./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label08.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_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/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_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/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_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/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 8bb11b03e1d6962fa6d12d5d93aa1dd97aef360b3e232443e9b2cf50f9d87a21 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:46:12,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:46:12,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:46:12,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:46:12,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:46:12,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:46:12,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:46:12,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:46:12,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:46:12,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:46:12,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:46:12,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:46:12,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:46:12,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:46:12,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:46:12,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:46:12,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:46:12,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:46:12,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:46:12,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:46:12,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:46:12,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:46:12,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:46:12,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:46:12,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:46:12,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:46:12,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:46:12,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:46:12,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:46:12,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:46:12,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:46:12,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:46:12,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:46:12,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:46:12,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:46:12,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:46:12,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:46:12,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:46:12,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:46:12,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:46:12,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:46:12,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:46:12,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:46:12,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:46:12,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:46:12,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:46:12,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:46:12,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:46:12,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:46:12,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:46:12,088 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:46:12,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:46:12,088 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:46:12,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:46:12,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:46:12,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:46:12,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:46:12,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:46:12,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:46:12,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:46:12,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:46:12,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:46:12,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:46:12,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:46:12,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:46:12,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:46:12,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:46:12,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:46:12,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:46:12,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:46:12,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:46:12,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:46:12,092 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:46:12,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:46:12,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:46:12,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:46:12,093 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_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bb11b03e1d6962fa6d12d5d93aa1dd97aef360b3e232443e9b2cf50f9d87a21 [2021-12-06 20:46:12,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:46:12,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:46:12,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:46:12,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:46:12,300 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:46:12,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem15_label08.c [2021-12-06 20:46:12,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/data/0c78a179d/75e74b9cc6fc499e84607726782d5371/FLAG03340af37 [2021-12-06 20:46:12,846 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:46:12,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/sv-benchmarks/c/eca-rers2012/Problem15_label08.c [2021-12-06 20:46:12,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/data/0c78a179d/75e74b9cc6fc499e84607726782d5371/FLAG03340af37 [2021-12-06 20:46:13,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/data/0c78a179d/75e74b9cc6fc499e84607726782d5371 [2021-12-06 20:46:13,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:46:13,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:46:13,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:46:13,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:46:13,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:46:13,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:46:13" (1/1) ... [2021-12-06 20:46:13,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed04601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:13, skipping insertion in model container [2021-12-06 20:46:13,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:46:13" (1/1) ... [2021-12-06 20:46:13,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:46:13,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:46:13,579 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_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/sv-benchmarks/c/eca-rers2012/Problem15_label08.c[6299,6312] [2021-12-06 20:46:13,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:46:13,866 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:46:13,885 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_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/sv-benchmarks/c/eca-rers2012/Problem15_label08.c[6299,6312] [2021-12-06 20:46:14,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:46:14,106 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:46:14,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14 WrapperNode [2021-12-06 20:46:14,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:46:14,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:46:14,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:46:14,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:46:14,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,265 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-12-06 20:46:14,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:46:14,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:46:14,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:46:14,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:46:14,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:46:14,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:46:14,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:46:14,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:46:14,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (1/1) ... [2021-12-06 20:46:14,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:46:14,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:46:14,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:46:14,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:46:14,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:46:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:46:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:46:14,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:46:14,541 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:46:14,542 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:46:16,576 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:46:16,586 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:46:16,586 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:46:16,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:46:16 BoogieIcfgContainer [2021-12-06 20:46:16,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:46:16,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:46:16,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:46:16,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:46:16,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:46:13" (1/3) ... [2021-12-06 20:46:16,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27576362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:46:16, skipping insertion in model container [2021-12-06 20:46:16,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:46:14" (2/3) ... [2021-12-06 20:46:16,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27576362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:46:16, skipping insertion in model container [2021-12-06 20:46:16,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:46:16" (3/3) ... [2021-12-06 20:46:16,594 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label08.c [2021-12-06 20:46:16,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:46:16,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:46:16,636 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:46:16,640 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 20:46:16,641 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:46:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 20:46:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 20:46:16,664 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:16,665 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:46:16,665 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:16,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2021-12-06 20:46:16,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:16,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085835784] [2021-12-06 20:46:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:16,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:16,851 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 20:46:16,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:16,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085835784] [2021-12-06 20:46:16,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085835784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:16,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:16,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:46:16,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433813093] [2021-12-06 20:46:16,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:16,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:16,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:16,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:16,880 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 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 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 20:46:18,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:18,409 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-12-06 20:46:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:18,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2021-12-06 20:46:18,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:18,424 INFO L225 Difference]: With dead ends: 1155 [2021-12-06 20:46:18,424 INFO L226 Difference]: Without dead ends: 667 [2021-12-06 20:46:18,428 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 20:46:18,430 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 293 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:18,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [293 Valid, 371 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 20:46:18,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-12-06 20:46:18,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-12-06 20:46:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 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 20:46:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-12-06 20:46:18,487 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 51 [2021-12-06 20:46:18,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:18,488 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-12-06 20:46:18,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 20:46:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-12-06 20:46:18,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-06 20:46:18,492 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:18,492 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, 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 20:46:18,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:46:18,493 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:18,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:18,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1480819463, now seen corresponding path program 1 times [2021-12-06 20:46:18,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:18,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595988857] [2021-12-06 20:46:18,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:18,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:46:18,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:18,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595988857] [2021-12-06 20:46:18,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595988857] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:18,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:18,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:46:18,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575183342] [2021-12-06 20:46:18,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:18,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:18,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:18,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:18,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:18,601 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 20:46:20,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:20,416 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2021-12-06 20:46:20,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:20,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2021-12-06 20:46:20,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:20,423 INFO L225 Difference]: With dead ends: 1955 [2021-12-06 20:46:20,423 INFO L226 Difference]: Without dead ends: 1292 [2021-12-06 20:46:20,424 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 20:46:20,425 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 258 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:20,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 327 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 20:46:20,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2021-12-06 20:46:20,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2021-12-06 20:46:20,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 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 20:46:20,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2021-12-06 20:46:20,453 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 126 [2021-12-06 20:46:20,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:20,454 