06 20:40:42,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97738 states. [2021-12-06 20:40:43,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97738 to 93051. [2021-12-06 20:40:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93051 states, 93050 states have (on average 1.1130789897904352) internal successors, (103572), 93050 states have internal predecessors, (103572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93051 states to 93051 states and 103572 transitions. [2021-12-06 20:40:43,204 INFO L78 Accepts]: Start accepts. Automaton has 93051 states and 103572 transitions. Word has length 447 [2021-12-06 20:40:43,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:43,205 INFO L470 AbstractCegarLoop]: Abstraction has 93051 states and 103572 transitions. [2021-12-06 20:40:43,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.25) internal successors, (409), 4 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 93051 states and 103572 transitions. [2021-12-06 20:40:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-12-06 20:40:43,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:43,214 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:43,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 20:40:43,214 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:43,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:43,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1861468284, now seen corresponding path program 1 times [2021-12-06 20:40:43,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:43,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307324095] [2021-12-06 20:40:43,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:43,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2021-12-06 20:40:43,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:43,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307324095] [2021-12-06 20:40:43,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307324095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:43,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:43,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:40:43,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865888630] [2021-12-06 20:40:43,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:43,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:40:43,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:43,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:40:43,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:43,354 INFO L87 Difference]: Start difference. First operand 93051 states and 103572 transitions. Second operand has 4 states, 4 states have (on average 71.75) internal successors, (287), 4 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:46,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:46,469 INFO L93 Difference]: Finished difference Result 201070 states and 223016 transitions. [2021-12-06 20:40:46,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:40:46,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 4 states have internal predecessors, (287), 0 states have call successors, (0), 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 449 [2021-12-06 20:40:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:46,615 INFO L225 Difference]: With dead ends: 201070 [2021-12-06 20:40:46,615 INFO L226 Difference]: Without dead ends: 108021 [2021-12-06 20:40:46,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:46,780 INFO L933 BasicCegarLoop]: 675 mSDtfsCounter, 867 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 2882 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 3044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:46,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [867 Valid, 805 Invalid, 3044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2882 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-06 20:40:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108021 states. [2021-12-06 20:40:47,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108021 to 93051. [2021-12-06 20:40:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93051 states, 93050 states have (on average 1.112713594841483) internal successors, (103538), 93050 states have internal predecessors, (103538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93051 states to 93051 states and 103538 transitions. [2021-12-06 20:40:47,804 INFO L78 Accepts]: Start accepts. Automaton has 93051 states and 103538 transitions. Word has length 449 [2021-12-06 20:40:47,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:47,805 INFO L470 AbstractCegarLoop]: Abstraction has 93051 states and 103538 transitions. [2021-12-06 20:40:47,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 71.75) internal successors, (287), 4 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 93051 states and 103538 transitions. [2021-12-06 20:40:47,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2021-12-06 20:40:47,815 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:47,816 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:40:47,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 20:40:47,816 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:47,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:47,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1200421190, now seen corresponding path program 1 times [2021-12-06 20:40:47,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:47,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320970132] [2021-12-06 20:40:47,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:47,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 561 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-12-06 20:40:47,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:47,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320970132] [2021-12-06 20:40:47,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320970132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:47,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:47,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:47,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006325733] [2021-12-06 20:40:47,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:47,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:47,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:47,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:47,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:47,966 INFO L87 Difference]: Start difference. First operand 93051 states and 103538 transitions. Second operand has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:50,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:50,186 INFO L93 Difference]: Finished difference Result 193777 states and 215976 transitions. [2021-12-06 20:40:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:50,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 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 490 [2021-12-06 20:40:50,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:50,416 INFO L225 Difference]: With dead ends: 193777 [2021-12-06 20:40:50,416 INFO L226 Difference]: Without dead ends: 100298 [2021-12-06 20:40:50,436 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:50,437 INFO L933 BasicCegarLoop]: 731 mSDtfsCounter, 336 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1263 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:50,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 796 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1263 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 20:40:50,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100298 states. [2021-12-06 20:40:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100298 to 96887. [2021-12-06 20:40:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96887 states, 96886 states have (on average 1.1097372169353674) internal successors, (107518), 96886 states have internal predecessors, (107518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96887 states to 96887 states and 107518 transitions. [2021-12-06 20:40:51,534 INFO L78 Accepts]: Start accepts. Automaton has 96887 states and 107518 transitions. Word has length 490 [2021-12-06 20:40:51,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:51,534 INFO L470 AbstractCegarLoop]: Abstraction has 96887 states and 107518 transitions. [2021-12-06 20:40:51,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 96887 states and 107518 transitions. [2021-12-06 20:40:51,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-12-06 20:40:51,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:51,548 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:51,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 20:40:51,548 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:51,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:51,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2036194230, now seen corresponding path program 1 times [2021-12-06 20:40:51,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:51,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239995685] [2021-12-06 20:40:51,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:51,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 307 proven. 82 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-06 20:40:51,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:51,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239995685] [2021-12-06 20:40:51,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239995685] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:40:51,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473927001] [2021-12-06 20:40:51,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:51,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:40:51,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:51,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:40:51,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:40:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:51,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:40:51,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-12-06 20:40:54,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:54,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473927001] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:54,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:40:54,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 20:40:54,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303196020] [2021-12-06 20:40:54,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:54,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:54,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:54,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:54,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:54,794 INFO L87 Difference]: Start difference. First operand 96887 states and 107518 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:54,958 INFO L93 Difference]: Finished difference Result 96967 states and 107599 transitions. [2021-12-06 20:40:54,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:54,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 [2021-12-06 20:40:54,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:55,044 INFO L225 Difference]: With dead ends: 96967 [2021-12-06 20:40:55,044 INFO L226 Difference]: Without dead ends: 96965 [2021-12-06 20:40:55,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:55,062 INFO L933 BasicCegarLoop]: 785 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 750 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:55,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 852 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 750 Unchecked, 0.0s Time] [2021-12-06 20:40:55,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96965 states. [2021-12-06 20:40:56,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96965 to 96965. [2021-12-06 20:40:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96965 states, 96964 states have (on average 1.1096489418753352) internal successors, (107596), 96964 states have internal predecessors, (107596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:56,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96965 states to 96965 states and 107596 transitions. [2021-12-06 20:40:56,126 INFO L78 Accepts]: Start accepts. Automaton has 96965 states and 107596 transitions. Word has length 503 [2021-12-06 20:40:56,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:56,126 INFO L470 AbstractCegarLoop]: Abstraction has 96965 states and 107596 transitions. [2021-12-06 20:40:56,126 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 96965 states and 107596 transitions. [2021-12-06 20:40:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2021-12-06 20:40:56,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:56,139 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:40:56,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:40:56,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 20:40:56,341 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:56,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:56,343 INFO L85 PathProgramCache]: Analyzing trace with hash 272010830, now seen corresponding path program 1 times [2021-12-06 20:40:56,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:56,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649790326] [2021-12-06 20:40:56,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:56,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 561 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-12-06 20:40:56,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:56,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649790326] [2021-12-06 20:40:56,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649790326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:56,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:56,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:56,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077688234] [2021-12-06 20:40:56,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:56,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:56,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:56,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:56,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:56,513 INFO L87 Difference]: Start difference. First operand 96965 states and 107596 transitions. Second operand has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:40:59,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:59,031 INFO L93 Difference]: Finished difference Result 207555 states and 230374 transitions. [2021-12-06 20:40:59,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:59,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 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 518 [2021-12-06 20:40:59,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:59,156 INFO L225 Difference]: With dead ends: 207555 [2021-12-06 20:40:59,156 INFO L226 Difference]: Without dead ends: 110592 [2021-12-06 20:40:59,199 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:40:59,200 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 330 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:59,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 399 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1303 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 20:40:59,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110592 states. [2021-12-06 20:41:00,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110592 to 102496. [2021-12-06 20:41:00,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102496 states, 102495 states have (on average 1.1090882482072295) internal successors, (113676), 102495 states have internal predecessors, (113676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102496 states to 102496 states and 113676 transitions. [2021-12-06 20:41:00,622 INFO L78 Accepts]: Start accepts. Automaton has 102496 states and 113676 transitions. Word has length 518 [2021-12-06 20:41:00,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:00,623 INFO L470 AbstractCegarLoop]: Abstraction has 102496 states and 113676 transitions. [2021-12-06 20:41:00,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 102496 states and 113676 transitions. [2021-12-06 20:41:00,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2021-12-06 20:41:00,639 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:00,640 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:00,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 20:41:00,640 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:00,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:00,641 INFO L85 PathProgramCache]: Analyzing trace with hash -229153588, now seen corresponding path program 1 times [2021-12-06 20:41:00,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:00,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169089149] [2021-12-06 20:41:00,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:00,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2021-12-06 20:41:00,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:00,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169089149] [2021-12-06 