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2021-12-06 20:46:20,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 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 20:46:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2021-12-06 20:46:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-06 20:46:20,457 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:20,457 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, 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 20:46:20,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:46:20,457 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:20,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:20,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1300617233, now seen corresponding path program 1 times [2021-12-06 20:46:20,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:20,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295696625] [2021-12-06 20:46:20,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:20,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:46:20,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:20,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295696625] [2021-12-06 20:46:20,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295696625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:20,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:20,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:46:20,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472191134] [2021-12-06 20:46:20,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:20,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:20,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:20,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:20,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:20,545 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 20:46:22,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:22,390 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2021-12-06 20:46:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:22,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2021-12-06 20:46:22,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:22,400 INFO L225 Difference]: With dead ends: 3764 [2021-12-06 20:46:22,400 INFO L226 Difference]: Without dead ends: 2484 [2021-12-06 20:46:22,402 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 20:46:22,403 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:22,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 366 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 20:46:22,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-12-06 20:46:22,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2021-12-06 20:46:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 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 20:46:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2021-12-06 20:46:22,439 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 130 [2021-12-06 20:46:22,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:22,439 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2021-12-06 20:46:22,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 20:46:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2021-12-06 20:46:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-06 20:46:22,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:22,443 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, 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] [2021-12-06 20:46:22,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:46:22,443 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:22,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:22,443 INFO L85 PathProgramCache]: Analyzing trace with hash 26872092, now seen corresponding path program 1 times [2021-12-06 20:46:22,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:22,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477636998] [2021-12-06 20:46:22,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:22,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-06 20:46:22,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:22,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477636998] [2021-12-06 20:46:22,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477636998] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:22,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:22,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:46:22,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992683167] [2021-12-06 20:46:22,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:22,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:22,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:22,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:22,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:22,556 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 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 20:46:23,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:23,691 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2021-12-06 20:46:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:23,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2021-12-06 20:46:23,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:23,706 INFO L225 Difference]: With dead ends: 6166 [2021-12-06 20:46:23,706 INFO L226 Difference]: Without dead ends: 3986 [2021-12-06 20:46:23,708 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 20:46:23,709 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:23,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 20:46:23,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-12-06 20:46:23,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2021-12-06 20:46:23,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 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 20:46:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2021-12-06 20:46:23,763 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 221 [2021-12-06 20:46:23,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:23,763 INFO L470 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2021-12-06 20:46:23,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 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 20:46:23,763 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2021-12-06 20:46:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-12-06 20:46:23,767 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:23,767 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:23,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:46:23,768 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:23,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:23,768 INFO L85 PathProgramCache]: Analyzing trace with hash -758886988, now seen corresponding path program 1 times [2021-12-06 20:46:23,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:23,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643596221] [2021-12-06 20:46:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:23,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-06 20:46:23,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:23,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643596221] [2021-12-06 20:46:23,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643596221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:23,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:23,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:46:23,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663844984] [2021-12-06 20:46:23,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:23,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:23,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:23,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:23,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:23,907 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 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 20:46:25,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:25,238 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2021-12-06 20:46:25,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:25,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 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 323 [2021-12-06 20:46:25,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:25,253 INFO L225 Difference]: With dead ends: 7661 [2021-12-06 20:46:25,253 INFO L226 Difference]: Without dead ends: 3981 [2021-12-06 20:46:25,256 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 20:46:25,256 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:25,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 20:46:25,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-12-06 20:46:25,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2021-12-06 20:46:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 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 20:46:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2021-12-06 20:46:25,312 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 323 [2021-12-06 20:46:25,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:25,313 INFO L470 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2021-12-06 20:46:25,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 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 20:46:25,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2021-12-06 20:46:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-06 20:46:25,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:25,317 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:25,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:46:25,317 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:25,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:25,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1026245797, now seen corresponding path program 1 times [2021-12-06 20:46:25,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:25,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43217052] [2021-12-06 20:46:25,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:25,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-06 20:46:25,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:25,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43217052] [2021-12-06 20:46:25,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43217052] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:25,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:25,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:46:25,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391933882] [2021-12-06 20:46:25,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:25,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:25,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:25,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:25,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:25,437 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:46:27,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:27,582 INFO L93 Difference]: Finished difference Result 8857 states and 10953 transitions. [2021-12-06 20:46:27,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:27,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2021-12-06 20:46:27,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:27,600 INFO L225 Difference]: With dead ends: 8857 [2021-12-06 20:46:27,600 INFO L226 Difference]: Without dead ends: 5177 [2021-12-06 20:46:27,603 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 20:46:27,603 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 264 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:27,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 20:46:27,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2021-12-06 20:46:27,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 3678. [2021-12-06 20:46:27,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3678 states, 3677 states have (on average 1.2181125917867828) internal successors, (4479), 3677 states have internal predecessors, (4479), 0 states have call successors, (0), 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 20:46:27,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3678 states and 4479 transitions. [2021-12-06 20:46:27,658 INFO L78 Accepts]: Start accepts. Automaton has 3678 states and 4479 transitions. Word has length 338 [2021-12-06 20:46:27,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:27,659 INFO L470 AbstractCegarLoop]: Abstraction has 3678 states and 4479 transitions. [2021-12-06 20:46:27,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:46:27,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 4479 transitions. [2021-12-06 20:46:27,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-12-06 20:46:27,664 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:27,664 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:27,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:46:27,664 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:27,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:27,665 INFO L85 PathProgramCache]: Analyzing trace with hash 670102626, now seen corresponding path program 1 times [2021-12-06 20:46:27,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:27,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861207923] [2021-12-06 20:46:27,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:27,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-06 20:46:27,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:27,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861207923] [2021-12-06 20:46:27,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861207923] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:27,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:27,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:46:27,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879907843] [2021-12-06 20:46:27,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:27,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:27,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:27,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:27,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:27,790 INFO L87 Difference]: Start difference. First operand 3678 states and 4479 transitions. Second operand has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 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 20:46:29,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:29,284 INFO L93 Difference]: Finished difference Result 9157 states and 11369 transitions. [2021-12-06 20:46:29,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:29,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 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 397 [2021-12-06 20:46:29,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:29,304 INFO L225 Difference]: With dead ends: 9157 [2021-12-06 20:46:29,304 INFO L226 Difference]: Without dead ends: 5780 [2021-12-06 20:46:29,307 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 20:46:29,307 INFO L933 BasicCegarLoop]: 600 mSDtfsCounter, 277 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:29,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 20:46:29,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2021-12-06 20:46:29,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5182. [2021-12-06 20:46:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5181 states have (on average 1.1767998455896544) internal successors, (6097), 5181 states have internal predecessors, (6097), 0 states have call successors, (0), 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 20:46:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 6097 transitions. [2021-12-06 20:46:29,367 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 6097 transitions. Word has length 397 [2021-12-06 20:46:29,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:29,368 INFO L470 AbstractCegarLoop]: Abstraction has 5182 states and 6097 transitions. [2021-12-06 20:46:29,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.66666666666667) internal successors, (323), 3 states have internal predecessors, (323), 0 states have call successors, (0), 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 20:46:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 6097 transitions. [2021-12-06 20:46:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-06 20:46:29,371 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:29,371 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:29,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:46:29,371 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:29,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:29,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1374004594, now seen corresponding path program 1 times [2021-12-06 20:46:29,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:29,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890927966] [2021-12-06 20:46:29,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:29,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:29,529 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:46:29,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:29,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890927966] [2021-12-06 20:46:29,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890927966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:29,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:29,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:46:29,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969389654] [2021-12-06 20:46:29,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:29,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:29,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:29,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:29,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:29,532 INFO L87 Difference]: Start difference. First operand 5182 states and 6097 transitions. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 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 20:46:30,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:30,726 INFO L93 Difference]: Finished difference Result 10059 states and 11883 transitions. [2021-12-06 20:46:30,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:30,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 403 [2021-12-06 20:46:30,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:30,745 INFO L225 Difference]: With dead ends: 10059 [2021-12-06 20:46:30,745 INFO L226 Difference]: Without dead ends: 5178 [2021-12-06 20:46:30,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 20:46:30,749 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:30,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 20:46:30,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5178 states. [2021-12-06 20:46:30,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5178 to 5176. [2021-12-06 20:46:30,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5176 states, 5175 states have (on average 1.1586473429951691) internal successors, (5996), 5175 states have internal predecessors, (5996), 0 states have call successors, (0), 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 20:46:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5176 states to 5176 states and 5996 transitions. [2021-12-06 20:46:30,804 INFO L78 Accepts]: Start accepts. Automaton has 5176 states and 5996 transitions. Word has length 403 [2021-12-06 20:46:30,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:30,805 INFO L470 AbstractCegarLoop]: Abstraction has 5176 states and 5996 transitions. [2021-12-06 20:46:30,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 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 20:46:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 5176 states and 5996 transitions. [2021-12-06 20:46:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-12-06 20:46:30,808 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:30,808 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:30,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 20:46:30,809 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:30,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:30,809 INFO L85 PathProgramCache]: Analyzing trace with hash -19384805, now seen corresponding path program 1 times [2021-12-06 20:46:30,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:30,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518322060] [2021-12-06 20:46:30,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:30,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:46:30,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:30,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518322060] [2021-12-06 20:46:30,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518322060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:30,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:30,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:46:30,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846732856] [2021-12-06 20:46:30,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:30,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:30,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:30,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:30,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:30,963 INFO L87 Difference]: Start difference. First operand 5176 states and 5996 transitions. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 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 20:46:32,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:32,324 INFO L93 Difference]: Finished difference Result 11857 states and 13998 transitions. [2021-12-06 20:46:32,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:32,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 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 414 [2021-12-06 20:46:32,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:32,334 INFO L225 Difference]: With dead ends: 11857 [2021-12-06 20:46:32,335 INFO L226 Difference]: Without dead ends: 6982 [2021-12-06 20:46:32,338 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 20:46:32,339 INFO L933 BasicCegarLoop]: 561 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:32,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 599 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 20:46:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2021-12-06 20:46:32,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 6082. [2021-12-06 20:46:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6082 states, 6081 states have (on average 1.1494819930932412) internal successors, (6990), 6081 states have internal predecessors, (6990), 0 states have call successors, (0), 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 20:46:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6082 states to 6082 states and 6990 transitions. [2021-12-06 20:46:32,396 INFO L78 Accepts]: Start accepts. Automaton has 6082 states and 6990 transitions. Word has length 414 [2021-12-06 20:46:32,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:32,397 INFO L470 AbstractCegarLoop]: Abstraction has 6082 states and 6990 transitions. [2021-12-06 20:46:32,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 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 20:46:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 6082 states and 6990 transitions. [2021-12-06 20:46:32,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-12-06 20:46:32,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:32,401 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:46:32,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 20:46:32,401 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:32,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:32,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1017641080, now seen corresponding path program 1 times [2021-12-06 20:46:32,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:32,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301939342] [2021-12-06 20:46:32,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:32,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 49 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:46:32,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:32,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301939342] [2021-12-06 20:46:32,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301939342] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:46:32,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232920951] [2021-12-06 20:46:32,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:32,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:46:32,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:46:32,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:46:32,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:46:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:32,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:46:32,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:46:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 154 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:46:33,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:46:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 154 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:46:33,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232920951] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:46:33,704 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:46:33,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2021-12-06 20:46:33,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93833850] [2021-12-06 20:46:33,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:46:33,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:46:33,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:33,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:46:33,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:46:33,708 INFO L87 Difference]: Start difference. First operand 6082 states and 6990 transitions. Second operand has 9 states, 9 states have (on average 112.44444444444444) internal successors, (1012), 9 states have internal predecessors, (1012), 0 states have call successors, (0), 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 20:46:45,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:45,114 INFO L93 Difference]: Finished difference Result 30489 states and 36188 transitions. [2021-12-06 20:46:45,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 20:46:45,115 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 112.44444444444444) internal successors, (1012), 9 states have internal predecessors, (1012), 0 states have call successors, (0), 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 428 [2021-12-06 20:46:45,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:45,143 INFO L225 Difference]: With dead ends: 30489 [2021-12-06 20:46:45,143 INFO L226 Difference]: Without dead ends: 24708 [2021-12-06 20:46:45,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 884 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2021-12-06 20:46:45,150 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 4902 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 10509 mSolverCounterSat, 2947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4902 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 13456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2947 IncrementalHoareTripleChecker+Valid, 10509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:45,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4902 Valid, 376 Invalid, 13456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2947 Valid, 10509 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2021-12-06 20:46:45,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24708 states. [2021-12-06 20:46:45,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24708 to 18059. [2021-12-06 20:46:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18059 states, 18058 states have (on average 1.1579909181526193) internal successors, (20911), 18058 states have internal predecessors, (20911), 0 states have call successors, (0), 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 20:46:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18059 states to 18059 states and 20911 transitions. [2021-12-06 20:46:45,345 INFO L78 Accepts]: Start accepts. Automaton has 18059 states and 20911 transitions. Word has length 428 [2021-12-06 20:46:45,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:45,346 INFO L470 AbstractCegarLoop]: Abstraction has 18059 states and 20911 transitions. [2021-12-06 20:46:45,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 112.44444444444444) internal successors, (1012), 9 states have internal predecessors, (1012), 0 states have call successors, (0), 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 20:46:45,346 INFO L276 IsEmpty]: Start isEmpty. Operand 18059 states and 20911 transitions. [2021-12-06 20:46:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-12-06 20:46:45,349 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:45,350 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, 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, 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] [2021-12-06 20:46:45,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:46:45,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 20:46:45,551 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:45,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:45,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1122204088, now seen corresponding path program 1 times [2021-12-06 20:46:45,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:45,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854629637] [2021-12-06 20:46:45,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:45,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-12-06 20:46:45,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:45,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854629637] [2021-12-06 20:46:45,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854629637] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:45,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:45,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:46:45,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703949121] [2021-12-06 20:46:45,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:45,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:45,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:45,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:45,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:45,663 INFO L87 Difference]: Start difference. First operand 18059 states and 20911 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 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 20:46:47,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:47,022 INFO L93 Difference]: Finished difference Result 35520 states and 41185 transitions. [2021-12-06 20:46:47,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:47,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 430 [2021-12-06 20:46:47,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:47,042 INFO L225 Difference]: With dead ends: 35520 [2021-12-06 20:46:47,043 INFO L226 Difference]: Without dead ends: 17762 [2021-12-06 20:46:47,054 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 20:46:47,054 INFO L933 BasicCegarLoop]: 573 mSDtfsCounter, 236 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 877 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:47,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 611 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 877 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 20:46:47,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17762 states. [2021-12-06 20:46:47,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17762 to 17759. [2021-12-06 20:46:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17759 states, 17758 states have (on average 1.1166234936366708) internal successors, (19829), 17758 states have internal predecessors, (19829), 0 states have call successors, (0), 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 20:46:47,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17759 states to 17759 states and 19829 transitions. [2021-12-06 20:46:47,248 INFO L78 Accepts]: Start accepts. Automaton has 17759 states and 19829 transitions. Word has length 430 [2021-12-06 20:46:47,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:47,249 INFO L470 AbstractCegarLoop]: Abstraction has 17759 states and 19829 transitions. [2021-12-06 20:46:47,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 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 20:46:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 17759 states and 19829 transitions. [2021-12-06 20:46:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-12-06 20:46:47,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:47,254 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, 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, 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] [2021-12-06 