20:41:00,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169089149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:00,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:00,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:00,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150834504] [2021-12-06 20:41:00,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:00,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:00,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:00,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:00,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:00,811 INFO L87 Difference]: Start difference. First operand 102496 states and 113676 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:03,205 INFO L93 Difference]: Finished difference Result 213514 states and 236408 transitions. [2021-12-06 20:41:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:03,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 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 534 [2021-12-06 20:41:03,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:03,336 INFO L225 Difference]: With dead ends: 213514 [2021-12-06 20:41:03,336 INFO L226 Difference]: Without dead ends: 111020 [2021-12-06 20:41:03,385 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:41:03,385 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 404 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:03,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 388 Invalid, 1424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 20:41:03,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111020 states. [2021-12-06 20:41:04,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111020 to 102921. [2021-12-06 20:41:04,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102921 states, 102920 states have (on average 1.108890400310921) internal successors, (114127), 102920 states have internal predecessors, (114127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102921 states to 102921 states and 114127 transitions. [2021-12-06 20:41:04,772 INFO L78 Accepts]: Start accepts. Automaton has 102921 states and 114127 transitions. Word has length 534 [2021-12-06 20:41:04,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:04,773 INFO L470 AbstractCegarLoop]: Abstraction has 102921 states and 114127 transitions. [2021-12-06 20:41:04,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 102921 states and 114127 transitions. [2021-12-06 20:41:04,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-12-06 20:41:04,785 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:04,786 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:41:04,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 20:41:04,786 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:04,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:04,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1444719469, now seen corresponding path program 1 times [2021-12-06 20:41:04,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:04,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293377177] [2021-12-06 20:41:04,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:04,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 755 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-12-06 20:41:04,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:04,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293377177] [2021-12-06 20:41:04,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293377177] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:04,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:04,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:04,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499638249] [2021-12-06 20:41:04,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:04,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:04,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:04,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:04,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:04,937 INFO L87 Difference]: Start difference. First operand 102921 states and 114127 transitions. Second operand has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:07,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:07,225 INFO L93 Difference]: Finished difference Result 217770 states and 241027 transitions. [2021-12-06 20:41:07,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:07,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 581 [2021-12-06 20:41:07,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:07,347 INFO L225 Difference]: With dead ends: 217770 [2021-12-06 20:41:07,347 INFO L226 Difference]: Without dead ends: 114851 [2021-12-06 20:41:07,393 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:41:07,394 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 360 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:07,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 342 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 20:41:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114851 states. [2021-12-06 20:41:08,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114851 to 102071. [2021-12-06 20:41:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102071 states, 102070 states have (on average 1.1031742921524443) internal successors, (112601), 102070 states have internal predecessors, (112601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:08,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102071 states to 102071 states and 112601 transitions. [2021-12-06 20:41:08,681 INFO L78 Accepts]: Start accepts. Automaton has 102071 states and 112601 transitions. Word has length 581 [2021-12-06 20:41:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:08,681 INFO L470 AbstractCegarLoop]: Abstraction has 102071 states and 112601 transitions. [2021-12-06 20:41:08,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 102071 states and 112601 transitions. [2021-12-06 20:41:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2021-12-06 20:41:08,695 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:08,695 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:41:08,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 20:41:08,696 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:08,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:08,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1605899002, now seen corresponding path program 1 times [2021-12-06 20:41:08,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:08,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032498086] [2021-12-06 20:41:08,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:08,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 521 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-12-06 20:41:08,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:08,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032498086] [2021-12-06 20:41:08,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032498086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:08,867 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:08,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:08,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748691351] [2021-12-06 20:41:08,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:08,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:08,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:08,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:08,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:08,869 INFO L87 Difference]: Start difference. First operand 102071 states and 112601 transitions. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:11,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:11,177 INFO L93 Difference]: Finished difference Result 221601 states and 244565 transitions. [2021-12-06 20:41:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:11,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 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 607 [2021-12-06 20:41:11,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:11,310 INFO L225 Difference]: With dead ends: 221601 [2021-12-06 20:41:11,310 INFO L226 Difference]: Without dead ends: 118665 [2021-12-06 20:41:11,351 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:41:11,352 INFO L933 BasicCegarLoop]: 593 mSDtfsCounter, 227 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 1234 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:11,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 640 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1234 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 20:41:11,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118665 states. [2021-12-06 20:41:12,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118665 to 114790. [2021-12-06 20:41:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114790 states, 114789 states have (on average 1.096986645061809) internal successors, (125922), 114789 states have internal predecessors, (125922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114790 states to 114790 states and 125922 transitions. [2021-12-06 20:41:12,747 INFO L78 Accepts]: Start accepts. Automaton has 114790 states and 125922 transitions. Word has length 607 [2021-12-06 20:41:12,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:12,748 INFO L470 AbstractCegarLoop]: Abstraction has 114790 states and 125922 transitions. [2021-12-06 20:41:12,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 114790 states and 125922 transitions. [2021-12-06 20:41:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2021-12-06 20:41:12,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:12,761 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:41:12,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 20:41:12,762 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:12,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:12,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1503528320, now seen corresponding path program 1 times [2021-12-06 20:41:12,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:12,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609000108] [2021-12-06 20:41:12,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:12,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-12-06 20:41:12,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:12,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609000108] [2021-12-06 20:41:12,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609000108] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:12,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:12,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:12,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872270330] [2021-12-06 20:41:12,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:12,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:12,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:12,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:12,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:12,927 INFO L87 Difference]: Start difference. First operand 114790 states and 125922 transitions. Second operand has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:15,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:15,356 INFO L93 Difference]: Finished difference Result 246184 states and 269636 transitions. [2021-12-06 20:41:15,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:15,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 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 631 [2021-12-06 20:41:15,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:15,480 INFO L225 Difference]: With dead ends: 246184 [2021-12-06 20:41:15,480 INFO L226 Difference]: Without dead ends: 125398 [2021-12-06 20:41:15,510 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:41:15,510 INFO L933 BasicCegarLoop]: 587 mSDtfsCounter, 493 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:15,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 623 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-06 20:41:15,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125398 states. [2021-12-06 20:41:16,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125398 to 121560. [2021-12-06 20:41:16,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121560 states, 121559 states have (on average 1.0878421178193305) internal successors, (132237), 121559 states have internal predecessors, (132237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121560 states to 121560 states and 132237 transitions. [2021-12-06 20:41:16,797 INFO L78 Accepts]: Start accepts. Automaton has 121560 states and 132237 transitions. Word has length 631 [2021-12-06 20:41:16,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:16,798 INFO L470 AbstractCegarLoop]: Abstraction has 121560 states and 132237 transitions. [2021-12-06 20:41:16,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 121560 states and 132237 transitions. [2021-12-06 20:41:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2021-12-06 20:41:16,831 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:16,831 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:41:16,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 20:41:16,832 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:16,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:16,832 INFO L85 PathProgramCache]: Analyzing trace with hash -476294953, now seen corresponding path program 1 times [2021-12-06 20:41:16,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:16,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074511402] [2021-12-06 20:41:16,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:16,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 483 proven. 240 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-06 20:41:17,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:17,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074511402] [2021-12-06 20:41:17,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074511402] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:41:17,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491952818] [2021-12-06 20:41:17,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:17,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:41:17,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:41:17,094 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:41:17,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:41:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:17,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:41:17,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 483 proven. 240 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-06 20:41:18,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:41:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 483 proven. 240 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-06 20:41:19,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491952818] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:41:19,487 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:41:19,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-06 20:41:19,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233692488] [2021-12-06 20:41:19,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:41:19,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:41:19,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:19,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:41:19,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:41:19,490 INFO L87 Difference]: Start difference. First operand 121560 states and 132237 transitions. Second operand has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:23,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:23,860 INFO L93 Difference]: Finished difference Result 250785 states and 272845 transitions. [2021-12-06 20:41:23,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:41:23,861 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 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 848 [2021-12-06 20:41:23,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:23,992 INFO L225 Difference]: With dead ends: 250785 [2021-12-06 20:41:23,992 INFO L226 Difference]: Without dead ends: 129227 [2021-12-06 20:41:24,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1700 GetRequests, 1694 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:41:24,041 INFO L933 BasicCegarLoop]: 668 mSDtfsCounter, 644 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 5015 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 5242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 5015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:24,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [644 Valid, 903 Invalid, 5242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 5015 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-06 20:41:24,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129227 states. [2021-12-06 20:41:25,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129227 to 117294. [2021-12-06 20:41:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117294 states, 117293 states have (on average 1.0846512579608332) internal successors, (127222), 117293 states have internal predecessors, (127222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117294 states to 117294 states and 127222 transitions. [2021-12-06 20:41:25,332 INFO L78 Accepts]: Start accepts. Automaton has 117294 states and 127222 transitions. Word has length 848 [2021-12-06 20:41:25,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:25,333 INFO L470 AbstractCegarLoop]: Abstraction has 117294 states and 127222 transitions. [2021-12-06 20:41:25,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 235.16666666666666) internal successors, (1411), 6 states have internal predecessors, (1411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 117294 states and 127222 transitions. [2021-12-06 20:41:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2021-12-06 20:41:25,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:25,384 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:41:25,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:41:25,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:41:25,586 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:25,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:25,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1621662467, now seen corresponding path program 1 times [2021-12-06 20:41:25,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:25,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411990916] [2021-12-06 20:41:25,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:25,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1372 backedges. 691 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2021-12-06 20:41:25,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:25,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411990916] [2021-12-06 20:41:25,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411990916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:25,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:25,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:25,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882487274] [2021-12-06 20:41:25,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:25,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:25,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:25,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:25,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:25,993 INFO L87 Difference]: Start difference. First operand 117294 states and 127222 transitions. Second operand has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:27,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:27,886 INFO L93 Difference]: Finished difference Result 232426 states and 251782 transitions. [2021-12-06 20:41:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:27,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 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 965 [2021-12-06 20:41:27,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:28,007 INFO L225 Difference]: With dead ends: 232426 [2021-12-06 20:41:28,007 INFO L226 Difference]: Without dead ends: 115132 [2021-12-06 20:41:28,055 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:41:28,055 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 449 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 1181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:28,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 299 Invalid, 1181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 20:41:28,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115132 states. [2021-12-06 20:41:29,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115132 to 103173. [2021-12-06 20:41:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103173 states, 103172 states have (on average 1.080971581436824) internal successors, (111526), 103172 states have internal predecessors, (111526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103173 states to 103173 states and 111526 transitions. [2021-12-06 20:41:29,329 INFO L78 Accepts]: Start accepts. Automaton has 103173 states and 111526 transitions. Word has length 965 [2021-12-06 20:41:29,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:29,329 INFO L470 AbstractCegarLoop]: Abstraction has 103173 states and 111526 transitions. [2021-12-06 20:41:29,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 103173 states and 111526 transitions. [2021-12-06 20:41:29,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1095 [2021-12-06 20:41:29,383 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:29,384 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:29,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 20:41:29,384 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:29,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:29,385 INFO L85 PathProgramCache]: Analyzing trace with hash -984601988, now seen corresponding path program 1 times [2021-12-06 20:41:29,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:29,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481356379] [2021-12-06 20:41:29,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:29,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2088 backedges. 1601 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2021-12-06 20:41:29,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:29,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481356379] [2021-12-06 20:41:29,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481356379] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:29,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:29,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:41:29,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324600950] [2021-12-06 20:41:29,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:29,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:41:29,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:29,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:41:29,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:41:29,697 INFO L87 Difference]: Start difference. First operand 103173 states and 111526 transitions. Second operand has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:32,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:32,519 INFO L93 Difference]: Finished difference Result 216990 states and 234436 transitions. [2021-12-06 20:41:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:41:32,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 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 1094 [2021-12-06 20:41:32,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:32,630 INFO L225 Difference]: With dead ends: 216990 [2021-12-06 20:41:32,630 INFO L226 Difference]: Without dead ends: 113819 [2021-12-06 20:41:32,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:41:32,656 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 609 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 2718 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 2976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 2718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:32,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [609 Valid, 319 Invalid, 2976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 2718 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 20:41:32,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113819 states. [2021-12-06 20:41:33,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113819 to 111262. [2021-12-06 20:41:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111262 states, 111261 states have (on average 1.0779158914624172) internal successors, (119930), 111261 states have internal predecessors, (119930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111262 states to 111262 states and 119930 transitions. [2021-12-06 20:41:33,862 INFO L78 Accepts]: Start accepts. Automaton has 111262 states and 119930 transitions. Word has length 1094 [2021-12-06 20:41:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:33,863 INFO L470 AbstractCegarLoop]: Abstraction has 111262 states and 119930 transitions. [2021-12-06 20:41:33,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 183.0) internal successors, (732), 4 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 111262 states and 119930 transitions. [2021-12-06 20:41:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2021-12-06 20:41:33,924 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:33,925 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:33,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 20:41:33,925 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:33,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:33,926 INFO L85 PathProgramCache]: Analyzing trace with hash -494332146, now seen corresponding path program 1 times [2021-12-06 20:41:33,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:33,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932299484] [2021-12-06 20:41:33,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:33,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 1206 proven. 0 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2021-12-06 20:41:34,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:34,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932299484] [2021-12-06 20:41:34,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932299484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:34,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:34,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:34,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197265573] [2021-12-06 20:41:34,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:34,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:34,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:34,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:34,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:34,179 INFO L87 Difference]: Start difference. First operand 111262 states and 119930 transitions. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:36,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:36,180 INFO L93 Difference]: Finished difference Result 226781 states and 244528 transitions. [2021-12-06 20:41:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:36,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 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 1095 [2021-12-06 20:41:36,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:36,295 INFO L225 Difference]: With dead ends: 226781 [2021-12-06 20:41:36,295 INFO L226 Difference]: Without dead ends: 115521 [2021-12-06 20:41:36,328 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:41:36,329 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 489 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:36,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [489 Valid, 196 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 20:41:36,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115521 states. [2021-12-06 20:41:37,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115521 to 108702. [2021-12-06 20:41:37,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108702 states, 108701 states have (on average 1.0755926808401026) internal successors, (116918), 108701 states have internal predecessors, (116918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108702 states to 108702 states and 116918 transitions. [2021-12-06 20:41:37,711 INFO L78 Accepts]: Start accepts. Automaton has 108702 states and 116918 transitions. Word has length 1095 [2021-12-06 20:41:37,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:37,711 INFO L470 AbstractCegarLoop]: Abstraction has 108702 states and 116918 transitions. [2021-12-06 20:41:37,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 108702 states and 116918 transitions. [2021-12-06 20:41:37,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1177 [2021-12-06 20:41:37,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:37,803 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:37,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 20:41:37,803 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:37,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:37,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1181114043, now seen corresponding path program 1 times [2021-12-06 20:41:37,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:37,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130889962] [2021-12-06 20:41:37,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:37,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2017 backedges. 1749 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2021-12-06 20:41:38,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:38,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130889962] [2021-12-06 20:41:38,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130889962] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:38,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:38,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:41:38,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812483005] [2021-12-06 20:41:38,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:38,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:41:38,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:38,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:41:38,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:41:38,146 INFO L87 Difference]: Start difference. First operand 108702 states and 116918 transitions. Second operand has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:41,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:41,183 INFO L93 Difference]: Finished difference Result 249771 states and 268398 transitions. [2021-12-06 20:41:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:41:41,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 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 1176 [2021-12-06 20:41:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:41,331 INFO L225 Difference]: With dead ends: 249771 [2021-12-06 20:41:41,331 INFO L226 Difference]: Without dead ends: 140646 [2021-12-06 20:41:41,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:41:41,382 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 465 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2335 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 2676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 2335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:41,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 198 Invalid, 2676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 2335 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-06 20:41:41,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140646 states. [2021-12-06 20:41:42,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140646 to 121047. [2021-12-06 20:41:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121047 states, 121046 states have (on average 1.0692216182277812) internal successors, (129425), 121046 states have internal predecessors, (129425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121047 states to 121047 states and 129425 transitions. [2021-12-06 20:41:42,984 INFO L78 Accepts]: Start accepts. Automaton has 121047 states and 129425 transitions. Word has length 1176 [2021-12-06 20:41:42,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:42,985 INFO L470 AbstractCegarLoop]: Abstraction has 121047 states and 129425 transitions. [2021-12-06 20:41:42,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 121047 states and 129425 transitions. [2021-12-06 20:41:43,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2021-12-06 20:41:43,047 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:43,048 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:43,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 20:41:43,048 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:43,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:43,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1342300975, now seen corresponding path program 1 times [2021-12-06 20:41:43,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:43,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943546739] [2021-12-06 20:41:43,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:43,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1764 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2021-12-06 20:41:43,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:43,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943546739] [2021-12-06 20:41:43,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943546739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:43,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:43,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:41:43,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597264726] [2021-12-06 20:41:43,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:43,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:41:43,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:43,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:41:43,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:41:43,384 