20:46:47,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 20:46:47,255 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:47,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash -812489015, now seen corresponding path program 1 times [2021-12-06 20:46:47,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:47,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231659414] [2021-12-06 20:46:47,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:47,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-12-06 20:46:47,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:47,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231659414] [2021-12-06 20:46:47,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231659414] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:47,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:47,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:46:47,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487786292] [2021-12-06 20:46:47,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:47,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:47,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:47,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:47,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:47,388 INFO L87 Difference]: Start difference. First operand 17759 states and 19829 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 20:46:49,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:49,022 INFO L93 Difference]: Finished difference Result 40897 states and 46090 transitions. [2021-12-06 20:46:49,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:49,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 524 [2021-12-06 20:46:49,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:49,045 INFO L225 Difference]: With dead ends: 40897 [2021-12-06 20:46:49,046 INFO L226 Difference]: Without dead ends: 23439 [2021-12-06 20:46:49,058 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 20:46:49,058 INFO L933 BasicCegarLoop]: 426 mSDtfsCounter, 363 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:49,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 446 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 20:46:49,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23439 states. [2021-12-06 20:46:49,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23439 to 23439. [2021-12-06 20:46:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23439 states, 23438 states have (on average 1.1161788548510965) internal successors, (26161), 23438 states have internal predecessors, (26161), 0 states have call successors, (0), 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 20:46:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23439 states to 23439 states and 26161 transitions. [2021-12-06 20:46:49,297 INFO L78 Accepts]: Start accepts. Automaton has 23439 states and 26161 transitions. Word has length 524 [2021-12-06 20:46:49,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:49,297 INFO L470 AbstractCegarLoop]: Abstraction has 23439 states and 26161 transitions. [2021-12-06 20:46:49,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 20:46:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 23439 states and 26161 transitions. [2021-12-06 20:46:49,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2021-12-06 20:46:49,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:49,304 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:46:49,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 20:46:49,304 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:49,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:49,305 INFO L85 PathProgramCache]: Analyzing trace with hash -58137795, now seen corresponding path program 1 times [2021-12-06 20:46:49,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:49,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758226127] [2021-12-06 20:46:49,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:49,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-12-06 20:46:49,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:49,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758226127] [2021-12-06 20:46:49,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758226127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:49,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:49,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:46:49,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938315501] [2021-12-06 20:46:49,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:49,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:49,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:49,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:49,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:49,474 INFO L87 Difference]: Start difference. First operand 23439 states and 26161 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 20:46:51,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:51,048 INFO L93 Difference]: Finished difference Result 50479 states and 56155 transitions. [2021-12-06 20:46:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:51,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 592 [2021-12-06 20:46:51,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:51,071 INFO L225 Difference]: With dead ends: 50479 [2021-12-06 20:46:51,071 INFO L226 Difference]: Without dead ends: 27341 [2021-12-06 20:46:51,080 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 20:46:51,081 INFO L933 BasicCegarLoop]: 599 mSDtfsCounter, 275 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:51,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 637 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 20:46:51,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27341 states. [2021-12-06 20:46:51,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27341 to 26730. [2021-12-06 20:46:51,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26730 states, 26729 states have (on average 1.106925062666018) internal successors, (29587), 26729 states have internal predecessors, (29587), 0 states have call successors, (0), 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 20:46:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26730 states to 26730 states and 29587 transitions. [2021-12-06 20:46:51,371 INFO L78 Accepts]: Start accepts. Automaton has 26730 states and 29587 transitions. Word has length 592 [2021-12-06 20:46:51,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:51,372 INFO L470 AbstractCegarLoop]: Abstraction has 26730 states and 29587 transitions. [2021-12-06 20:46:51,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 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 20:46:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 26730 states and 29587 transitions. [2021-12-06 20:46:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2021-12-06 20:46:51,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:51,379 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:46:51,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 20:46:51,379 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:51,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:51,379 INFO L85 PathProgramCache]: Analyzing trace with hash -2133802672, now seen corresponding path program 1 times [2021-12-06 20:46:51,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:51,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499761465] [2021-12-06 20:46:51,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:51,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 584 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-06 20:46:51,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:51,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499761465] [2021-12-06 20:46:51,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499761465] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:46:51,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635959073] [2021-12-06 20:46:51,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:51,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:46:51,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:46:51,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:46:51,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:46:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:51,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:46:51,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:46:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 584 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-06 20:46:52,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:46:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 584 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-12-06 20:46:53,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635959073] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:46:53,156 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:46:53,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-06 20:46:53,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159200841] [2021-12-06 20:46:53,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:46:53,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:46:53,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:53,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:46:53,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:46:53,159 INFO L87 Difference]: Start difference. First operand 26730 states and 29587 transitions. Second operand has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 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 20:46:58,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:58,354 INFO L93 Difference]: Finished difference Result 62898 states and 69317 transitions. [2021-12-06 20:46:58,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 20:46:58,354 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 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 594 [2021-12-06 20:46:58,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:58,376 INFO L225 Difference]: With dead ends: 62898 [2021-12-06 20:46:58,376 INFO L226 Difference]: Without dead ends: 25237 [2021-12-06 20:46:58,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1197 GetRequests, 1183 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:46:58,389 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 3103 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 5203 mSolverCounterSat, 718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 5921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 5203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:58,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3103 Valid, 231 Invalid, 5921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 5203 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-06 20:46:58,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25237 states. [2021-12-06 20:46:58,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25237 to 18654. [2021-12-06 20:46:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18654 states, 18653 states have (on average 1.05114458800193) internal successors, (19607), 18653 states have internal predecessors, (19607), 0 states have call successors, (0), 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 20:46:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18654 states to 18654 states and 19607 transitions. [2021-12-06 20:46:58,583 INFO L78 Accepts]: Start accepts. Automaton has 18654 states and 19607 transitions. Word has length 594 [2021-12-06 20:46:58,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:58,583 INFO L470 AbstractCegarLoop]: Abstraction has 18654 states and 19607 transitions. [2021-12-06 20:46:58,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 82.55555555555556) internal successors, (743), 8 states have internal predecessors, (743), 0 states have call successors, (0), 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 20:46:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 18654 states and 19607 transitions. [2021-12-06 20:46:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2021-12-06 20:46:58,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:58,598 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:46:58,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-06 20:46:58,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 20:46:58,800 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:58,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:58,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1454267372, now seen corresponding path program 1 times [2021-12-06 20:46:58,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:46:58,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439053256] [2021-12-06 20:46:58,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:46:58,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:46:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:46:59,043 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 507 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-12-06 20:46:59,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:46:59,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439053256] [2021-12-06 20:46:59,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439053256] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:46:59,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:46:59,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:46:59,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127723481] [2021-12-06 20:46:59,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:46:59,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:46:59,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:46:59,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:46:59,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:46:59,045 INFO L87 Difference]: Start difference. First operand 18654 states and 19607 transitions. Second operand has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 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 20:46:59,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:59,871 INFO L93 Difference]: Finished difference Result 37303 states and 39242 transitions. [2021-12-06 20:46:59,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:46:59,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 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 697 [2021-12-06 20:46:59,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:59,886 INFO L225 Difference]: With dead ends: 37303 [2021-12-06 20:46:59,886 INFO L226 Difference]: Without dead ends: 19249 [2021-12-06 20:46:59,895 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 20:46:59,896 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 435 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:59,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [435 Valid, 67 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 20:46:59,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19249 states. [2021-12-06 20:47:00,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19249 to 18650. [2021-12-06 20:47:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18650 states, 18649 states have (on average 1.0509946914043649) internal successors, (19600), 18649 states have internal predecessors, (19600), 0 states have call successors, (0), 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 20:47:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18650 states to 18650 states and 19600 transitions. [2021-12-06 20:47:00,071 INFO L78 Accepts]: Start accepts. Automaton has 18650 states and 19600 transitions. Word has length 697 [2021-12-06 20:47:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:00,072 INFO L470 AbstractCegarLoop]: Abstraction has 18650 states and 19600 transitions. [2021-12-06 20:47:00,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 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 20:47:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 18650 states and 19600 transitions. [2021-12-06 20:47:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2021-12-06 20:47:00,080 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:00,081 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, 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:00,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 20:47:00,081 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:00,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:00,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1187352733, now seen corresponding path program 1 times [2021-12-06 