INFO L87 Difference]: Start difference. First operand 121047 states and 129425 transitions. Second operand has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:46,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:46,312 INFO L93 Difference]: Finished difference Result 268915 states and 287360 transitions. [2021-12-06 20:41:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:41:46,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 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 1181 [2021-12-06 20:41:46,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:46,465 INFO L225 Difference]: With dead ends: 268915 [2021-12-06 20:41:46,465 INFO L226 Difference]: Without dead ends: 147445 [2021-12-06 20:41:46,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:41:46,513 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 467 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 2629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:46,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [467 Valid, 182 Invalid, 2629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 20:41:46,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147445 states. [2021-12-06 20:41:47,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147445 to 121472. [2021-12-06 20:41:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121472 states, 121471 states have (on average 1.0697779716969482) internal successors, (129947), 121471 states have internal predecessors, (129947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121472 states to 121472 states and 129947 transitions. [2021-12-06 20:41:47,980 INFO L78 Accepts]: Start accepts. Automaton has 121472 states and 129947 transitions. Word has length 1181 [2021-12-06 20:41:47,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:47,981 INFO L470 AbstractCegarLoop]: Abstraction has 121472 states and 129947 transitions. [2021-12-06 20:41:47,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:47,981 INFO L276 IsEmpty]: Start isEmpty. Operand 121472 states and 129947 transitions. [2021-12-06 20:41:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1195 [2021-12-06 20:41:48,049 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:48,050 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:48,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 20:41:48,050 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:48,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:48,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1326004241, now seen corresponding path program 1 times [2021-12-06 20:41:48,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:48,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248872961] [2021-12-06 20:41:48,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:48,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:48,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1254 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2021-12-06 20:41:48,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:48,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248872961] [2021-12-06 20:41:48,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248872961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:48,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:48,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:41:48,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660247818] [2021-12-06 20:41:48,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:48,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:48,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:48,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:48,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:48,438 INFO L87 Difference]: Start difference. First operand 121472 states and 129947 transitions. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 2 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:49,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:49,842 INFO L93 Difference]: Finished difference Result 230567 states and 246391 transitions. [2021-12-06 20:41:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:49,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 2 states have internal predecessors, (719), 0 states have call successors, (0), 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 1194 [2021-12-06 20:41:49,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:49,950 INFO L225 Difference]: With dead ends: 230567 [2021-12-06 20:41:49,950 INFO L226 Difference]: Without dead ends: 109097 [2021-12-06 20:41:49,986 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:41:49,987 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 346 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:49,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 66 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 20:41:50,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109097 states. [2021-12-06 20:41:51,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109097 to 109086. [2021-12-06 20:41:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109086 states, 109085 states have (on average 1.06712196910666) internal successors, (116407), 109085 states have internal predecessors, (116407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:51,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109086 states to 109086 states and 116407 transitions. [2021-12-06 20:41:51,272 INFO L78 Accepts]: Start accepts. Automaton has 109086 states and 116407 transitions. Word has length 1194 [2021-12-06 20:41:51,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:51,273 INFO L470 AbstractCegarLoop]: Abstraction has 109086 states and 116407 transitions. [2021-12-06 20:41:51,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 2 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 109086 states and 116407 transitions. [2021-12-06 20:41:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1249 [2021-12-06 20:41:51,336 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:51,337 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:51,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 20:41:51,337 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:51,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:51,338 INFO L85 PathProgramCache]: Analyzing trace with hash -13193804, now seen corresponding path program 1 times [2021-12-06 20:41:51,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:51,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765424886] [2021-12-06 20:41:51,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:51,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 1440 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-12-06 20:41:51,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:51,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765424886] [2021-12-06 20:41:51,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765424886] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:51,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:51,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:51,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067073069] [2021-12-06 20:41:51,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:51,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:51,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:51,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:51,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:51,757 INFO L87 Difference]: Start difference. First operand 109086 states and 116407 transitions. Second operand has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:53,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:53,543 INFO L93 Difference]: Finished difference Result 215185 states and 229486 transitions. [2021-12-06 20:41:53,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:53,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 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 1248 [2021-12-06 20:41:53,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:53,658 INFO L225 Difference]: With dead ends: 215185 [2021-12-06 20:41:53,658 INFO L226 Difference]: Without dead ends: 106101 [2021-12-06 20:41:53,695 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:41:53,695 INFO L933 BasicCegarLoop]: 603 mSDtfsCounter, 105 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:53,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 648 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1090 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 20:41:53,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106101 states. [2021-12-06 20:41:54,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106101 to 92916. [2021-12-06 20:41:54,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92916 states, 92915 states have (on average 1.0631329709949955) internal successors, (98781), 92915 states have internal predecessors, (98781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92916 states to 92916 states and 98781 transitions. [2021-12-06 20:41:54,810 INFO L78 Accepts]: Start accepts. Automaton has 92916 states and 98781 transitions. Word has length 1248 [2021-12-06 20:41:54,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:54,811 INFO L470 AbstractCegarLoop]: Abstraction has 92916 states and 98781 transitions. [2021-12-06 20:41:54,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 92916 states and 98781 transitions. [2021-12-06 20:41:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1269 [2021-12-06 20:41:54,871 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:54,872 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:54,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 20:41:54,872 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1920555225, now seen corresponding path program 1 times [2021-12-06 20:41:54,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:54,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170618257] [2021-12-06 20:41:54,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:54,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2363 backedges. 2019 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2021-12-06 20:41:55,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:55,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170618257] [2021-12-06 20:41:55,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170618257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:55,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:55,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:41:55,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788164577] [2021-12-06 20:41:55,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:55,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:41:55,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:55,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:41:55,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:41:55,297 INFO L87 Difference]: Start difference. First operand 92916 states and 98781 transitions. Second operand has 5 states, 5 states have (on average 201.8) internal successors, (1009), 5 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:58,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:58,165 INFO L93 Difference]: Finished difference Result 206687 states and 219571 transitions. [2021-12-06 20:41:58,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:41:58,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 201.8) internal successors, (1009), 5 states have internal predecessors, (1009), 0 states have call successors, (0), 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 1268 [2021-12-06 20:41:58,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:58,279 INFO L225 Difference]: With dead ends: 206687 [2021-12-06 20:41:58,279 INFO L226 Difference]: Without dead ends: 113348 [2021-12-06 20:41:58,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:41:58,319 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 1320 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 2591 mSolverCounterSat, 483 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 3074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 483 IncrementalHoareTripleChecker+Valid, 2591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:58,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1320 Valid, 154 Invalid, 3074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [483 Valid, 2591 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 20:41:58,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113348 states. [2021-12-06 20:41:59,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113348 to 79267. [2021-12-06 20:41:59,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79267 states, 79266 states have (on average 1.060353745616027) internal successors, (84050), 79266 states have internal predecessors, (84050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79267 states to 79267 states and 84050 transitions. [2021-12-06 20:41:59,302 INFO L78 Accepts]: Start accepts. Automaton has 79267 states and 84050 transitions. Word has length 1268 [2021-12-06 20:41:59,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:59,303 INFO L470 AbstractCegarLoop]: Abstraction has 79267 states and 84050 transitions. [2021-12-06 20:41:59,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 201.8) internal successors, (1009), 5 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:41:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 79267 states and 84050 transitions. [2021-12-06 20:41:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1361 [2021-12-06 20:41:59,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:59,361 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:41:59,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 20:41:59,361 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:59,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:59,362 INFO L85 PathProgramCache]: Analyzing trace with hash 6906560, now seen corresponding path program 1 times [2021-12-06 20:41:59,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:41:59,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882893979] [2021-12-06 20:41:59,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:59,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:41:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2879 backedges. 1734 proven. 0 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2021-12-06 20:41:59,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:41:59,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882893979] [2021-12-06 20:41:59,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882893979] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:59,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:59,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:59,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121107351] [2021-12-06 20:41:59,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:59,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:59,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:41:59,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:59,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:59,715 INFO L87 Difference]: Start difference. First operand 79267 states and 84050 transitions. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:01,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:01,424 INFO L93 Difference]: Finished difference Result 164079 states and 174035 transitions. [2021-12-06 20:42:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:42:01,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 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 1360 [2021-12-06 20:42:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:01,498 INFO L225 Difference]: With dead ends: 164079 [2021-12-06 20:42:01,498 INFO L226 Difference]: Without dead ends: 84814 [2021-12-06 20:42:01,613 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:42:01,614 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 317 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:01,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 194 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 20:42:01,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84814 states. [2021-12-06 20:42:02,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84814 to 84809. [2021-12-06 20:42:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84809 states, 84808 states have (on average 1.0593104424110933) internal successors, (89838), 84808 states have internal predecessors, (89838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84809 states to 84809 states and 89838 transitions. [2021-12-06 20:42:02,420 INFO L78 Accepts]: Start accepts. Automaton has 84809 states and 89838 transitions. Word has length 1360 [2021-12-06 20:42:02,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:02,421 INFO L470 AbstractCegarLoop]: Abstraction has 84809 states and 89838 transitions. [2021-12-06 20:42:02,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:02,421 INFO L276 IsEmpty]: Start isEmpty. Operand 84809 states and 89838 transitions. [2021-12-06 20:42:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1367 [2021-12-06 20:42:02,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:02,481 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:42:02,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 20:42:02,481 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:02,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:02,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1259808514, now seen corresponding path program 1 times [2021-12-06 20:42:02,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:42:02,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171422503] [2021-12-06 20:42:02,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:02,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:42:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2609 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 2336 trivial. 0 not checked. [2021-12-06 20:42:02,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:42:02,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171422503] [2021-12-06 20:42:02,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171422503] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:42:02,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:42:02,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:42:02,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245300337] [2021-12-06 20:42:02,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:42:02,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:42:02,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:42:02,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:42:02,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:42:02,896 INFO L87 Difference]: Start difference. First operand 84809 states and 89838 transitions. Second operand has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:04,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:04,671 INFO L93 Difference]: Finished difference Result 172597 states and 182756 transitions. [2021-12-06 20:42:04,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:42:04,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 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 1366 [2021-12-06 20:42:04,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:04,749 INFO L225 Difference]: With dead ends: 172597 [2021-12-06 20:42:04,749 INFO L226 Difference]: Without dead ends: 86940 [2021-12-06 20:42:04,780 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:42:04,780 INFO L933 BasicCegarLoop]: 524 mSDtfsCounter, 459 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:04,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [459 Valid, 541 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 20:42:04,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86940 states. [2021-12-06 20:42:05,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86940 to 80978. [2021-12-06 20:42:05,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80978 states, 80977 states have (on average 1.0588191708756807) internal successors, (85740), 80977 states have internal predecessors, (85740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:05,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80978 states to 80978 states and 85740 transitions. [2021-12-06 20:42:05,738 INFO L78 Accepts]: Start accepts. Automaton has 80978 states and 85740 transitions. Word has length 1366 [2021-12-06 20:42:05,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:05,739 INFO L470 AbstractCegarLoop]: Abstraction has 80978 states and 85740 transitions. [2021-12-06 20:42:05,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:05,739 INFO L276 IsEmpty]: Start isEmpty. Operand 80978 states and 85740 transitions. [2021-12-06 20:42:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1464 [2021-12-06 20:42:05,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:05,820 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:42:05,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-06 20:42:05,821 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:05,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:05,821 INFO L85 PathProgramCache]: Analyzing trace with hash 697937996, now seen corresponding path program 1 times [2021-12-06 20:42:05,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:42:05,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054661028] [2021-12-06 20:42:05,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:05,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:42:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 453 proven. 901 refuted. 0 times theorem prover too weak. 1679 trivial. 0 not checked. [2021-12-06 20:42:06,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:42:06,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054661028] [2021-12-06 20:42:06,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054661028] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:42:06,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974273237] [2021-12-06 20:42:06,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:06,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:42:06,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:42:06,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:42:06,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:42:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:06,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 1720 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 20:42:06,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:42:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 898 proven. 848 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2021-12-06 20:42:08,257 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:42:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 898 proven. 848 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2021-12-06 20:42:09,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974273237] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:42:09,957 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:42:09,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 8 [2021-12-06 20:42:09,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385521228] [2021-12-06 20:42:09,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:42:09,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:42:09,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:42:09,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:42:09,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:42:09,962 INFO L87 Difference]: Start difference. First operand 80978 states and 85740 transitions. Second operand has 8 states, 8 states have (on average 145.625) internal successors, (1165), 8 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:12,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:12,756 INFO L93 Difference]: Finished difference Result 164995 states and 174604 transitions. [2021-12-06 20:42:12,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:42:12,757 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 145.625) internal successors, (1165), 8 states have internal predecessors, (1165), 0 states have call successors, (0), 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 1463 [2021-12-06 20:42:12,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:12,829 INFO L225 Difference]: With dead ends: 164995 [2021-12-06 20:42:12,829 INFO L226 Difference]: Without dead ends: 83109 [2021-12-06 20:42:12,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2932 GetRequests, 2924 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:42:12,861 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 1339 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 3097 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1339 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 3097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:12,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1339 Valid, 110 Invalid, 3374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 3097 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-06 20:42:12,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83109 states. [2021-12-06 20:42:13,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83109 to 80978. [2021-12-06 20:42:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80978 states, 80977 states have (on average 1.058769774133396) internal successors, (85736), 80977 states have internal predecessors, (85736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80978 states to 80978 states and 85736 transitions. [2021-12-06 20:42:13,659 INFO L78 Accepts]: Start accepts. Automaton has 80978 states and 85736 transitions. Word has length 1463 [2021-12-06 20:42:13,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:13,660 INFO L470 AbstractCegarLoop]: Abstraction has 80978 states and 85736 transitions. [2021-12-06 20:42:13,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 145.625) internal successors, (1165), 8 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 80978 states and 85736 transitions. [2021-12-06 20:42:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1508 [2021-12-06 20:42:13,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:13,818 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 20:42:13,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 20:42:14,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:42:14,020 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:14,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:14,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1139116640, now seen corresponding path program 1 times [2021-12-06 20:42:14,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:42:14,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038837860] [2021-12-06 20:42:14,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:14,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:42:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3530 backedges. 1424 proven. 0 refuted. 0 times theorem prover too weak. 2106 trivial. 0 not checked. [2021-12-06 20:42:14,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:42:14,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038837860] [2021-12-06 20:42:14,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038837860] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:42:14,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:42:14,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:42:14,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140152431] [2021-12-06 20:42:14,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:42:14,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:42:14,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:42:14,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:42:14,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:42:14,539 INFO L87 Difference]: Start difference. First operand 80978 states and 85736 transitions. Second operand has 5 states, 5 states have (on average 139.8) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:16,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:16,679 INFO L93 Difference]: Finished difference Result 161622 states and 171146 transitions. [2021-12-06 20:42:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:42:16,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 139.8) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 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 1507 [2021-12-06 20:42:16,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:16,753 INFO L225 Difference]: With dead ends: 161622 [2021-12-06 20:42:16,753 INFO L226 Difference]: Without dead ends: 80550 [2021-12-06 20:42:16,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:42:16,786 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 767 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 2756 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 2774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:16,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [767 Valid, 142 Invalid, 2774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 2756 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 20:42:16,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80550 states. [2021-12-06 20:42:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80550 to 80547. [2021-12-06 20:42:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80547 states, 80546 states have (on average 1.058711792019467) internal successors, (85275), 80546 states have internal predecessors, (85275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:17,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80547 states to 80547 states and 85275 transitions. [2021-12-06 20:42:17,684 INFO L78 Accepts]: Start accepts. Automaton has 80547 states and 85275 transitions. Word has length 1507 [2021-12-06 20:42:17,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:17,684 INFO L470 AbstractCegarLoop]: Abstraction has 80547 states and 85275 transitions. [2021-12-06 20:42:17,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 139.8) internal successors, (699), 4 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 80547 states and 85275 transitions. [2021-12-06 20:42:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1664 [2021-12-06 20:42:17,749 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:17,750 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-12-06 20:42:17,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-12-06 20:42:17,750 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:17,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:17,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1311645076, now seen corresponding path program 1 times [2021-12-06 20:42:17,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:42:17,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035893667] [2021-12-06 20:42:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:17,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:42:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4082 backedges. 3169 proven. 0 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2021-12-06 20:42:18,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:42:18,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035893667] [2021-12-06 20:42:18,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035893667] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:42:18,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:42:18,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:42:18,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254122923] [2021-12-06 20:42:18,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:42:18,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:42:18,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:42:18,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:42:18,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:42:18,416 INFO L87 Difference]: Start difference. First operand 80547 states and 85275 transitions. Second operand has 4 states, 4 states have (on average 304.5) internal successors, (1218), 4 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:20,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:20,819 INFO L93 Difference]: Finished difference Result 183248 states and 193904 transitions. [2021-12-06 20:42:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:42:20,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 304.5) internal successors, (1218), 4 states have internal predecessors, (1218), 0 states have call successors, (0), 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 1663 [2021-12-06 20:42:20,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:20,821 INFO L225 Difference]: With dead ends: 183248 [2021-12-06 20:42:20,821 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 20:42:20,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:42:20,864 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 563 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 2041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:20,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [563 Valid, 101 Invalid, 2041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 20:42:20,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 20:42:20,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 20:42:20,865 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) [2021-12-06 20:42:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 20:42:20,865 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1663 [2021-12-06 20:42:20,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:20,866 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:42:20,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 304.5) internal successors, (1218), 4 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:42:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:42:20,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 20:42:20,868 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 20:42:20,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-12-06 20:42:20,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 20:42:48,129 WARN L227 SmtUtils]: Spent 27.24s on a formula simplification. DAG size of input: 1562 DAG size of output: 1461 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 