20:47:00,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:00,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714505681] [2021-12-06 20:47:00,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:00,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-12-06 20:47:00,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:00,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714505681] [2021-12-06 20:47:00,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714505681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:00,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:00,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:47:00,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219955092] [2021-12-06 20:47:00,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:00,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:47:00,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:00,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:47:00,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:47:00,275 INFO L87 Difference]: Start difference. First operand 18650 states and 19600 transitions. Second operand has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 20:47:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:01,068 INFO L93 Difference]: Finished difference Result 41480 states and 43683 transitions. [2021-12-06 20:47:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:47:01,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 700 [2021-12-06 20:47:01,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:01,085 INFO L225 Difference]: With dead ends: 41480 [2021-12-06 20:47:01,085 INFO L226 Difference]: Without dead ends: 23430 [2021-12-06 20:47:01,093 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 20:47:01,094 INFO L933 BasicCegarLoop]: 484 mSDtfsCounter, 214 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:01,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 520 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 20:47:01,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23430 states. [2021-12-06 20:47:01,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23430 to 20739. [2021-12-06 20:47:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20739 states, 20738 states have (on average 1.0442183431382004) internal successors, (21655), 20738 states have internal predecessors, (21655), 0 states have call successors, (0), 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 20:47:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20739 states to 20739 states and 21655 transitions. [2021-12-06 20:47:01,295 INFO L78 Accepts]: Start accepts. Automaton has 20739 states and 21655 transitions. Word has length 700 [2021-12-06 20:47:01,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:01,296 INFO L470 AbstractCegarLoop]: Abstraction has 20739 states and 21655 transitions. [2021-12-06 20:47:01,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 20:47:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 20739 states and 21655 transitions. [2021-12-06 20:47:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2021-12-06 20:47:01,305 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:01,305 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:47:01,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 20:47:01,305 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:01,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:01,306 INFO L85 PathProgramCache]: Analyzing trace with hash -783309884, now seen corresponding path program 1 times [2021-12-06 20:47:01,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:01,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312717996] [2021-12-06 20:47:01,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:01,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-12-06 20:47:01,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:01,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312717996] [2021-12-06 20:47:01,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312717996] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:01,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:01,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:47:01,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605344739] [2021-12-06 20:47:01,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:01,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:47:01,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:01,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:47:01,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:47:01,520 INFO L87 Difference]: Start difference. First operand 20739 states and 21655 transitions. Second operand has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 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 20:47:02,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:02,577 INFO L93 Difference]: Finished difference Result 47177 states and 49210 transitions. [2021-12-06 20:47:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:47:02,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 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 700 [2021-12-06 20:47:02,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:02,600 INFO L225 Difference]: With dead ends: 47177 [2021-12-06 20:47:02,600 INFO L226 Difference]: Without dead ends: 27038 [2021-12-06 20:47:02,611 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 20:47:02,611 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 257 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 806 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:02,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 127 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 806 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 20:47:02,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27038 states. [2021-12-06 20:47:02,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27038 to 23131. [2021-12-06 20:47:02,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23131 states, 23130 states have (on average 1.0425853869433637) internal successors, (24115), 23130 states have internal predecessors, (24115), 0 states have call successors, (0), 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 20:47:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23131 states to 23131 states and 24115 transitions. [2021-12-06 20:47:02,839 INFO L78 Accepts]: Start accepts. Automaton has 23131 states and 24115 transitions. Word has length 700 [2021-12-06 20:47:02,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:02,839 INFO L470 AbstractCegarLoop]: Abstraction has 23131 states and 24115 transitions. [2021-12-06 20:47:02,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 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 20:47:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 23131 states and 24115 transitions. [2021-12-06 20:47:02,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2021-12-06 20:47:02,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:02,850 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:47:02,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 20:47:02,850 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:02,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:02,851 INFO L85 PathProgramCache]: Analyzing trace with hash 290162665, now seen corresponding path program 1 times [2021-12-06 20:47:02,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:02,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949313927] [2021-12-06 20:47:02,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:02,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 259 proven. 381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:47:03,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:03,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949313927] [2021-12-06 20:47:03,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949313927] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:47:03,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122633289] [2021-12-06 20:47:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:03,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:47:03,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:47:03,177 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:47:03,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:47:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:03,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 20:47:03,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:47:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 485 proven. 49 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-06 20:47:05,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:47:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 485 proven. 49 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-06 20:47:08,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122633289] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:47:08,322 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:47:08,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 15 [2021-12-06 20:47:08,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190456028] [2021-12-06 20:47:08,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:47:08,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 20:47:08,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:08,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 20:47:08,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:47:08,326 INFO L87 Difference]: Start difference. First operand 23131 states and 24115 transitions. Second operand has 15 states, 15 states have (on average 108.8) internal successors, (1632), 15 states have internal predecessors, (1632), 0 states have call successors, (0), 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 20:47:21,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:21,593 INFO L93 Difference]: Finished difference Result 86478 states and 90244 transitions. [2021-12-06 20:47:21,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-12-06 20:47:21,593 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 108.8) internal successors, (1632), 15 states have internal predecessors, (1632), 0 states have call successors, (0), 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 735 [2021-12-06 20:47:21,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:21,644 INFO L225 Difference]: With dead ends: 86478 [2021-12-06 20:47:21,644 INFO L226 Difference]: Without dead ends: 63644 [2021-12-06 20:47:21,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1591 GetRequests, 1510 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2501 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1222, Invalid=5584, Unknown=0, NotChecked=0, Total=6806 [2021-12-06 20:47:21,661 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 9847 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 17740 mSolverCounterSat, 2757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9847 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 20497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2757 IncrementalHoareTripleChecker+Valid, 17740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:21,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9847 Valid, 533 Invalid, 20497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2757 Valid, 17740 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2021-12-06 20:47:21,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63644 states. [2021-12-06 20:47:22,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63644 to 27032. [2021-12-06 20:47:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27032 states, 27031 states have (on average 1.0425437460693279) internal successors, (28181), 27031 states have internal predecessors, (28181), 0 states have call successors, (0), 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 20:47:22,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27032 states to 27032 states and 28181 transitions. [2021-12-06 20:47:22,102 INFO L78 Accepts]: Start accepts. Automaton has 27032 states and 28181 transitions. Word has length 735 [2021-12-06 20:47:22,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:22,102 INFO L470 AbstractCegarLoop]: Abstraction has 27032 states and 28181 transitions. [2021-12-06 20:47:22,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 108.8) internal successors, (1632), 15 states have internal predecessors, (1632), 0 states have call successors, (0), 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 20:47:22,103 INFO L276 IsEmpty]: Start isEmpty. Operand 27032 states and 28181 transitions. [2021-12-06 20:47:22,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2021-12-06 20:47:22,115 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:22,115 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:47:22,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:47:22,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 20:47:22,317 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:22,318 INFO L85 PathProgramCache]: Analyzing trace with hash 153021755, now seen corresponding path program 1 times [2021-12-06 20:47:22,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:22,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752829663] [2021-12-06 20:47:22,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:22,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-12-06 20:47:22,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:22,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752829663] [2021-12-06 20:47:22,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752829663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:22,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:22,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:47:22,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856583335] [2021-12-06 20:47:22,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:22,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:47:22,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:22,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:47:22,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:47:22,542 INFO L87 Difference]: Start difference. First operand 27032 states and 28181 transitions. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 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 20:47:24,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:24,124 INFO L93 Difference]: Finished difference Result 60071 states and 62563 transitions. [2021-12-06 20:47:24,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:47:24,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 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 748 [2021-12-06 20:47:24,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:24,149 INFO L225 Difference]: With dead ends: 60071 [2021-12-06 20:47:24,149 INFO L226 Difference]: Without dead ends: 33641 [2021-12-06 20:47:24,161 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 20:47:24,161 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 533 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 533 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 1813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:24,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [533 Valid, 104 Invalid, 1813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1630 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 20:47:24,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33641 states. [2021-12-06 20:47:24,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33641 to 28230. [2021-12-06 20:47:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28230 states, 28229 states have (on average 1.0430762690849835) internal successors, (29445), 28229 states have internal predecessors, (29445), 0 states have call successors, (0), 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 20:47:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28230 states to 28230 states and 29445 transitions. [2021-12-06 20:47:24,467 INFO L78 Accepts]: Start accepts. Automaton has 28230 states and 29445 transitions. Word has length 748 [2021-12-06 20:47:24,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:24,468 INFO L470 AbstractCegarLoop]: Abstraction has 28230 states and 29445 transitions. [2021-12-06 20:47:24,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 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 20:47:24,468 INFO L276 IsEmpty]: Start isEmpty. Operand 28230 states and 29445 transitions. [2021-12-06 20:47:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2021-12-06 20:47:24,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:24,482 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:24,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 20:47:24,482 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:24,482 INFO L85 PathProgramCache]: Analyzing trace with hash -410816584, now seen corresponding path program 1 times [2021-12-06 20:47:24,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:24,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989166870] [2021-12-06 20:47:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:24,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:24,695 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2021-12-06 20:47:24,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:24,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989166870] [2021-12-06 20:47:24,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989166870] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:24,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:24,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:47:24,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557156194] [2021-12-06 20:47:24,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:24,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:47:24,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:24,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:47:24,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:47:24,696 INFO L87 Difference]: Start difference. First operand 28230 states and 29445 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 20:47:25,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:25,632 INFO L93 Difference]: Finished difference Result 57058 states and 59515 transitions. [2021-12-06 20:47:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:47:25,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 773 [2021-12-06 20:47:25,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:25,654 INFO L225 Difference]: With dead ends: 57058 [2021-12-06 20:47:25,654 INFO L226 Difference]: Without dead ends: 29430 [2021-12-06 20:47:25,666 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 20:47:25,667 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 271 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:25,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 208 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 20:47:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29430 states. [2021-12-06 20:47:25,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29430 to 28530. [2021-12-06 20:47:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28530 states, 28529 states have (on average 1.0423428791755758) internal successors, (29737), 28529 states have internal predecessors, (29737), 0 states have call successors, (0), 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 20:47:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28530 states to 28530 states and 29737 transitions. [2021-12-06 20:47:25,971 INFO L78 Accepts]: Start accepts. Automaton has 28530 states and 29737 transitions. Word has length 773 [2021-12-06 20:47:25,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:25,971 INFO L470 AbstractCegarLoop]: Abstraction has 28530 states and 29737 transitions. [2021-12-06 20:47:25,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 20:47:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 28530 states and 29737 transitions. [2021-12-06 20:47:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2021-12-06 20:47:25,985 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:25,986 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, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:47:25,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 20:47:25,986 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:25,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:25,986 INFO L85 PathProgramCache]: Analyzing trace with hash -179388229, now seen corresponding path program 1 times [2021-12-06 20:47:25,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:25,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314673850] [2021-12-06 20:47:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:25,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:26,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 986 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-12-06 20:47:26,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:26,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314673850] [2021-12-06 20:47:26,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314673850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:26,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:26,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:47:26,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853648014] [2021-12-06 20:47:26,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:26,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:47:26,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:26,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:47:26,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:47:26,172 INFO L87 Difference]: Start difference. First operand 28530 states and 29737 transitions. Second operand has 4 states, 4 states have (on average 132.75) internal successors, (531), 4 states have internal predecessors, (531), 0 states have call successors, (0), 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 20:47:27,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:27,558 INFO L93 Difference]: Finished difference Result 59741 states and 62348 transitions. [2021-12-06 20:47:27,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:47:27,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 132.75) internal successors, (531), 4 states have internal predecessors, (531), 0 states have call successors, (0), 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 805 [2021-12-06 20:47:27,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:27,590 INFO L225 Difference]: With dead ends: 59741 [2021-12-06 20:47:27,590 INFO L226 Difference]: Without dead ends: 32112 [2021-12-06 20:47:27,600 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 20:47:27,600 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 638 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:27,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [638 Valid, 418 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 20:47:27,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32112 states. [2021-12-06 20:47:27,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32112 to 31212. [2021-12-06 20:47:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31212 states, 31211 states have (on average 1.0393451026881548) internal successors, (32439), 31211 states have internal predecessors, (32439), 0 states have call successors, (0), 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 20:47:27,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31212 states to 31212 states and 32439 transitions. [2021-12-06 20:47:27,900 INFO L78 Accepts]: Start accepts. Automaton has 31212 states and 32439 transitions. Word has length 805 [2021-12-06 20:47:27,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:27,900 INFO L470 AbstractCegarLoop]: Abstraction has 31212 states and 32439 transitions. [2021-12-06 20:47:27,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.75) internal successors, (531), 4 states have internal predecessors, (531), 0 states have call successors, (0), 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 20:47:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 31212 states and 32439 transitions. [2021-12-06 20:47:27,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2021-12-06 20:47:27,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:27,942 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, 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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:47:27,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 20:47:27,943 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:27,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:27,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1996403509, now seen corresponding path program 1 times [2021-12-06 20:47:27,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:27,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771647279] [2021-12-06 20:47:27,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:27,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 648 proven. 0 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2021-12-06 20:47:28,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:28,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771647279] [2021-12-06 20:47:28,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771647279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:28,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:28,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:47:28,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852648022] [2021-12-06 20:47:28,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:28,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:47:28,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:28,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:47:28,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:47:28,147 INFO L87 Difference]: Start difference. First operand 31212 states and 32439 transitions. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 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 20:47:29,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:29,068 INFO L93 Difference]: Finished difference Result 62112 states and 64559 transitions. [2021-12-06 20:47:29,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:47:29,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 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 845 [2021-12-06 20:47:29,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:29,089 INFO L225 Difference]: With dead ends: 62112 [2021-12-06 20:47:29,090 INFO L226 Difference]: Without dead ends: 31502 [2021-12-06 20:47:29,098 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 20:47:29,098 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 205 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:29,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 155 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 20:47:29,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31502 states. [2021-12-06 20:47:29,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31502 to 29406. [2021-12-06 20:47:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29406 states, 29405 states have (on average 1.0349940486311853) internal successors, (30434), 29405 states have internal predecessors, (30434), 0 states have call successors, (0), 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 20:47:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29406 states to 29406 states and 30434 transitions. [2021-12-06 20:47:29,377 INFO L78 Accepts]: Start accepts. Automaton has 29406 states and 30434 transitions. Word has length 845 [2021-12-06 20:47:29,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:29,378 INFO L470 AbstractCegarLoop]: Abstraction has 29406 states and 30434 transitions. [2021-12-06 20:47:29,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 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 20:47:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand 29406 states and 30434 transitions. [2021-12-06 20:47:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2021-12-06 20:47:29,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:29,391 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, 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, 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, 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 20:47:29,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 20:47:29,391 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:29,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:29,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1519860596, now seen corresponding path program 1 times [2021-12-06 20:47:29,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:29,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363465164] [2021-12-06 20:47:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:29,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 705 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-12-06 20:47:29,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:29,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363465164] [2021-12-06 20:47:29,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363465164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:29,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:29,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 20:47:29,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906711798] [2021-12-06 20:47:29,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:29,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:47:29,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:29,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:47:29,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:47:29,768 INFO L87 Difference]: Start difference. First operand 29406 states and 30434 transitions. Second operand has 8 states, 8 states have (on average 79.125) internal successors, (633), 8 states have internal predecessors, (633), 0 states have call successors, (0), 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 20:47:34,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:34,544 INFO L93 Difference]: Finished difference Result 81799 states and 84472 transitions. [2021-12-06 20:47:34,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 20:47:34,544 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 79.125) internal successors, (633), 8 states have internal predecessors, (633), 0 states have call successors, (0), 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 859 [2021-12-06 20:47:34,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:34,583 INFO L225 Difference]: With dead ends: 81799 [2021-12-06 20:47:34,583 INFO L226 Difference]: Without dead ends: 53593 [2021-12-06 20:47:34,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2021-12-06 20:47:34,596 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 1022 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 8114 mSolverCounterSat, 818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 8932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 818 IncrementalHoareTripleChecker+Valid, 8114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:34,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1022 Valid, 311 Invalid, 8932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [818 Valid, 8114 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 20:47:34,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53593 states. [2021-12-06 20:47:34,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53593 to 30004. [2021-12-06 20:47:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30004 states, 30003 states have (on average 1.035096490350965) internal successors, (31056), 30003 states have internal predecessors, (31056), 0 states have call successors, (0), 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 20:47:34,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30004 states to 30004 states and 31056 transitions. [2021-12-06 20:47:34,977 INFO L78 Accepts]: Start accepts. Automaton has 30004 states and 31056 transitions. Word has length 859 [2021-12-06 20:47:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:34,977 INFO L470 AbstractCegarLoop]: Abstraction has 30004 states and 31056 transitions. [2021-12-06 20:47:34,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 79.125) internal successors, (633), 8 states have internal predecessors, (633), 0 states have call successors, (0), 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 20:47:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 30004 states and 31056 transitions. [2021-12-06 20:47:34,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2021-12-06 20:47:34,992 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:34,993 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 20:47:34,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-06 20:47:34,993 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:34,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:34,994 INFO L85 PathProgramCache]: Analyzing trace with hash -842117522, now seen corresponding path program 1 times [2021-12-06 20:47:34,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:34,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972941033] [2021-12-06 20:47:34,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:34,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 696 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-12-06 20:47:35,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:35,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972941033] [2021-12-06 20:47:35,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972941033] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:35,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:35,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:47:35,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589741431] [2021-12-06 20:47:35,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:35,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:47:35,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:35,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:47:35,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:47:35,212 INFO L87 Difference]: Start difference. First operand 30004 states and 31056 transitions. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 20:47:36,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:36,184 INFO L93 Difference]: Finished difference Result 61514 states and 63648 transitions. [2021-12-06 20:47:36,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:47:36,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 899 [2021-12-06 20:47:36,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:36,206 INFO L225 Difference]: With dead ends: 61514 [2021-12-06 20:47:36,207 INFO L226 Difference]: Without dead ends: 32710 [2021-12-06 20:47:36,219 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 20:47:36,220 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 346 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:36,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 118 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 20:47:36,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32710 states. [2021-12-06 20:47:36,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32710 to 29105. [2021-12-06 20:47:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29105 states, 29104 states have (on average 1.0347718526663001) internal successors, (30116), 29104 states have internal predecessors, (30116), 0 states have call successors, (0), 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 20:47:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29105 states to 29105 states and 30116 transitions. [2021-12-06 20:47:36,547 INFO L78 Accepts]: Start accepts. Automaton has 29105 states and 30116 transitions. Word has length 899 [2021-12-06 20:47:36,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:36,548 INFO L470 AbstractCegarLoop]: Abstraction has 29105 states and 30116 transitions. [2021-12-06 20:47:36,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 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 20:47:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29105 states and 30116 transitions. [2021-12-06 20:47:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2021-12-06 20:47:36,568 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:36,568 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:47:36,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 20:47:36,569 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:36,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:36,569 INFO L85 PathProgramCache]: Analyzing trace with hash -473003347, now seen corresponding path program 1 times [2021-12-06 20:47:36,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:36,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043624729] [2021-12-06 20:47:36,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:36,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 861 proven. 130 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-12-06 20:47:36,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:36,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043624729] [2021-12-06 20:47:36,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043624729] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:47:36,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277310522] [2021-12-06 20:47:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:36,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:47:36,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:47:36,936 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:47:36,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:47:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:37,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:47:37,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:47:38,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 781 proven. 49 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-12-06 20:47:38,228 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:47:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 830 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-12-06 20:47:38,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277310522] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 20:47:38,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:47:38,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 4] total 12 [2021-12-06 20:47:38,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978739784] [2021-12-06 20:47:38,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:38,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:47:38,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:38,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:47:38,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:47:38,847 INFO L87 Difference]: Start difference. First operand 29105 states and 30116 transitions. Second operand has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 0 states have call successors, (0), 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 20:47:40,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:40,228 INFO L93 Difference]: Finished difference Result 59114 states and 61174 transitions. [2021-12-06 20:47:40,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:47:40,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 0 states have call successors, (0), 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 984 [2021-12-06 20:47:40,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:40,250 INFO L225 Difference]: With dead ends: 59114 [2021-12-06 20:47:40,250 INFO L226 Difference]: Without dead ends: 30910 [2021-12-06 20:47:40,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1975 GetRequests, 1965 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:47:40,262 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 329 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:40,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 94 Invalid, 1690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 20:47:40,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30910 states. [2021-12-06 20:47:40,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30910 to 28206. [2021-12-06 20:47:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28206 states, 28205 states have (on average 1.0334692430420138) internal successors, (29149), 28205 states have internal predecessors, (29149), 0 states have call successors, (0), 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 20:47:40,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28206 states to 28206 states and 29149 transitions. [2021-12-06 20:47:40,558 INFO L78 Accepts]: Start accepts. Automaton has 28206 states and 29149 transitions. Word has length 984 [2021-12-06 20:47:40,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:40,559 INFO L470 AbstractCegarLoop]: Abstraction has 28206 states and 29149 transitions. [2021-12-06 20:47:40,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 158.25) internal successors, (633), 4 states have internal predecessors, (633), 0 states have call successors, (0), 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 20:47:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 28206 states and 29149 transitions. [2021-12-06 20:47:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1051 [2021-12-06 20:47:40,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:47:40,584 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 20:47:40,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 20:47:40,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-06 20:47:40,786 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:47:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:47:40,788 INFO L85 PathProgramCache]: Analyzing trace with hash 665495620, now seen corresponding path program 1 times [2021-12-06 20:47:40,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:47:40,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494225158] [2021-12-06 20:47:40,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:47:40,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:47:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:47:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 1060 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2021-12-06 20:47:41,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:47:41,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494225158] [2021-12-06 20:47:41,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494225158] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:47:41,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:47:41,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:47:41,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551494914] [2021-12-06 20:47:41,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:47:41,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:47:41,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:47:41,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:47:41,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:47:41,069 INFO L87 Difference]: Start difference. First operand 28206 states and 29149 transitions. Second operand has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 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 20:47:41,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:47:41,770 INFO L93 Difference]: Finished difference Result 43803 states and 45270 transitions. [2021-12-06 20:47:41,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:47:41,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 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 1050 [2021-12-06 20:47:41,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:47:41,771 INFO L225 Difference]: With dead ends: 43803 [2021-12-06 20:47:41,771 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 20:47:41,780 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 20:47:41,781 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 336 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:47:41,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 359 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 20:47:41,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 20:47:41,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 20:47:41,782 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 20:47:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 20:47:41,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1050 [2021-12-06 20:47:41,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:47:41,782 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:47:41,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 0 states have call successors, (0), 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 20:47:41,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:47:41,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 20:47:41,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 20:47:41,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 20:47:41,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 20:47:47,379 WARN L227 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 599 DAG size of output: 598 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 20:48:06,923 WARN L227 SmtUtils]: Spent 19.54s on a formula simplification. DAG size of input: 917 DAG size of output: 890 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 20:48:26,379 WARN L227 SmtUtils]: Spent 19.45s on a formula simplification. DAG size of input: 911 DAG size of output: 890 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 20:48:38,871 WARN L227 SmtUtils]: Spent 9.03s on a formula simplification. DAG size of input: 890 DAG size of output: 138 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 20:48:46,400 WARN L227 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 890 DAG size of output: 138 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 20:48:46,403 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,403 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,403 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,403 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,403 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,403 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,404 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,405 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,406 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,407 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,408 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 170) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,409 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-06 20:48:46,410 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-12-06 20:48:46,411 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,412 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-06 20:48:46,413 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-12-06 20:48:46,414 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,415 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,416 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,417 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-12-06 20:48:46,418 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse13 (= ~a2~0 4)) (.cse8 (= 3 ~a2~0)) (.cse19 (+ ~a4~0 86))) (let ((.cse9 (<= (+ ~a29~0 144) 0)) (.cse3 (<= 4453 ~a29~0)) (.cse10 (= 2 ~a2~0)) (.cse20 (<= (+ ~a29~0 145) 0)) (.cse6 (<= (+ 89 ~a4~0) 0)) (.cse23 (<= 0 (+ 97 ~a0~0))) (.cse17 (= ~a2~0 1)) (.cse21 (<= (+ 98 ~a0~0) 0)) (.cse5 (< 0 (+ ~a29~0 16))) (.cse11 (<= 0 (+ ~a29~0 127))) (.cse2 (<= (+ ~a0~0 147) 0)) (.cse22 (<= (div ~a29~0 5) 185853)) (.cse12 (<= ~a29~0 599998)) (.cse24 (<= 96176 ~a29~0)) (.cse16 (< 0 .cse19)) (.cse18 (<= (+ 104 ~a0~0) 0)) (.cse14 (<= ~a29~0 41)) (.cse0 (not .cse8)) (.cse1 (<= (+ 42 ~a4~0) 0)) (.cse4 (not .cse13)) (.cse7 (<= (+ ~a0~0 61) 0)) (.cse15 (<= 0 (+ ~a29~0 192415)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7) (and .cse6 .cse8 .cse7 .cse9) (and .cse10 .cse11 .cse6 .cse12) (and .cse6 .cse13 (<= ~a29~0 43)) (and .cse14 .cse0 .cse11 .cse6 .cse4 .cse15) (and .cse6 .cse5 .cse7) (and .cse16 .cse14 .cse1 .cse17 .cse5) (and .cse18 .cse10 .cse12 .cse5 .cse7) (and .cse1 .cse2 .cse17) (and .cse17 (<= .cse19 0) .cse7 .cse9) (and .cse18 .cse14 .cse0 .cse1 .cse11 .cse4 .cse7 .cse15) (and .cse20 .cse6 .cse8) (and .cse16 .cse1 .cse2 .cse9) (and .cse0 .cse6 .cse3 .cse12 .cse4 .cse15) (and .cse16 .cse1 .cse21 .cse22 .cse8) (and (<= (+ ~a29~0 107481) 0) (or (and .cse10 .cse6) (and .cse6 .cse17))) (and .cse16 .cse1 .cse10 .cse21 .cse22 .cse5 .cse7) (and .cse18 .cse1 .cse20 .cse17) (and .cse16 .cse18 .cse1 .cse20 .cse13) (and .cse23 .cse6 .cse8 .cse7) (and .cse6 .cse12 .cse5 .cse8) (and .cse1 .cse2 .cse12 .cse5 .cse8) (and .cse16 .cse1 .cse21 .cse17 .cse22 .cse15) (and .cse16 .cse1 .cse21 .cse4 .cse22 .cse24) (and .cse14 .cse23 .cse1 .cse17 .cse7 .cse15) (and .cse16 .cse14 .cse0 .cse1 .cse21 .cse4 .cse5) (and .cse16 .cse1 .cse11 .cse2 .cse22) (and .cse16 .cse18 .cse1 .cse12 .cse24) (and .cse16 .cse18 .cse14 .cse0 .cse1 .cse4 .cse7 .cse15)))) [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,419 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,420 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,421 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse14 (= ~a2~0 4)) (.cse8 (= 3 ~a2~0)) (.cse23 (+ ~a4~0 86))) (let ((.cse13 (<= ~a29~0 43)) (.cse10 (= 2 ~a2~0)) (.cse11 (<= 0 (+ ~a29~0 127))) (.cse18 (<= 4453 ~a29~0)) (.cse9 (<= (+ ~a29~0 144) 0)) (.cse22 (<= (+ ~a29~0 145) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse6 (<= (div ~a29~0 5) 185853)) (.cse24 (<= 0 (+ 97 ~a0~0))) (.cse19 (= ~a2~0 1)) (.cse12 (<= ~a29~0 599998)) (.cse25 (<= 96176 ~a29~0)) (.cse20 (<= (+ 104 ~a0~0) 0)) (.cse17 (<= 0 (+ ~a29~0 192415))) (.cse3 (< 0 .cse23)) (.cse15 (<= ~a29~0 41)) (.cse0 (not .cse8)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse21 (<= (+ 98 ~a0~0) 0)) (.cse16 (not .cse14)) (.cse7 (< 0 (+ ~a29~0 16))) (.cse2 (<= (+ ~a0~0 61) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse2 .cse9) (and .cse10 .cse11 .cse1 .cse12) (and .cse3 .cse4 .cse11 .cse5 .cse13) (and .cse1 .cse14 .cse13) (and .cse15 .cse0 .cse11 .cse1 .cse16 .cse17) (and .cse0 .cse4 .cse5 .cse18 .cse16 .cse7 .cse2) (and .cse1 .cse7 .cse2) (and .cse3 .cse15 .cse4 .cse19 .cse7) (and .cse10 .cse1 (<= (+ ~a29~0 107481) 0)) (and .cse20 .cse10 .cse12 .cse7 .cse2) (and .cse3 .cse4 .cse10 .cse21 .cse12 .cse7 .cse2) (and .cse4 .cse5 .cse19) (and .cse20 .cse15 .cse0 .cse4 .cse11 .cse16 .cse2 .cse17) (and .cse22 .cse1 .cse8) (and .