20:43:14,227 WARN L227 SmtUtils]: Spent 26.09s on a formula simplification. DAG size of input: 1528 DAG size of output: 1427 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 20:43:41,043 WARN L227 SmtUtils]: Spent 26.81s on a formula simplification. DAG size of input: 1562 DAG size of output: 1461 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 20:43:53,127 WARN L227 SmtUtils]: Spent 12.07s on a formula simplification. DAG size of input: 1461 DAG size of output: 142 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 20:44:03,699 WARN L227 SmtUtils]: Spent 10.56s on a formula simplification. DAG size of input: 1427 DAG size of output: 136 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 20:44:16,193 WARN L227 SmtUtils]: Spent 12.49s on a formula simplification. DAG size of input: 1461 DAG size of output: 142 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 20:44:16,195 INFO L858 garLoopResultBuilder]: For program point L894(lines 894 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,195 INFO L858 garLoopResultBuilder]: For program point L1687(lines 1687 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,195 INFO L858 garLoopResultBuilder]: For program point L1555(lines 1555 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L2084(lines 2084 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1037) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L1027-2(lines 1027 1037) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L1556(lines 1556 1560) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L1556-2(lines 1556 1560) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L1424(lines 1424 1433) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L1424-2(lines 1424 1433) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L2349(lines 2349 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L2085(lines 2085 2095) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L2085-2(lines 2085 2095) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L500(lines 500 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L2482(lines 2482 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L2350(lines 2350 2360) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L2350-2(lines 2350 2360) no Hoare annotation was computed. [2021-12-06 20:44:16,196 INFO L858 garLoopResultBuilder]: For program point L104-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L1822(lines 1822 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L2219(lines 2219 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L1955(lines 1955 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L2220(lines 2220 2229) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L2220-2(lines 2220 2229) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L1692(lines 1692 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L635(lines 635 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L2485(lines 2485 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L107-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L1693(lines 1693 1703) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L1693-2(lines 1693 1703) no Hoare annotation was computed. [2021-12-06 20:44:16,197 INFO L858 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1561(lines 1561 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L108(line 108) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L901(lines 901 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L110-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1960(lines 1960 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1828(lines 1828 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L2489(lines 2489 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1829(lines 1829 1840) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L772(lines 772 780) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1829-2(lines 1829 1840) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1301(lines 1301 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1169(lines 1169 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1566(lines 1566 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,198 INFO L858 garLoopResultBuilder]: For program point L1434(lines 1434 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L1038(lines 1038 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 387) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L378-2(lines 378 387) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L114(line 114) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L2096(lines 2096 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L2361(lines 2361 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L2230(lines 2230 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L116-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L1966(lines 1966 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 918) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L909-2(lines 909 918) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L1438(lines 1438 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,199 INFO L858 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L2496(lines 2496 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L1439(lines 1439 1449) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L1439-2(lines 1439 1449) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L1307(lines 1307 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L1176(lines 1176 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L119-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L1044(lines 1044 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L1573(lines 1573 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L2234(lines 2234 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L2102(lines 2102 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L781(lines 781 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L650(lines 650 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L2368(lines 2368 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,200 INFO L858 garLoopResultBuilder]: For program point L122-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L2501(lines 2501 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L2105(lines 2105 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1973(lines 1973 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1841(lines 1841 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1313(lines 1313 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1974(lines 1974 1984) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1974-2(lines 1974 1984) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1710(lines 1710 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L125-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1050(lines 1050 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L786(lines 786 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L126(line 126) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L919(lines 919 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,201 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L2241(lines 2241 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L2506(lines 2506 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L2242(lines 2242 2253) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L2242-2(lines 2242 2253) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L128-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L1450(lines 1450 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L2375(lines 2375 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L129(line 129) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L2111(lines 2111 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L1847(lines 1847 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L923(lines 923 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L791(lines 791 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L1584(lines 1584 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L395(lines 395 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L131-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,202 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 141) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1717(lines 1717 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1585(lines 1585 1591) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1585-2(lines 1585 1591) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1189(lines 1189 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1718(lines 1718 1727) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1718-2(lines 1718 1727) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1454(lines 1454 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L2115(lines 2115 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L2512(lines 2512 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L134-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L2116(lines 2116 2122) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L2116-2(lines 2116 2122) no Hoare annotation was computed. [2021-12-06 20:44:16,203 INFO L858 garLoopResultBuilder]: For program point L1852(lines 1852 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L2381(lines 2381 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L135(line 135) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L1985(lines 1985 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 541) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L532-2(lines 532 541) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L137-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L930(lines 930 939) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L930-2(lines 930 939) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L1855(lines 1855 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L1195(lines 1195 1206) no Hoare annotation was computed. [2021-12-06 20:44:16,204 INFO L858 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L1195-2(lines 1195 1206) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L1989(lines 1989 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L1461(lines 1461 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L2254(lines 2254 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L140-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L2519(lines 2519 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L2387(lines 2387 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L2255(lines 2255 2265) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L141(line 141) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L2255-2(lines 2255 2265) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L1066(lines 1066 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L2123(lines 2123 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L1728(lines 1728 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,205 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L1597(lines 1597 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L1994(lines 1994 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L1862(lines 1862 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L2524(lines 2524 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L1467(lines 1467 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L2392(lines 2392 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L146-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L2128(lines 2128 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L1600(lines 1600 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L1733(lines 1733 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L677(lines 677 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,206 INFO L858 garLoopResultBuilder]: For program point L545(lines 545 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L2527(lines 2527 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1338(lines 1338 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L810(lines 810 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1339(lines 1339 1348) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1339-2(lines 1339 1348) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1868(lines 1868 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1472(lines 1472 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L2001(lines 2001 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1869(lines 1869 1877) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1869-2(lines 1869 1877) no Hoare annotation was computed. [2021-12-06 20:44:16,207 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 425) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L416-2(lines 416 425) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L284(lines 284 296) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L2266(lines 2266 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L284-2(lines 284 296) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L152-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L1606-2(lines 1606 1617) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L2399(lines 2399 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,208 INFO L858 garLoopResultBuilder]: For program point L153(line 153) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L2135(lines 2135 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L2532(lines 2532 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L2400(lines 2400 2412) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L2400-2(lines 2400 2412) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L1079(lines 1079 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L1740(lines 1740 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L683(lines 683 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L1212(lines 1212 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L155-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,209 INFO L858 garLoopResultBuilder]: For program point L2005(lines 2005 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L1477(lines 1477 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L2139(lines 2139 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L158-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L2537(lines 2537 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L2273(lines 2273 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L159(line 159) no Hoare annotation was computed. [2021-12-06 20:44:16,210 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L2538(lines 2538 2548) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L2538-2(lines 2538 2548) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L1349(lines 1349 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L1878(lines 1878 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L161-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L1086(lines 1086 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L558-2(lines 558 567) no Hoare annotation was computed. [2021-12-06 20:44:16,211 INFO L858 garLoopResultBuilder]: For program point L426(lines 426 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L1219(lines 1219 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L2012(lines 2012 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L1484(lines 1484 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L2145(lines 2145 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L956(lines 956 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L824(lines 824 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L2278(lines 2278 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L164-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L1618(lines 1618 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,212 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L1751(lines 1751 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L1356(lines 1356 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L2413(lines 2413 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L167-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L35-2(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L2017(lines 2017 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L1885(lines 1885 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L696(lines 696 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,213 INFO L858 garLoopResultBuilder]: For program point L2414(lines 2414 2425) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L2414-2(lines 2414 2425) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L168(line 168) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L2150(lines 2150 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 707) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L1226(lines 1226 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L962(lines 962 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L830(lines 830 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L1755(lines 1755 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,214 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L1491(lines 1491 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L170-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L38-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L2020(lines 2020 