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse18 .cse12 .cse16 .cse17) (and .cse3 .cse4 .cse21 .cse6 .cse8) (and .cse19 (<= .cse23 0) .cse9) (and .cse20 .cse4 .cse22 .cse19) (and .cse3 .cse20 .cse4 .cse22 .cse14) (and .cse24 .cse1 .cse8 .cse2) (and .cse1 .cse12 .cse7 .cse8) (and .cse4 .cse5 .cse12 .cse7 .cse8) (and .cse3 .cse4 .cse21 .cse19 .cse6 .cse17) (and .cse3 .cse4 .cse21 .cse16 .cse6 .cse25) (and .cse15 .cse24 .cse4 .cse19 .cse2 .cse17) (and .cse3 .cse20 .cse4 .cse12 .cse25) (and .cse3 .cse20 .cse15 .cse0 .cse4 .cse16 .cse2 .cse17) (and .cse3 .cse15 .cse0 .cse4 .cse21 .cse16 .cse7 .cse2)))) [2021-12-06 20:48:46,421 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,422 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,423 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,424 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,425 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse14 (= ~a2~0 4)) (.cse8 (= 3 ~a2~0)) (.cse23 (+ ~a4~0 86))) (let ((.cse13 (<= ~a29~0 43)) (.cse10 (= 2 ~a2~0)) (.cse11 (<= 0 (+ ~a29~0 127))) (.cse18 (<= 4453 ~a29~0)) (.cse9 (<= (+ ~a29~0 144) 0)) (.cse22 (<= (+ ~a29~0 145) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse5 (<= (+ ~a0~0 147) 0)) (.cse6 (<= (div ~a29~0 5) 185853)) (.cse24 (<= 0 (+ 97 ~a0~0))) (.cse19 (= ~a2~0 1)) (.cse12 (<= ~a29~0 599998)) (.cse25 (<= 96176 ~a29~0)) (.cse20 (<= (+ 104 ~a0~0) 0)) (.cse17 (<= 0 (+ ~a29~0 192415))) (.cse3 (< 0 .cse23)) (.cse15 (<= ~a29~0 41)) (.cse0 (not .cse8)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse21 (<= (+ 98 ~a0~0) 0)) (.cse16 (not .cse14)) (.cse7 (< 0 (+ ~a29~0 16))) (.cse2 (<= (+ ~a0~0 61) 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse1 .cse8 .cse2 .cse9) (and .cse10 .cse11 .cse1 .cse12) (and .cse3 .cse4 .cse11 .cse5 .cse13) (and .cse1 .cse14 .cse13) (and .cse15 .cse0 .cse11 .cse1 .cse16 .cse17) (and .cse0 .cse4 .cse5 .cse18 .cse16 .cse7 .cse2) (and .cse1 .cse7 .cse2) (and .cse3 .cse15 .cse4 .cse19 .cse7) (and .cse10 .cse1 (<= (+ ~a29~0 107481) 0)) (and .cse20 .cse10 .cse12 .cse7 .cse2) (and .cse3 .cse4 .cse10 .cse21 .cse12 .cse7 .cse2) (and .cse4 .cse5 .cse19) (and .cse20 .cse15 .cse0 .cse4 .cse11 .cse16 .cse2 .cse17) (and .cse22 .cse1 .cse8) (and .cse3 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse18 .cse12 .cse16 .cse17) (and .cse3 .cse4 .cse21 .cse6 .cse8) (and .cse19 (<= .cse23 0) .cse9) (and .cse20 .cse4 .cse22 .cse19) (and .cse3 .cse20 .cse4 .cse22 .cse14) (and .cse24 .cse1 .cse8 .cse2) (and .cse1 .cse12 .cse7 .cse8) (and .cse4 .cse5 .cse12 .cse7 .cse8) (and .cse3 .cse4 .cse21 .cse19 .cse6 .cse17) (and .cse3 .cse4 .cse21 .cse16 .cse6 .cse25) (and .cse15 .cse24 .cse4 .cse19 .cse2 .cse17) (and .cse3 .cse20 .cse4 .cse12 .cse25) (and .cse3 .cse20 .cse15 .cse0 .cse4 .cse16 .cse2 .cse17) (and .cse3 .cse15 .cse0 .cse4 .cse21 .cse16 .cse7 .cse2)))) [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,426 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-06 20:48:46,427 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,428 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-06 20:48:46,429 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-12-06 20:48:46,432 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] [2021-12-06 20:48:46,433 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:48:46,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:48:46 BoogieIcfgContainer [2021-12-06 20:48:46,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:48:46,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:48:46,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:48:46,461 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:48:46,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:46:16" (3/4) ... [2021-12-06 20:48:46,464 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 20:48:46,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-06 20:48:46,491 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 20:48:46,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 20:48:46,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 20:48:46,626 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 20:48:46,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:48:46,627 INFO L158 Benchmark]: Toolchain (without parser) took 153271.66ms. Allocated memory was 151.0MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 105.3MB in the beginning and 353.0MB in the end (delta: -247.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2021-12-06 20:48:46,627 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:48:46,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.96ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 113.5MB in the end (delta: -8.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-12-06 20:48:46,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.51ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 113.5MB in the beginning and 150.1MB in the end (delta: -36.6MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-12-06 20:48:46,627 INFO L158 Benchmark]: Boogie Preprocessor took 151.63ms. Allocated memory is still 220.2MB. Free memory was 150.1MB in the beginning and 132.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 20:48:46,628 INFO L158 Benchmark]: RCFGBuilder took 2170.40ms. Allocated memory is still 220.2MB. Free memory was 132.8MB in the beginning and 139.6MB in the end (delta: -6.8MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2021-12-06 20:48:46,628 INFO L158 Benchmark]: TraceAbstraction took 149870.97ms. Allocated memory was 220.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 139.6MB in the beginning and 395.4MB in the end (delta: -255.7MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2021-12-06 20:48:46,628 INFO L158 Benchmark]: Witness Printer took 165.19ms. Allocated memory is still 1.7GB. Free memory was 395.4MB in the beginning and 353.0MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-12-06 20:48:46,629 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 151.0MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 748.96ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 113.5MB in the end (delta: -8.4MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.51ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 113.5MB in the beginning and 150.1MB in the end (delta: -36.6MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.63ms. Allocated memory is still 220.2MB. Free memory was 150.1MB in the beginning and 132.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2170.40ms. Allocated memory is still 220.2MB. Free memory was 132.8MB in the beginning and 139.6MB in the end (delta: -6.8MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * TraceAbstraction took 149870.97ms. Allocated memory was 220.2MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 139.6MB in the beginning and 395.4MB in the end (delta: -255.7MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 165.19ms. Allocated memory is still 1.7GB. Free memory was 395.4MB in the beginning and 353.0MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. 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: 170]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 149.8s, OverallIterations: 26, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 64.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 64.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25563 SdHoareTripleChecker+Valid, 58.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25563 mSDsluCounter, 8779 SdHoareTripleChecker+Invalid, 50.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1844 mSDsCounter, 10782 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62371 IncrementalHoareTripleChecker+Invalid, 73153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10782 mSolverCounterUnsat, 6935 mSDtfsCounter, 62371 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5743 GetRequests, 5575 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2733 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31212occurred in iteration=21, InterpolantAutomatonStates: 205, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 26 MinimizatonAttempts, 100477 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 318 NumberOfFragments, 2112 HoareAnnotationTreeSize, 4 FomulaSimplifications, 169502 FormulaSimplificationTreeSizeReduction, 44.6s HoareSimplificationTime, 4 FomulaSimplificationsInter, 678650 FormulaSimplificationTreeSizeReductionInter, 20.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 17507 NumberOfCodeBlocks, 17507 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 20214 ConstructedInterpolants, 0 QuantifiedInterpolants, 72880 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3283 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 20965/21992 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((!(3 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4453 <= a29) && !(a2 == 4)) && 0 < a29 + 16) || ((!(3 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((2 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a29 <= 599998)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((((a29 <= 41 && !(3 == a2)) && 0 <= a29 + 127) && 89 + a4 <= 0) && !(a2 == 4)) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && 0 < a29 + 16) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && a2 == 1) && 0 < a29 + 16)) || ((((104 + a0 <= 0 && 2 == a2) && a29 <= 599998) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1)) || (((a2 == 1 && a4 + 86 <= 0) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((((((104 + a0 <= 0 && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && 0 <= a29 + 127) && !(a2 == 4)) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && a29 + 144 <= 0)) || (((((!(3 == a2) && 89 + a4 <= 0) && 4453 <= a29) && a29 <= 599998) && !(a2 == 4)) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 / 5 <= 185853) && 3 == a2)) || (a29 + 107481 <= 0 && ((2 == a2 && 89 + a4 <= 0) || (89 + a4 <= 0 && a2 == 1)))) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 / 5 <= 185853) && 0 < a29 + 16) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && a2 == 1)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 + 145 <= 0) && a2 == 4)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && a29 <= 599998) && 0 < a29 + 16) && 3 == a2)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a29 <= 599998) && 0 < a29 + 16) && 3 == a2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 / 5 <= 185853) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a2 == 4)) && a29 / 5 <= 185853) && 96176 <= a29)) || (((((a29 <= 41 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((((((0 < a4 + 86 && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a2 == 4)) && 0 < a29 + 16)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 127) && a0 + 147 <= 0) && a29 / 5 <= 185853)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 <= 599998) && 96176 <= a29)) || (((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0) && 0 <= a29 + 192415) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((!(3 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && a29 / 5 <= 185853) && 0 < a29 + 16)) || (((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((2 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a29 <= 599998)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 127) && a0 + 147 <= 0) && a29 <= 43)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((((a29 <= 41 && !(3 == a2)) && 0 <= a29 + 127) && 89 + a4 <= 0) && !(a2 == 4)) && 0 <= a29 + 192415)) || ((((((!(3 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4453 <= a29) && !(a2 == 4)) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && a2 == 1) && 0 < a29 + 16)) || ((2 == a2 && 89 + a4 <= 0) && a29 + 107481 <= 0)) || ((((104 + a0 <= 0 && 2 == a2) && a29 <= 599998) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 <= 599998) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1)) || (((((((104 + a0 <= 0 && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && 0 <= a29 + 127) && !(a2 == 4)) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && a29 + 144 <= 0)) || (((((!(3 == a2) && 89 + a4 <= 0) && 4453 <= a29) && a29 <= 599998) && !(a2 == 4)) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 / 5 <= 185853) && 3 == a2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && a2 == 1)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 + 145 <= 0) && a2 == 4)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && a29 <= 599998) && 0 < a29 + 16) && 3 == a2)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a29 <= 599998) && 0 < a29 + 16) && 3 == a2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 / 5 <= 185853) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a2 == 4)) && a29 / 5 <= 185853) && 96176 <= a29)) || (((((a29 <= 41 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 <= 599998) && 96176 <= a29)) || (((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((((((0 < a4 + 86 && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a2 == 4)) && 0 < a29 + 16) && a0 + 61 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((!(3 == a2) && 89 + a4 <= 0) && a0 + 61 <= 0) || ((((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && a29 / 5 <= 185853) && 0 < a29 + 16)) || (((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0) && a29 + 144 <= 0)) || (((2 == a2 && 0 <= a29 + 127) && 89 + a4 <= 0) && a29 <= 599998)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 0 <= a29 + 127) && a0 + 147 <= 0) && a29 <= 43)) || ((89 + a4 <= 0 && a2 == 4) && a29 <= 43)) || (((((a29 <= 41 && !(3 == a2)) && 0 <= a29 + 127) && 89 + a4 <= 0) && !(a2 == 4)) && 0 <= a29 + 192415)) || ((((((!(3 == a2) && 42 + a4 <= 0) && a0 + 147 <= 0) && 4453 <= a29) && !(a2 == 4)) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 42 + a4 <= 0) && a2 == 1) && 0 < a29 + 16)) || ((2 == a2 && 89 + a4 <= 0) && a29 + 107481 <= 0)) || ((((104 + a0 <= 0 && 2 == a2) && a29 <= 599998) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 <= 599998) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((42 + a4 <= 0 && a0 + 147 <= 0) && a2 == 1)) || (((((((104 + a0 <= 0 && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && 0 <= a29 + 127) && !(a2 == 4)) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2)) || (((0 < a4 + 86 && 42 + a4 <= 0) && a0 + 147 <= 0) && a29 + 144 <= 0)) || (((((!(3 == a2) && 89 + a4 <= 0) && 4453 <= a29) && a29 <= 599998) && !(a2 == 4)) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a29 / 5 <= 185853) && 3 == a2)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 + 145 <= 0) && a2 == 1)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 + 145 <= 0) && a2 == 4)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && 3 == a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && a29 <= 599998) && 0 < a29 + 16) && 3 == a2)) || ((((42 + a4 <= 0 && a0 + 147 <= 0) && a29 <= 599998) && 0 < a29 + 16) && 3 == a2)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 / 5 <= 185853) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a2 == 4)) && a29 / 5 <= 185853) && 96176 <= a29)) || (((((a29 <= 41 && 0 <= 97 + a0) && 42 + a4 <= 0) && a2 == 1) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 104 + a0 <= 0) && 42 + a4 <= 0) && a29 <= 599998) && 96176 <= a29)) || (((((((0 < a4 + 86 && 104 + a0 <= 0) && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && !(a2 == 4)) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((((((0 < a4 + 86 && a29 <= 41) && !(3 == a2)) && 42 + a4 <= 0) && 98 + a0 <= 0) && !(a2 == 4)) && 0 < a29 + 16) && a0 + 61 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-06 20:48:46,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbbeebf-4b5c-4fab-8a6b-e94052c799fe/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