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L2549(lines 2549 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L2285(lines 2285 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,215 INFO L858 garLoopResultBuilder]: For program point L1362(lines 1362 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L1230(lines 1230 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L173-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L1098(lines 1098 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L2155(lines 2155 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L41-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L1891(lines 1891 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L1231(lines 1231 1240) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-12-06 20:44:16,216 INFO L858 garLoopResultBuilder]: For program point L1231-2(lines 1231 1240) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L836(lines 836 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L2554(lines 2554 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L1497(lines 1497 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L44-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L2026(lines 2026 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L1630(lines 1630 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L2291(lines 2291 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,217 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L575(lines 575 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L1500(lines 1500 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L179-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L1104(lines 1104 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L47-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L708(lines 708 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L2426(lines 2426 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,218 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L180(line 180) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L2162(lines 2162 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L2030(lines 2030 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L1898(lines 1898 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L1766(lines 1766 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L2031(lines 2031 2040) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L2031-2(lines 2031 2040) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L182-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,219 INFO L858 garLoopResultBuilder]: For program point L50-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L1636(lines 1636 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L2561(lines 2561 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L2297(lines 2297 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L713(lines 713 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,220 INFO L858 garLoopResultBuilder]: For program point L1374(lines 1374 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L1110(lines 1110 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L2167(lines 2167 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L53-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L1507(lines 1507 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L2432(lines 2432 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1386) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L1375-2(lines 1375 1386) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L186(line 186) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-06 20:44:16,221 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L1905(lines 1905 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L1773(lines 1773 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L188-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L56-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L1642(lines 1642 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L2567(lines 2567 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L2303(lines 2303 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L189(line 189) no Hoare annotation was computed. [2021-12-06 20:44:16,222 INFO L858 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L982(lines 982 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L586(lines 586 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L191-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L1116(lines 1116 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L2173(lines 2173 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L59-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,223 INFO L858 garLoopResultBuilder]: For program point L2041(lines 2041 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 728) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 728) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L1910(lines 1910 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L1646(lines 1646 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L1514(lines 1514 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L2439(lines 2439 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L2307(lines 2307 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,224 INFO L858 garLoopResultBuilder]: For program point L2440(lines 2440 2449) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L2440-2(lines 2440 2449) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L194-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L62-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L1780(lines 1780 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L2573(lines 2573 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L2178(lines 2178 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L857(lines 857 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L1254(lines 1254 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L197-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,225 INFO L858 garLoopResultBuilder]: For program point L65-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L858(lines 858 868) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L858-2(lines 858 868) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L1387(lines 1387 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L2312(lines 2312 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L198(line 198) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L1123(lines 1123 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L2048(lines 2048 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L1916(lines 1916 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L1520(lines 1520 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,226 INFO L858 garLoopResultBuilder]: For program point L1917(lines 1917 1925) no Hoare annotation was computed. [2021-12-06 20:44:16,227 INFO L858 garLoopResultBuilder]: For program point L1917-2(lines 1917 1925) no Hoare annotation was computed. [2021-12-06 20:44:16,227 INFO L854 garLoopResultBuilder]: At program point L1653(lines 34 1654) the Hoare annotation is: (let ((.cse26 (+ ~a14~0 182)) (.cse15 (<= ~a24~0 1)) (.cse19 (<= 111 ~a28~0))) (let ((.cse7 (<= (+ ~a14~0 85) 0)) (.cse18 (<= ~a26~0 93)) (.cse9 (= ~a24~0 1)) (.cse6 (<= ~a26~0 121)) (.cse23 (<= (+ ~a26~0 68) 0)) (.cse14 (or (and (< 124 ~a26~0) .cse15) (and .cse15 .cse19))) (.cse8 (<= 0 (+ 111 ~a14~0))) (.cse21 (<= ~a26~0 222)) (.cse4 (<= (+ ~a14~0 114) 0)) (.cse11 (<= ~a28~0 134)) (.cse10 (< 217 ~a26~0)) (.cse17 (<= ~a26~0 124)) (.cse22 (<= (+ ~a14~0 548475) 0)) (.cse16 (= ~a24~0 3)) (.cse12 (<= .cse26 0)) (.cse20 (<= ~a26~0 215)) (.cse5 (<= 125 ~a26~0)) (.cse13 (<= 0 (+ ~a14~0 600000))) (.cse2 (< 0 .cse26)) (.cse24 (<= (+ ~a14~0 84) 0)) (.cse0 (<= ~a21~0 124)) (.cse1 (<= (div (* ~a26~0 9) 10) 554786)) (.cse3 (= ~a24~0 2)) (.cse25 (<= 38 ~a28~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3) (and .cse0 .cse9 (<= (+ 571455 ~a28~0) 0) .cse1 .cse10 .cse11) (and .cse0 .cse12 .cse1 .cse3 .cse13) (and .cse0 (<= 86 ~a28~0) (<= ~a26~0 559736) .cse14) (and .cse7 .cse15) (and .cse16 .cse0 .cse7 .cse2 .cse17 .cse11) (and .cse0 .cse2 .cse3 .cse4 .cse18) (and .cse16 .cse0 .cse18 .cse19) (and .cse0 (<= ~a28~0 37) .cse9 (<= 555392 ~a14~0) .cse1 .cse10 .cse11) (and .cse0 .cse2 .cse3 .cse20 .cse5) (and .cse6 .cse16 .cse0 .cse8 .cse19) (and .cse21 .cse20 .cse14) (and .cse16 .cse0 .cse22 .cse23) (and .cse16 .cse0 .cse2 .cse17 .cse4) (and .cse15 .cse23) (and .cse0 .cse8 .cse1 .cse10 .cse3) (and .cse16 .cse0 .cse12 .cse1 .cse19 .cse13) (and .cse0 .cse21 .cse24 .cse14) (and .cse16 .cse0 .cse1 .cse2 .cse4 .cse11 .cse25) (and .cse0 .cse21 .cse8 .cse3 .cse5) (and .cse16 .cse0 .cse21 .cse2 .cse4 .cse11) (and .cse0 .cse10 .cse3 (<= ~a26~0 460652) .cse13) (and .cse0 (<= 244792 ~a14~0) .cse17 .cse3) (and .cse0 .cse15 .cse24 .cse20) (and .cse0 (<= (+ ~a26~0 278389) 0) .cse3 .cse22) (and (<= (+ ~a26~0 40337) 0) .cse16 .cse0 .cse2 .cse24) (and .cse16 .cse0 .cse12 .cse20 .cse5 .cse25 .cse13) (and .cse0 (<= (+ ~a26~0 766) 0) .cse2 .cse3 .cse24) (and .cse0 .cse1 .cse3 .cse25)))) [2021-12-06 20:44:16,227 INFO L858 garLoopResultBuilder]: For program point L200-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,227 INFO L858 garLoopResultBuilder]: For program point L2182(lines 2182 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,227 INFO L858 garLoopResultBuilder]: For program point L68-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,227 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,227 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L69(line 69) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L1787(lines 1787 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L854 garLoopResultBuilder]: At program point L2581(lines 1656 2582) the Hoare annotation is: (let ((.cse25 (+ ~a14~0 182)) (.cse12 (<= ~a24~0 1)) (.cse17 (<= 111 ~a28~0))) (let ((.cse7 (<= (+ ~a14~0 85) 0)) (.cse16 (<= ~a26~0 93)) (.cse6 (<= ~a26~0 121)) (.cse21 (<= (+ ~a26~0 68) 0)) (.cse11 (or (and (< 124 ~a26~0) .cse12) (and .cse12 .cse17))) (.cse8 (<= 0 (+ 111 ~a14~0))) (.cse19 (<= ~a26~0 222)) (.cse4 (<= (+ ~a14~0 114) 0)) (.cse15 (<= ~a28~0 134)) (.cse22 (< 217 ~a26~0)) (.cse14 (<= ~a26~0 124)) (.cse20 (<= (+ ~a14~0 548475) 0)) (.cse13 (= ~a24~0 3)) (.cse9 (<= .cse25 0)) (.cse18 (<= ~a26~0 215)) (.cse5 (<= 125 ~a26~0)) (.cse10 (<= 0 (+ ~a14~0 600000))) (.cse2 (< 0 .cse25)) (.cse23 (<= (+ ~a14~0 84) 0)) (.cse0 (<= ~a21~0 124)) (.cse1 (<= (div (* ~a26~0 9) 10) 554786)) (.cse3 (= ~a24~0 2)) (.cse24 (<= 38 ~a28~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3) (and .cse0 .cse9 .cse1 .cse3 .cse10) (and .cse0 (<= 86 ~a28~0) (<= ~a26~0 559736) .cse11) (and .cse7 .cse12) (and .cse13 .cse0 .cse7 .cse2 .cse14 .cse15) (and .cse0 .cse2 .cse3 .cse4 .cse16) (and .cse13 .cse0 .cse16 .cse17) (and .cse0 .cse2 .cse3 .cse18 .cse5) (and .cse6 .cse13 .cse0 .cse8 .cse17) (and .cse19 .cse18 .cse11) (and .cse13 .cse0 .cse20 .cse21) (and .cse13 .cse0 .cse2 .cse14 .cse4) (and .cse12 .cse21) (and .cse0 .cse8 .cse1 .cse22 .cse3) (and .cse0 (= ~a24~0 1) (<= (+ 571455 ~a28~0) 0) .cse1 .cse23) (and .cse13 .cse0 .cse9 .cse1 .cse17 .cse10) (and .cse0 .cse19 .cse23 .cse11) (and .cse13 .cse0 .cse1 .cse2 .cse4 .cse15 .cse24) (and .cse0 .cse19 .cse8 .cse3 .cse5) (and .cse13 .cse0 .cse19 .cse2 .cse4 .cse15) (and .cse0 .cse22 .cse3 (<= ~a26~0 460652) .cse10) (and .cse0 (<= 244792 ~a14~0) .cse14 .cse3) (and .cse0 .cse12 .cse23 .cse18) (and .cse0 (<= (+ ~a26~0 278389) 0) .cse3 .cse20) (and (<= (+ ~a26~0 40337) 0) .cse13 .cse0 .cse2 .cse23) (and .cse13 .cse0 .cse9 .cse18 .cse5 .cse24 .cse10) (and .cse0 (<= (+ ~a26~0 766) 0) .cse2 .cse3 .cse23) (and .cse0 .cse1 .cse3 .cse24)))) [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L2317(lines 2317 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L203-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L71-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L2053(lines 2053 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L1525(lines 1525 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L2450(lines 2450 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L1393(lines 1393 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,228 INFO L858 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L1129(lines 1129 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L1659(lines 1659 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L861 garLoopResultBuilder]: At program point L2584(lines 2584 2600) the Hoare annotation is: true [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L206-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L2188(lines 2188 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 746) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L736-2(lines 736 746) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L1926(lines 1926 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L1794(lines 1794 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,229 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L2323(lines 2323 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L209-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L77-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L1531(lines 1531 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L2456(lines 2456 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L1399(lines 1399 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L1135(lines 1135 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L2060(lines 2060 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L1664(lines 1664 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L854 garLoopResultBuilder]: At program point L2590-2(lines 2590 2599) the Hoare annotation is: (let ((.cse26 (+ ~a14~0 182)) (.cse15 (<= ~a24~0 1)) (.cse19 (<= 111 ~a28~0))) (let ((.cse7 (<= (+ ~a14~0 85) 0)) (.cse18 (<= ~a26~0 93)) (.cse9 (= ~a24~0 1)) (.cse6 (<= ~a26~0 121)) (.cse23 (<= (+ ~a26~0 68) 0)) (.cse14 (or (and (< 124 ~a26~0) .cse15) (and .cse15 .cse19))) (.cse8 (<= 0 (+ 111 ~a14~0))) (.cse21 (<= ~a26~0 222)) (.cse4 (<= (+ ~a14~0 114) 0)) (.cse11 (<= ~a28~0 134)) (.cse10 (< 217 ~a26~0)) (.cse17 (<= ~a26~0 124)) (.cse22 (<= (+ ~a14~0 548475) 0)) (.cse16 (= ~a24~0 3)) (.cse12 (<= .cse26 0)) (.cse20 (<= ~a26~0 215)) (.cse5 (<= 125 ~a26~0)) (.cse13 (<= 0 (+ ~a14~0 600000))) (.cse2 (< 0 .cse26)) (.cse24 (<= (+ ~a14~0 84) 0)) (.cse0 (<= ~a21~0 124)) (.cse1 (<= (div (* ~a26~0 9) 10) 554786)) (.cse3 (= ~a24~0 2)) (.cse25 (<= 38 ~a28~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3) (and .cse0 .cse9 (<= (+ 571455 ~a28~0) 0) .cse1 .cse10 .cse11) (and .cse0 .cse12 .cse1 .cse3 .cse13) (and .cse0 (<= 86 ~a28~0) (<= ~a26~0 559736) .cse14) (and .cse7 .cse15) (and .cse16 .cse0 .cse7 .cse2 .cse17 .cse11) (and .cse0 .cse2 .cse3 .cse4 .cse18) (and .cse16 .cse0 .cse18 .cse19) (and .cse0 (<= ~a28~0 37) .cse9 (<= 555392 ~a14~0) .cse1 .cse10 .cse11) (and .cse0 .cse2 .cse3 .cse20 .cse5) (and .cse6 .cse16 .cse0 .cse8 .cse19) (and .cse21 .cse20 .cse14) (and .cse16 .cse0 .cse22 .cse23) (and .cse16 .cse0 .cse2 .cse17 .cse4) (and .cse15 .cse23) (and .cse0 .cse8 .cse1 .cse10 .cse3) (and .cse16 .cse0 .cse12 .cse1 .cse19 .cse13) (and .cse0 .cse21 .cse24 .cse14) (and .cse16 .cse0 .cse1 .cse2 .cse4 .cse11 .cse25) (and .cse0 .cse21 .cse8 .cse3 .cse5) (and .cse16 .cse0 .cse21 .cse2 .cse4 .cse11) (and .cse0 .cse10 .cse3 (<= ~a26~0 460652) .cse13) (and .cse0 (<= 244792 ~a14~0) .cse17 .cse3) (and .cse0 .cse15 .cse24 .cse20) (and .cse0 (<= (+ ~a26~0 278389) 0) .cse3 .cse22) (and (<= (+ ~a26~0 40337) 0) .cse16 .cse0 .cse2 .cse24) (and .cse16 .cse0 .cse12 .cse20 .cse5 .cse25 .cse13) (and .cse0 (<= (+ ~a26~0 766) 0) .cse2 .cse3 .cse24) (and .cse0 .cse1 .cse3 .cse25)))) [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L212-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L80-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L1005(lines 1005 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,230 INFO L858 garLoopResultBuilder]: For program point L609(lines 609 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L2327(lines 2327 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L213(line 213) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L2195(lines 2195 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L610(lines 610 615) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L610-2(lines 610 615) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L1535(lines 1535 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L2328(lines 2328 2339) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L2328-2(lines 2328 2339) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L2196(lines 2196 2206) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L2196-2(lines 2196 2206) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L1932(lines 1932 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L1272(lines 1272 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L215-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L1140(lines 1140 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L83-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,231 INFO L858 garLoopResultBuilder]: For program point L1801(lines 1801 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1669(lines 1669 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1009(lines 1009 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1802(lines 1802 1810) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1802-2(lines 1802 1810) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L2595(line 2595) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1406(lines 1406 1415) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L2463(lines 2463 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1406-2(lines 1406 1415) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L2067(lines 2067 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L747(lines 747 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1937(lines 1937 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L1673(lines 1673 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,232 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L1541(lines 1541 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L1277(lines 1277 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L881(lines 881 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L617(lines 617 627) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L617-2(lines 617 627) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L485(lines 485 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L89-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L2073(lines 2073 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L2470(lines 2470 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L92-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L1942(lines 1942 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,233 INFO L858 garLoopResultBuilder]: For program point L1282(lines 1282 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L2207(lines 2207 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1943(lines 1943 1954) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1943-2(lines 1943 1954) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1811(lines 1811 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L2340(lines 2340 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1680(lines 1680 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1548(lines 1548 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1416(lines 1416 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L2079(lines 2079 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L2344(lines 2344 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,234 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L759(lines 759 770) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L759-2(lines 759 770) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L2477(lines 2477 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L2213(lines 2213 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L1817(lines 1817 2580) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L628(lines 628 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L1289(lines 1289 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 34 1654) no Hoare annotation was computed. [2021-12-06 20:44:16,235 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1652) no Hoare annotation was computed. [2021-12-06 20:44:16,237 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:44:16,238 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:44:16,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:44:16 BoogieIcfgContainer [2021-12-06 20:44:16,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:44:16,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:44:16,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:44:16,270 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:44:16,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:10" (3/4) ... [2021-12-06 20:44:16,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 20:44:16,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-06 20:44:16,312 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 20:44:16,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 20:44:16,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 20:44:16,478 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 20:44:16,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:44:16,479 INFO L158 Benchmark]: Toolchain (without parser) took 250100.81ms. Allocated memory was 109.1MB in the beginning and 7.6GB in the end (delta: 7.5GB). Free memory was 64.6MB in the beginning and 4.9GB in the end (delta: -4.9GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2021-12-06 20:44:16,479 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:44:16,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 971.72ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 64.4MB in the beginning and 68.1MB in the end (delta: -3.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-12-06 20:44:16,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.87ms. Allocated memory is still 140.5MB. Free memory was 68.1MB in the beginning and 58.6MB in the end (delta: 9.4MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2021-12-06 20:44:16,479 INFO L158 Benchmark]: Boogie Preprocessor took 242.07ms. Allocated memory is still 140.5MB. Free memory was 58.6MB in the beginning and 41.2MB in the end (delta: 17.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2021-12-06 20:44:16,480 INFO L158 Benchmark]: RCFGBuilder took 2685.47ms. Allocated memory was 140.5MB in the beginning and 285.2MB in the end (delta: 144.7MB). Free memory was 41.2MB in the beginning and 107.9MB in the end (delta: -66.7MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2021-12-06 20:44:16,480 INFO L158 Benchmark]: TraceAbstraction took 245776.26ms. Allocated memory was 285.2MB in the beginning and 7.6GB in the end (delta: 7.3GB). Free memory was 107.9MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. [2021-12-06 20:44:16,480 INFO L158 Benchmark]: Witness Printer took 208.18ms. Allocated memory is still 7.6GB. Free memory was 5.0GB in the beginning and 4.9GB in the end (delta: 67.8MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-12-06 20:44:16,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 971.72ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 64.4MB in the beginning and 68.1MB in the end (delta: -3.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 211.87ms. Allocated memory is still 140.5MB. Free memory was 68.1MB in the beginning and 58.6MB in the end (delta: 9.4MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 242.07ms. Allocated memory is still 140.5MB. Free memory was 58.6MB in the beginning and 41.2MB in the end (delta: 17.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2685.47ms. Allocated memory was 140.5MB in the beginning and 285.2MB in the end (delta: 144.7MB). Free memory was 41.2MB in the beginning and 107.9MB in the end (delta: -66.7MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * TraceAbstraction took 245776.26ms. Allocated memory was 285.2MB in the beginning and 7.6GB in the end (delta: 7.3GB). Free memory was 107.9MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 6.3GB. Max. memory is 16.1GB. * Witness Printer took 208.18ms. Allocated memory is still 7.6GB. Free memory was 5.0GB in the beginning and 4.9GB in the end (delta: 67.8MB). Peak memory consumption was 65.0MB. 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: 141]: 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, 590 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 245.7s, OverallIterations: 34, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 80.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 115.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17607 SdHoareTripleChecker+Valid, 64.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17607 mSDsluCounter, 14787 SdHoareTripleChecker+Invalid, 55.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 750 IncrementalHoareTripleChecker+Unchecked, 2260 mSDsCounter, 9046 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57422 IncrementalHoareTripleChecker+Invalid, 67218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9046 mSolverCounterUnsat, 12527 mSDtfsCounter, 57422 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6051 GetRequests, 5987 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121560occurred in iteration=20, InterpolantAutomatonStates: 120, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 28.5s AutomataMinimizationTime, 34 MinimizatonAttempts, 200003 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 894 NumberOfFragments, 1816 HoareAnnotationTreeSize, 4 FomulaSimplifications, 636278 FormulaSimplificationTreeSizeReduction, 80.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 685710 FormulaSimplificationTreeSizeReductionInter, 35.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 28236 NumberOfCodeBlocks, 28236 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 30915 ConstructedInterpolants, 39 QuantifiedInterpolants, 75727 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3930 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 41 InterpolantComputations, 32 PerfectInterpolantSequences, 45871/49434 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: 34]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a21 <= 124 && a26 * 9 / 10 <= 554786) && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && 125 <= a26) || ((((a26 <= 121 && a21 <= 124) && a14 + 85 <= 0) && 0 <= 111 + a14) && a24 == 2)) || (((((a21 <= 124 && a24 == 1) && 571455 + a28 <= 0) && a26 * 9 / 10 <= 554786) && 217 < a26) && a28 <= 134)) || ((((a21 <= 124 && a14 + 182 <= 0) && a26 * 9 / 10 <= 554786) && a24 == 2) && 0 <= a14 + 600000)) || (((a21 <= 124 && 86 <= a28) && a26 <= 559736) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || (a14 + 85 <= 0 && a24 <= 1)) || (((((a24 == 3 && a21 <= 124) && a14 + 85 <= 0) && 0 < a14 + 182) && a26 <= 124) && a28 <= 134)) || ((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && a26 <= 93)) || (((a24 == 3 && a21 <= 124) && a26 <= 93) && 111 <= a28)) || ((((((a21 <= 124 && a28 <= 37) && a24 == 1) && 555392 <= a14) && a26 * 9 / 10 <= 554786) && 217 < a26) && a28 <= 134)) || ((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a26 <= 215) && 125 <= a26)) || ((((a26 <= 121 && a24 == 3) && a21 <= 124) && 0 <= 111 + a14) && 111 <= a28)) || ((a26 <= 222 && a26 <= 215) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || (((a24 == 3 && a21 <= 124) && a14 + 548475 <= 0) && a26 + 68 <= 0)) || ((((a24 == 3 && a21 <= 124) && 0 < a14 + 182) && a26 <= 124) && a14 + 114 <= 0)) || (a24 <= 1 && a26 + 68 <= 0)) || ((((a21 <= 124 && 0 <= 111 + a14) && a26 * 9 / 10 <= 554786) && 217 < a26) && a24 == 2)) || (((((a24 == 3 && a21 <= 124) && a14 + 182 <= 0) && a26 * 9 / 10 <= 554786) && 111 <= a28) && 0 <= a14 + 600000)) || (((a21 <= 124 && a26 <= 222) && a14 + 84 <= 0) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || ((((((a24 == 3 && a21 <= 124) && a26 * 9 / 10 <= 554786) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 134) && 38 <= a28)) || ((((a21 <= 124 && a26 <= 222) && 0 <= 111 + a14) && a24 == 2) && 125 <= a26)) || (((((a24 == 3 && a21 <= 124) && a26 <= 222) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 134)) || ((((a21 <= 124 && 217 < a26) && a24 == 2) && a26 <= 460652) && 0 <= a14 + 600000)) || (((a21 <= 124 && 244792 <= a14) && a26 <= 124) && a24 == 2)) || (((a21 <= 124 && a24 <= 1) && a14 + 84 <= 0) && a26 <= 215)) || (((a21 <= 124 && a26 + 278389 <= 0) && a24 == 2) && a14 + 548475 <= 0)) || ((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && 0 < a14 + 182) && a14 + 84 <= 0)) || ((((((a24 == 3 && a21 <= 124) && a14 + 182 <= 0) && a26 <= 215) && 125 <= a26) && 38 <= a28) && 0 <= a14 + 600000)) || ((((a21 <= 124 && a26 + 766 <= 0) && 0 < a14 + 182) && a24 == 2) && a14 + 84 <= 0)) || (((a21 <= 124 && a26 * 9 / 10 <= 554786) && a24 == 2) && 38 <= a28) - InvariantResult [Line: 1656]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((a21 <= 124 && a26 * 9 / 10 <= 554786) && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && 125 <= a26) || ((((a26 <= 121 && a21 <= 124) && a14 + 85 <= 0) && 0 <= 111 + a14) && a24 == 2)) || ((((a21 <= 124 && a14 + 182 <= 0) && a26 * 9 / 10 <= 554786) && a24 == 2) && 0 <= a14 + 600000)) || (((a21 <= 124 && 86 <= a28) && a26 <= 559736) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || (a14 + 85 <= 0 && a24 <= 1)) || (((((a24 == 3 && a21 <= 124) && a14 + 85 <= 0) && 0 < a14 + 182) && a26 <= 124) && a28 <= 134)) || ((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && a26 <= 93)) || (((a24 == 3 && a21 <= 124) && a26 <= 93) && 111 <= a28)) || ((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a26 <= 215) && 125 <= a26)) || ((((a26 <= 121 && a24 == 3) && a21 <= 124) && 0 <= 111 + a14) && 111 <= a28)) || ((a26 <= 222 && a26 <= 215) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || (((a24 == 3 && a21 <= 124) && a14 + 548475 <= 0) && a26 + 68 <= 0)) || ((((a24 == 3 && a21 <= 124) && 0 < a14 + 182) && a26 <= 124) && a14 + 114 <= 0)) || (a24 <= 1 && a26 + 68 <= 0)) || ((((a21 <= 124 && 0 <= 111 + a14) && a26 * 9 / 10 <= 554786) && 217 < a26) && a24 == 2)) || ((((a21 <= 124 && a24 == 1) && 571455 + a28 <= 0) && a26 * 9 / 10 <= 554786) && a14 + 84 <= 0)) || (((((a24 == 3 && a21 <= 124) && a14 + 182 <= 0) && a26 * 9 / 10 <= 554786) && 111 <= a28) && 0 <= a14 + 600000)) || (((a21 <= 124 && a26 <= 222) && a14 + 84 <= 0) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || ((((((a24 == 3 && a21 <= 124) && a26 * 9 / 10 <= 554786) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 134) && 38 <= a28)) || ((((a21 <= 124 && a26 <= 222) && 0 <= 111 + a14) && a24 == 2) && 125 <= a26)) || (((((a24 == 3 && a21 <= 124) && a26 <= 222) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 134)) || ((((a21 <= 124 && 217 < a26) && a24 == 2) && a26 <= 460652) && 0 <= a14 + 600000)) || (((a21 <= 124 && 244792 <= a14) && a26 <= 124) && a24 == 2)) || (((a21 <= 124 && a24 <= 1) && a14 + 84 <= 0) && a26 <= 215)) || (((a21 <= 124 && a26 + 278389 <= 0) && a24 == 2) && a14 + 548475 <= 0)) || ((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && 0 < a14 + 182) && a14 + 84 <= 0)) || ((((((a24 == 3 && a21 <= 124) && a14 + 182 <= 0) && a26 <= 215) && 125 <= a26) && 38 <= a28) && 0 <= a14 + 600000)) || ((((a21 <= 124 && a26 + 766 <= 0) && 0 < a14 + 182) && a24 == 2) && a14 + 84 <= 0)) || (((a21 <= 124 && a26 * 9 / 10 <= 554786) && a24 == 2) && 38 <= a28) - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2590]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((a21 <= 124 && a26 * 9 / 10 <= 554786) && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && 125 <= a26) || ((((a26 <= 121 && a21 <= 124) && a14 + 85 <= 0) && 0 <= 111 + a14) && a24 == 2)) || (((((a21 <= 124 && a24 == 1) && 571455 + a28 <= 0) && a26 * 9 / 10 <= 554786) && 217 < a26) && a28 <= 134)) || ((((a21 <= 124 && a14 + 182 <= 0) && a26 * 9 / 10 <= 554786) && a24 == 2) && 0 <= a14 + 600000)) || (((a21 <= 124 && 86 <= a28) && a26 <= 559736) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || (a14 + 85 <= 0 && a24 <= 1)) || (((((a24 == 3 && a21 <= 124) && a14 + 85 <= 0) && 0 < a14 + 182) && a26 <= 124) && a28 <= 134)) || ((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a14 + 114 <= 0) && a26 <= 93)) || (((a24 == 3 && a21 <= 124) && a26 <= 93) && 111 <= a28)) || ((((((a21 <= 124 && a28 <= 37) && a24 == 1) && 555392 <= a14) && a26 * 9 / 10 <= 554786) && 217 < a26) && a28 <= 134)) || ((((a21 <= 124 && 0 < a14 + 182) && a24 == 2) && a26 <= 215) && 125 <= a26)) || ((((a26 <= 121 && a24 == 3) && a21 <= 124) && 0 <= 111 + a14) && 111 <= a28)) || ((a26 <= 222 && a26 <= 215) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || (((a24 == 3 && a21 <= 124) && a14 + 548475 <= 0) && a26 + 68 <= 0)) || ((((a24 == 3 && a21 <= 124) && 0 < a14 + 182) && a26 <= 124) && a14 + 114 <= 0)) || (a24 <= 1 && a26 + 68 <= 0)) || ((((a21 <= 124 && 0 <= 111 + a14) && a26 * 9 / 10 <= 554786) && 217 < a26) && a24 == 2)) || (((((a24 == 3 && a21 <= 124) && a14 + 182 <= 0) && a26 * 9 / 10 <= 554786) && 111 <= a28) && 0 <= a14 + 600000)) || (((a21 <= 124 && a26 <= 222) && a14 + 84 <= 0) && ((124 < a26 && a24 <= 1) || (a24 <= 1 && 111 <= a28)))) || ((((((a24 == 3 && a21 <= 124) && a26 * 9 / 10 <= 554786) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 134) && 38 <= a28)) || ((((a21 <= 124 && a26 <= 222) && 0 <= 111 + a14) && a24 == 2) && 125 <= a26)) || (((((a24 == 3 && a21 <= 124) && a26 <= 222) && 0 < a14 + 182) && a14 + 114 <= 0) && a28 <= 134)) || ((((a21 <= 124 && 217 < a26) && a24 == 2) && a26 <= 460652) && 0 <= a14 + 600000)) || (((a21 <= 124 && 244792 <= a14) && a26 <= 124) && a24 == 2)) || (((a21 <= 124 && a24 <= 1) && a14 + 84 <= 0) && a26 <= 215)) || (((a21 <= 124 && a26 + 278389 <= 0) && a24 == 2) && a14 + 548475 <= 0)) || ((((a26 + 40337 <= 0 && a24 == 3) && a21 <= 124) && 0 < a14 + 182) && a14 + 84 <= 0)) || ((((((a24 == 3 && a21 <= 124) && a14 + 182 <= 0) && a26 <= 215) && 125 <= a26) && 38 <= a28) && 0 <= a14 + 600000)) || ((((a21 <= 124 && a26 + 766 <= 0) && 0 < a14 + 182) && a24 == 2) && a14 + 84 <= 0)) || (((a21 <= 124 && a26 * 9 / 10 <= 554786) && a24 == 2) && 38 <= a28) RESULT: Ultimate proved your program to be correct! [2021-12-06 20:44:16,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eebd066e-305e-4bc9-8693-288a58915d82/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE