./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg --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 bac94640e4b1ca65f803532eef7d71e2867b8956b5651dd4d9133fab907f3070 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:56:41,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:56:41,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:56:41,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:56:41,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:56:41,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:56:41,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:56:41,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:56:41,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:56:41,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:56:41,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:56:41,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:56:41,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:56:41,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:56:41,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:56:41,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:56:41,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:56:41,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:56:41,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:56:41,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:56:41,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:56:41,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:56:41,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:56:41,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:56:42,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:56:42,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:56:42,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:56:42,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:56:42,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:56:42,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:56:42,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:56:42,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:56:42,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:56:42,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:56:42,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:56:42,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:56:42,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:56:42,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:56:42,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:56:42,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:56:42,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:56:42,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:56:42,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:56:42,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:56:42,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:56:42,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:56:42,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:56:42,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:56:42,102 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:56:42,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:56:42,103 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:56:42,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:56:42,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:56:42,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:56:42,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:56:42,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:56:42,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:56:42,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:56:42,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:56:42,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:56:42,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:56:42,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:56:42,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:56:42,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:56:42,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:56:42,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:56:42,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:56:42,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:56:42,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:56:42,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:56:42,130 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:56:42,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:56:42,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:56:42,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:56:42,133 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_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bac94640e4b1ca65f803532eef7d71e2867b8956b5651dd4d9133fab907f3070 [2021-10-28 08:56:42,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:56:42,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:56:42,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:56:42,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:56:42,527 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:56:42,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/eca-rers2012/Problem03_label56.c [2021-10-28 08:56:42,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/data/d8d8e9e0b/04984829ccbb4def9f4acf99816dfe19/FLAGec7ea3720 [2021-10-28 08:56:43,418 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:56:43,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/sv-benchmarks/c/eca-rers2012/Problem03_label56.c [2021-10-28 08:56:43,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/data/d8d8e9e0b/04984829ccbb4def9f4acf99816dfe19/FLAGec7ea3720 [2021-10-28 08:56:43,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/data/d8d8e9e0b/04984829ccbb4def9f4acf99816dfe19 [2021-10-28 08:56:43,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:56:43,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:56:43,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:56:43,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:56:43,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:56:43,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:56:43" (1/1) ... [2021-10-28 08:56:43,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9bf26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:43, skipping insertion in model container [2021-10-28 08:56:43,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:56:43" (1/1) ... [2021-10-28 08:56:43,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:56:43,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:56:44,437 WARN L228 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_ca092e45-3d63-4af9-8f99-00290a39168c/sv-benchmarks/c/eca-rers2012/Problem03_label56.c[57575,57588] [2021-10-28 08:56:44,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:56:44,480 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:56:44,933 WARN L228 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_ca092e45-3d63-4af9-8f99-00290a39168c/sv-benchmarks/c/eca-rers2012/Problem03_label56.c[57575,57588] [2021-10-28 08:56:44,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:56:44,974 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:56:44,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44 WrapperNode [2021-10-28 08:56:44,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:56:44,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:56:44,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:56:44,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:56:44,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:56:45,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:56:45,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:56:45,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:56:45,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:56:45,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:56:45,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:56:45,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:56:45,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (1/1) ... [2021-10-28 08:56:45,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:56:45,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:45,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:56:45,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:56:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:56:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:56:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:56:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:56:47,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:56:47,940 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 08:56:47,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:56:47 BoogieIcfgContainer [2021-10-28 08:56:47,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:56:47,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:56:47,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:56:47,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:56:47,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:56:43" (1/3) ... [2021-10-28 08:56:47,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400e243b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:56:47, skipping insertion in model container [2021-10-28 08:56:47,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:56:44" (2/3) ... [2021-10-28 08:56:47,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@400e243b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:56:47, skipping insertion in model container [2021-10-28 08:56:47,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:56:47" (3/3) ... [2021-10-28 08:56:47,958 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label56.c [2021-10-28 08:56:47,969 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:56:47,969 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 08:56:48,051 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:56:48,065 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 [2021-10-28 08:56:48,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 08:56:48,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-28 08:56:48,137 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:48,138 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:56:48,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:48,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:48,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1827749397, now seen corresponding path program 1 times [2021-10-28 08:56:48,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:48,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355623973] [2021-10-28 08:56:48,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:48,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:48,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:56:48,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:48,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355623973] [2021-10-28 08:56:48,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355623973] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:48,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:56:48,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:56:48,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864973544] [2021-10-28 08:56:48,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:48,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:48,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:48,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:56:48,990 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:50,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:50,571 INFO L93 Difference]: Finished difference Result 860 states and 1507 transitions. [2021-10-28 08:56:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:50,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2021-10-28 08:56:50,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:50,596 INFO L225 Difference]: With dead ends: 860 [2021-10-28 08:56:50,596 INFO L226 Difference]: Without dead ends: 465 [2021-10-28 08:56:50,602 INFO L786 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 [2021-10-28 08:56:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-10-28 08:56:50,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2021-10-28 08:56:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.556768558951965) internal successors, (713), 458 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 713 transitions. [2021-10-28 08:56:50,688 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 713 transitions. Word has length 173 [2021-10-28 08:56:50,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:50,690 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 713 transitions. [2021-10-28 08:56:50,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 2 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 713 transitions. [2021-10-28 08:56:50,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-10-28 08:56:50,697 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:50,698 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:56:50,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:56:50,698 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:50,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:50,700 INFO L85 PathProgramCache]: Analyzing trace with hash -719650132, now seen corresponding path program 1 times [2021-10-28 08:56:50,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:50,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794274293] [2021-10-28 08:56:50,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:50,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:56:50,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:50,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794274293] [2021-10-28 08:56:50,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794274293] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:50,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:56:50,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:56:50,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126911161] [2021-10-28 08:56:50,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:50,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:50,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:50,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:56:50,842 INFO L87 Difference]: Start difference. First operand 459 states and 713 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:51,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:51,913 INFO L93 Difference]: Finished difference Result 1343 states and 2102 transitions. [2021-10-28 08:56:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:51,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-10-28 08:56:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:51,921 INFO L225 Difference]: With dead ends: 1343 [2021-10-28 08:56:51,922 INFO L226 Difference]: Without dead ends: 886 [2021-10-28 08:56:51,928 INFO L786 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 [2021-10-28 08:56:51,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-10-28 08:56:52,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 868. [2021-10-28 08:56:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.5340253748558246) internal successors, (1330), 867 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:52,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1330 transitions. [2021-10-28 08:56:52,026 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1330 transitions. Word has length 181 [2021-10-28 08:56:52,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:52,029 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1330 transitions. [2021-10-28 08:56:52,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1330 transitions. [2021-10-28 08:56:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-10-28 08:56:52,036 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:52,036 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 08:56:52,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:56:52,037 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:52,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:52,038 INFO L85 PathProgramCache]: Analyzing trace with hash -321719515, now seen corresponding path program 1 times [2021-10-28 08:56:52,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:52,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854835012] [2021-10-28 08:56:52,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:52,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:56:52,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:52,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854835012] [2021-10-28 08:56:52,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854835012] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:52,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:56:52,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:56:52,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827481741] [2021-10-28 08:56:52,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:52,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:52,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:52,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:56:52,226 INFO L87 Difference]: Start difference. First operand 868 states and 1330 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:53,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:53,201 INFO L93 Difference]: Finished difference Result 2573 states and 3946 transitions. [2021-10-28 08:56:53,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:53,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 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 182 [2021-10-28 08:56:53,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:53,214 INFO L225 Difference]: With dead ends: 2573 [2021-10-28 08:56:53,214 INFO L226 Difference]: Without dead ends: 1707 [2021-10-28 08:56:53,216 INFO L786 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 [2021-10-28 08:56:53,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-10-28 08:56:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1704. [2021-10-28 08:56:53,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1703 states have (on average 1.4486200822078685) internal successors, (2467), 1703 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2467 transitions. [2021-10-28 08:56:53,275 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2467 transitions. Word has length 182 [2021-10-28 08:56:53,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:53,276 INFO L470 AbstractCegarLoop]: Abstraction has 1704 states and 2467 transitions. [2021-10-28 08:56:53,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2467 transitions. [2021-10-28 08:56:53,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-28 08:56:53,282 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:53,283 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 08:56:53,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:56:53,283 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:53,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:53,286 INFO L85 PathProgramCache]: Analyzing trace with hash 447712849, now seen corresponding path program 1 times [2021-10-28 08:56:53,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:53,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460012390] [2021-10-28 08:56:53,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:53,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:53,406 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:56:53,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:53,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460012390] [2021-10-28 08:56:53,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460012390] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:53,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:56:53,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:56:53,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360831672] [2021-10-28 08:56:53,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:53,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:53,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:53,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:56:53,417 INFO L87 Difference]: Start difference. First operand 1704 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:54,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:54,501 INFO L93 Difference]: Finished difference Result 4238 states and 6117 transitions. [2021-10-28 08:56:54,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:54,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2021-10-28 08:56:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:54,519 INFO L225 Difference]: With dead ends: 4238 [2021-10-28 08:56:54,519 INFO L226 Difference]: Without dead ends: 2536 [2021-10-28 08:56:54,522 INFO L786 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 [2021-10-28 08:56:54,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2021-10-28 08:56:54,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2535. [2021-10-28 08:56:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2535 states, 2534 states have (on average 1.4183109707971586) internal successors, (3594), 2534 states have internal predecessors, (3594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 3594 transitions. [2021-10-28 08:56:54,600 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 3594 transitions. Word has length 183 [2021-10-28 08:56:54,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:54,600 INFO L470 AbstractCegarLoop]: Abstraction has 2535 states and 3594 transitions. [2021-10-28 08:56:54,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3594 transitions. [2021-10-28 08:56:54,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-28 08:56:54,608 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:54,608 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2021-10-28 08:56:54,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:56:54,609 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:54,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:54,610 INFO L85 PathProgramCache]: Analyzing trace with hash 620298465, now seen corresponding path program 1 times [2021-10-28 08:56:54,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:54,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418890528] [2021-10-28 08:56:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:54,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:56:54,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:54,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418890528] [2021-10-28 08:56:54,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418890528] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:56:54,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945637086] [2021-10-28 08:56:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:54,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:54,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:54,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:56:54,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:56:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:54,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:56:55,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:56:55,894 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:56:55,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945637086] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:55,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:56:55,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 08:56:55,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060731923] [2021-10-28 08:56:55,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:55,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:55,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:55,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:56:55,898 INFO L87 Difference]: Start difference. First operand 2535 states and 3594 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:57,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:57,106 INFO L93 Difference]: Finished difference Result 7507 states and 10649 transitions. [2021-10-28 08:56:57,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:57,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2021-10-28 08:56:57,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:57,142 INFO L225 Difference]: With dead ends: 7507 [2021-10-28 08:56:57,143 INFO L226 Difference]: Without dead ends: 4974 [2021-10-28 08:56:57,148 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:56:57,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4974 states. [2021-10-28 08:56:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4974 to 4971. [2021-10-28 08:56:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4971 states, 4970 states have (on average 1.26841046277666) internal successors, (6304), 4970 states have internal predecessors, (6304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4971 states to 4971 states and 6304 transitions. [2021-10-28 08:56:57,316 INFO L78 Accepts]: Start accepts. Automaton has 4971 states and 6304 transitions. Word has length 188 [2021-10-28 08:56:57,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:57,318 INFO L470 AbstractCegarLoop]: Abstraction has 4971 states and 6304 transitions. [2021-10-28 08:56:57,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 4971 states and 6304 transitions. [2021-10-28 08:56:57,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-10-28 08:56:57,331 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:57,331 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:56:57,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:56:57,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:57,545 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:57,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:57,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1619589606, now seen corresponding path program 1 times [2021-10-28 08:56:57,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:57,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775563711] [2021-10-28 08:56:57,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:57,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:56:57,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:57,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775563711] [2021-10-28 08:56:57,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775563711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:56:57,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:56:57,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:56:57,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972747803] [2021-10-28 08:56:57,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:56:57,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:56:57,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:56:57,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:56:57,701 INFO L87 Difference]: Start difference. First operand 4971 states and 6304 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:56:58,869 INFO L93 Difference]: Finished difference Result 14625 states and 18571 transitions. [2021-10-28 08:56:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:56:58,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2021-10-28 08:56:58,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:56:58,934 INFO L225 Difference]: With dead ends: 14625 [2021-10-28 08:56:58,934 INFO L226 Difference]: Without dead ends: 9656 [2021-10-28 08:56:58,943 INFO L786 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 [2021-10-28 08:56:58,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9656 states. [2021-10-28 08:56:59,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9656 to 9653. [2021-10-28 08:56:59,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9653 states, 9652 states have (on average 1.2318690426854537) internal successors, (11890), 9652 states have internal predecessors, (11890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9653 states to 9653 states and 11890 transitions. [2021-10-28 08:56:59,312 INFO L78 Accepts]: Start accepts. Automaton has 9653 states and 11890 transitions. Word has length 193 [2021-10-28 08:56:59,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:56:59,313 INFO L470 AbstractCegarLoop]: Abstraction has 9653 states and 11890 transitions. [2021-10-28 08:56:59,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:56:59,313 INFO L276 IsEmpty]: Start isEmpty. Operand 9653 states and 11890 transitions. [2021-10-28 08:56:59,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-28 08:56:59,333 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:56:59,333 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:56:59,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:56:59,334 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:56:59,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:56:59,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1707533785, now seen corresponding path program 1 times [2021-10-28 08:56:59,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:56:59,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982478076] [2021-10-28 08:56:59,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:59,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:56:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:56:59,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:56:59,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982478076] [2021-10-28 08:56:59,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982478076] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:56:59,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374705805] [2021-10-28 08:56:59,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:56:59,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:56:59,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:56:59,450 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:56:59,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 08:56:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:56:59,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:56:59,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:57:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:57:00,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374705805] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:00,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:57:00,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:57:00,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145822600] [2021-10-28 08:57:00,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:57:00,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:00,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:57:00,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:57:00,385 INFO L87 Difference]: Start difference. First operand 9653 states and 11890 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:01,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:01,586 INFO L93 Difference]: Finished difference Result 19330 states and 23829 transitions. [2021-10-28 08:57:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:57:01,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 [2021-10-28 08:57:01,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:01,643 INFO L225 Difference]: With dead ends: 19330 [2021-10-28 08:57:01,644 INFO L226 Difference]: Without dead ends: 9679 [2021-10-28 08:57:01,658 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:57:01,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9679 states. [2021-10-28 08:57:01,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9679 to 9653. [2021-10-28 08:57:01,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9653 states, 9652 states have (on average 1.2199544135930378) internal successors, (11775), 9652 states have internal predecessors, (11775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:01,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9653 states to 9653 states and 11775 transitions. [2021-10-28 08:57:01,918 INFO L78 Accepts]: Start accepts. Automaton has 9653 states and 11775 transitions. Word has length 221 [2021-10-28 08:57:01,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:01,919 INFO L470 AbstractCegarLoop]: Abstraction has 9653 states and 11775 transitions. [2021-10-28 08:57:01,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 9653 states and 11775 transitions. [2021-10-28 08:57:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-10-28 08:57:01,942 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:57:01,943 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 08:57:01,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:57:02,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:57:02,167 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:57:02,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:57:02,168 INFO L85 PathProgramCache]: Analyzing trace with hash 812809795, now seen corresponding path program 1 times [2021-10-28 08:57:02,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:57:02,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003535170] [2021-10-28 08:57:02,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:02,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:57:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:57:02,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:57:02,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003535170] [2021-10-28 08:57:02,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003535170] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:02,272 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:57:02,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:57:02,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726912636] [2021-10-28 08:57:02,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:57:02,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:02,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:57:02,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:57:02,274 INFO L87 Difference]: Start difference. First operand 9653 states and 11775 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:03,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:03,446 INFO L93 Difference]: Finished difference Result 23567 states and 29201 transitions. [2021-10-28 08:57:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:57:03,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 227 [2021-10-28 08:57:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:03,477 INFO L225 Difference]: With dead ends: 23567 [2021-10-28 08:57:03,477 INFO L226 Difference]: Without dead ends: 13916 [2021-10-28 08:57:03,495 INFO L786 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 [2021-10-28 08:57:03,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13916 states. [2021-10-28 08:57:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13916 to 13916. [2021-10-28 08:57:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13916 states, 13915 states have (on average 1.182608695652174) internal successors, (16456), 13915 states have internal predecessors, (16456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13916 states to 13916 states and 16456 transitions. [2021-10-28 08:57:03,851 INFO L78 Accepts]: Start accepts. Automaton has 13916 states and 16456 transitions. Word has length 227 [2021-10-28 08:57:03,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:03,851 INFO L470 AbstractCegarLoop]: Abstraction has 13916 states and 16456 transitions. [2021-10-28 08:57:03,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 13916 states and 16456 transitions. [2021-10-28 08:57:03,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-10-28 08:57:03,883 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:57:03,885 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:57:03,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:57:03,888 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:57:03,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:57:03,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1180890053, now seen corresponding path program 1 times [2021-10-28 08:57:03,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:57:03,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96579104] [2021-10-28 08:57:03,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:03,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:57:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-28 08:57:04,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:57:04,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96579104] [2021-10-28 08:57:04,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96579104] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:57:04,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115030713] [2021-10-28 08:57:04,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:04,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:57:04,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:57:04,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:57:04,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-28 08:57:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:04,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:57:04,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:57:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-28 08:57:04,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115030713] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:04,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:57:04,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:57:04,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743804391] [2021-10-28 08:57:04,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:57:04,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:04,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:57:04,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:57:04,984 INFO L87 Difference]: Start difference. First operand 13916 states and 16456 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:06,052 INFO L93 Difference]: Finished difference Result 27833 states and 32915 transitions. [2021-10-28 08:57:06,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:57:06,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 231 [2021-10-28 08:57:06,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:06,086 INFO L225 Difference]: With dead ends: 27833 [2021-10-28 08:57:06,087 INFO L226 Difference]: Without dead ends: 13919 [2021-10-28 08:57:06,105 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:57:06,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13919 states. [2021-10-28 08:57:06,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13919 to 13916. [2021-10-28 08:57:06,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13916 states, 13915 states have (on average 1.1627739849083722) internal successors, (16180), 13915 states have internal predecessors, (16180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13916 states to 13916 states and 16180 transitions. [2021-10-28 08:57:06,472 INFO L78 Accepts]: Start accepts. Automaton has 13916 states and 16180 transitions. Word has length 231 [2021-10-28 08:57:06,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:06,473 INFO L470 AbstractCegarLoop]: Abstraction has 13916 states and 16180 transitions. [2021-10-28 08:57:06,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 13916 states and 16180 transitions. [2021-10-28 08:57:06,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-10-28 08:57:06,509 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:57:06,510 INFO L513 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, 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] [2021-10-28 08:57:06,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:57:06,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:57:06,725 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:57:06,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:57:06,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1454619846, now seen corresponding path program 1 times [2021-10-28 08:57:06,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:57:06,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517303167] [2021-10-28 08:57:06,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:06,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:57:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:57:06,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:57:06,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517303167] [2021-10-28 08:57:06,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517303167] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:06,904 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:57:06,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:57:06,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283618729] [2021-10-28 08:57:06,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:57:06,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:06,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:57:06,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:57:06,907 INFO L87 Difference]: Start difference. First operand 13916 states and 16180 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:08,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:08,135 INFO L93 Difference]: Finished difference Result 34585 states and 40094 transitions. [2021-10-28 08:57:08,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:57:08,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 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 236 [2021-10-28 08:57:08,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:08,185 INFO L225 Difference]: With dead ends: 34585 [2021-10-28 08:57:08,185 INFO L226 Difference]: Without dead ends: 20671 [2021-10-28 08:57:08,207 INFO L786 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 [2021-10-28 08:57:08,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20671 states. [2021-10-28 08:57:08,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20671 to 20657. [2021-10-28 08:57:08,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20657 states, 20656 states have (on average 1.1499806351665376) internal successors, (23754), 20656 states have internal predecessors, (23754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20657 states to 20657 states and 23754 transitions. [2021-10-28 08:57:08,647 INFO L78 Accepts]: Start accepts. Automaton has 20657 states and 23754 transitions. Word has length 236 [2021-10-28 08:57:08,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:08,648 INFO L470 AbstractCegarLoop]: Abstraction has 20657 states and 23754 transitions. [2021-10-28 08:57:08,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:08,649 INFO L276 IsEmpty]: Start isEmpty. Operand 20657 states and 23754 transitions. [2021-10-28 08:57:08,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-10-28 08:57:08,686 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:57:08,686 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:57:08,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:57:08,687 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:57:08,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:57:08,688 INFO L85 PathProgramCache]: Analyzing trace with hash 726117733, now seen corresponding path program 1 times [2021-10-28 08:57:08,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:57:08,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948760673] [2021-10-28 08:57:08,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:08,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:57:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:57:08,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:57:08,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948760673] [2021-10-28 08:57:08,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948760673] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:08,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:57:08,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:57:08,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306253907] [2021-10-28 08:57:08,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:57:08,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:08,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:57:08,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:57:08,868 INFO L87 Difference]: Start difference. First operand 20657 states and 23754 transitions. Second operand has 4 states, 4 states have (on average 60.75) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:10,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:10,895 INFO L93 Difference]: Finished difference Result 54559 states and 62905 transitions. [2021-10-28 08:57:10,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:57:10,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 243 [2021-10-28 08:57:10,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:10,974 INFO L225 Difference]: With dead ends: 54559 [2021-10-28 08:57:10,974 INFO L226 Difference]: Without dead ends: 33904 [2021-10-28 08:57:10,996 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:57:11,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33904 states. [2021-10-28 08:57:11,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33904 to 33283. [2021-10-28 08:57:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33283 states, 33282 states have (on average 1.1363499789676101) internal successors, (37820), 33282 states have internal predecessors, (37820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33283 states to 33283 states and 37820 transitions. [2021-10-28 08:57:11,748 INFO L78 Accepts]: Start accepts. Automaton has 33283 states and 37820 transitions. Word has length 243 [2021-10-28 08:57:11,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:11,748 INFO L470 AbstractCegarLoop]: Abstraction has 33283 states and 37820 transitions. [2021-10-28 08:57:11,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.75) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 33283 states and 37820 transitions. [2021-10-28 08:57:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-10-28 08:57:11,786 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:57:11,786 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:57:11,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 08:57:11,787 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:57:11,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:57:11,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1121816472, now seen corresponding path program 1 times [2021-10-28 08:57:11,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:57:11,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540286504] [2021-10-28 08:57:11,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:11,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:57:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 86 proven. 6 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-10-28 08:57:11,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:57:11,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540286504] [2021-10-28 08:57:11,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540286504] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:57:11,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420575375] [2021-10-28 08:57:11,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:11,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:57:11,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:57:11,929 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:57:11,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-28 08:57:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:12,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:57:12,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:57:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-28 08:57:13,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420575375] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:13,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:57:13,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:57:13,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232855342] [2021-10-28 08:57:13,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:57:13,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:13,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:57:13,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:57:13,449 INFO L87 Difference]: Start difference. First operand 33283 states and 37820 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:14,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:14,844 INFO L93 Difference]: Finished difference Result 81227 states and 92618 transitions. [2021-10-28 08:57:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:57:14,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 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 261 [2021-10-28 08:57:14,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:14,919 INFO L225 Difference]: With dead ends: 81227 [2021-10-28 08:57:14,919 INFO L226 Difference]: Without dead ends: 47946 [2021-10-28 08:57:14,941 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:57:14,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47946 states. [2021-10-28 08:57:16,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47946 to 47899. [2021-10-28 08:57:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47899 states, 47898 states have (on average 1.1322810973318302) internal successors, (54234), 47898 states have internal predecessors, (54234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47899 states to 47899 states and 54234 transitions. [2021-10-28 08:57:16,126 INFO L78 Accepts]: Start accepts. Automaton has 47899 states and 54234 transitions. Word has length 261 [2021-10-28 08:57:16,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:16,127 INFO L470 AbstractCegarLoop]: Abstraction has 47899 states and 54234 transitions. [2021-10-28 08:57:16,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 47899 states and 54234 transitions. [2021-10-28 08:57:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-10-28 08:57:16,173 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:57:16,174 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-10-28 08:57:16,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-28 08:57:16,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 08:57:16,397 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:57:16,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:57:16,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1448083692, now seen corresponding path program 1 times [2021-10-28 08:57:16,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:57:16,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286906801] [2021-10-28 08:57:16,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:16,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:57:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:57:16,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:57:16,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286906801] [2021-10-28 08:57:16,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286906801] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:16,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:57:16,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:57:16,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248247238] [2021-10-28 08:57:16,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:57:16,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:16,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:57:16,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:57:16,557 INFO L87 Difference]: Start difference. First operand 47899 states and 54234 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 2 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:17,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:17,510 INFO L93 Difference]: Finished difference Result 91067 states and 103031 transitions. [2021-10-28 08:57:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:57:17,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 2 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 273 [2021-10-28 08:57:17,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:17,566 INFO L225 Difference]: With dead ends: 91067 [2021-10-28 08:57:17,566 INFO L226 Difference]: Without dead ends: 43170 [2021-10-28 08:57:17,595 INFO L786 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 [2021-10-28 08:57:17,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43170 states. [2021-10-28 08:57:18,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43170 to 43170. [2021-10-28 08:57:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43170 states, 43169 states have (on average 1.1234913942875675) internal successors, (48500), 43169 states have internal predecessors, (48500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43170 states to 43170 states and 48500 transitions. [2021-10-28 08:57:18,673 INFO L78 Accepts]: Start accepts. Automaton has 43170 states and 48500 transitions. Word has length 273 [2021-10-28 08:57:18,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:18,673 INFO L470 AbstractCegarLoop]: Abstraction has 43170 states and 48500 transitions. [2021-10-28 08:57:18,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 2 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 43170 states and 48500 transitions. [2021-10-28 08:57:18,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-10-28 08:57:18,907 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:57:18,908 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 08:57:18,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 08:57:18,908 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:57:18,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:57:18,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1872805633, now seen corresponding path program 1 times [2021-10-28 08:57:18,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:57:18,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277098085] [2021-10-28 08:57:18,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:18,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:57:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 120 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-10-28 08:57:19,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:57:19,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277098085] [2021-10-28 08:57:19,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277098085] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:57:19,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924539206] [2021-10-28 08:57:19,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:19,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:57:19,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:57:19,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:57:19,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-28 08:57:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:19,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:57:19,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:57:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-10-28 08:57:20,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924539206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:20,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:57:20,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:57:20,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063044061] [2021-10-28 08:57:20,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:57:20,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:20,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:57:20,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:57:20,649 INFO L87 Difference]: Start difference. First operand 43170 states and 48500 transitions. Second operand has 4 states, 4 states have (on average 52.75) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:22,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:22,480 INFO L93 Difference]: Finished difference Result 144063 states and 161586 transitions. [2021-10-28 08:57:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:57:22,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.75) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 295 [2021-10-28 08:57:22,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:22,610 INFO L225 Difference]: With dead ends: 144063 [2021-10-28 08:57:22,611 INFO L226 Difference]: Without dead ends: 100895 [2021-10-28 08:57:22,661 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:57:22,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100895 states. [2021-10-28 08:57:24,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100895 to 100890. [2021-10-28 08:57:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100890 states, 100889 states have (on average 1.1141551606220699) internal successors, (112406), 100889 states have internal predecessors, (112406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100890 states to 100890 states and 112406 transitions. [2021-10-28 08:57:24,800 INFO L78 Accepts]: Start accepts. Automaton has 100890 states and 112406 transitions. Word has length 295 [2021-10-28 08:57:24,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:24,800 INFO L470 AbstractCegarLoop]: Abstraction has 100890 states and 112406 transitions. [2021-10-28 08:57:24,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.75) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 100890 states and 112406 transitions. [2021-10-28 08:57:24,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-10-28 08:57:24,836 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:57:24,837 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:57:24,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:57:25,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 08:57:25,039 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:57:25,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:57:25,040 INFO L85 PathProgramCache]: Analyzing trace with hash -708626252, now seen corresponding path program 1 times [2021-10-28 08:57:25,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:57:25,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400126432] [2021-10-28 08:57:25,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:25,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:57:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 129 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-10-28 08:57:25,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:57:25,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400126432] [2021-10-28 08:57:25,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400126432] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:57:25,199 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192182132] [2021-10-28 08:57:25,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:57:25,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:57:25,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:57:25,201 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:57:25,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-28 08:57:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:57:26,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 08:57:26,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:57:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-10-28 08:57:27,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192182132] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:57:27,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 08:57:27,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-10-28 08:57:27,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581313395] [2021-10-28 08:57:27,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:57:27,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:57:27,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:57:27,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:57:27,062 INFO L87 Difference]: Start difference. First operand 100890 states and 112406 transitions. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:28,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:57:28,624 INFO L93 Difference]: Finished difference Result 177581 states and 197993 transitions. [2021-10-28 08:57:28,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:57:28,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 298 [2021-10-28 08:57:28,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:57:28,625 INFO L225 Difference]: With dead ends: 177581 [2021-10-28 08:57:28,625 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:57:28,664 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:57:28,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:57:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:57:28,665 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) [2021-10-28 08:57:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:57:28,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2021-10-28 08:57:28,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:57:28,666 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:57:28,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:57:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:57:28,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:57:28,670 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:57:28,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:57:28,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-28 08:57:28,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:57:28,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:57:28,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:57:29,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:57:30,399 INFO L857 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-10-28 08:57:30,400 INFO L857 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-10-28 08:57:30,400 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,400 INFO L857 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-10-28 08:57:30,400 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,400 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,400 INFO L857 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,400 INFO L857 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,401 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,401 INFO L857 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,401 INFO L857 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,401 INFO L857 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,401 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,401 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,401 INFO L857 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-10-28 08:57:30,401 INFO L857 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-10-28 08:57:30,402 INFO L857 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-10-28 08:57:30,403 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,403 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 08:57:30,404 INFO L857 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-10-28 08:57:30,404 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,404 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,404 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,404 INFO L857 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,405 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,405 INFO L857 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,405 INFO L857 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,405 INFO L857 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,405 INFO L857 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,406 INFO L857 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-10-28 08:57:30,406 INFO L857 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-10-28 08:57:30,406 INFO L857 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-10-28 08:57:30,407 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,407 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,407 INFO L857 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,407 INFO L857 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,407 INFO L857 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,407 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,408 INFO L857 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-10-28 08:57:30,408 INFO L857 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-10-28 08:57:30,408 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,408 INFO L857 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-10-28 08:57:30,408 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,409 INFO L857 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-10-28 08:57:30,409 INFO L857 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-10-28 08:57:30,409 INFO L857 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,409 INFO L857 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,409 INFO L857 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,410 INFO L857 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,410 INFO L857 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,410 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,410 INFO L857 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,410 INFO L857 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-10-28 08:57:30,411 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,411 INFO L857 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-10-28 08:57:30,411 INFO L857 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-10-28 08:57:30,411 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,411 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,411 INFO L857 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,412 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,412 INFO L857 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 08:57:30,412 INFO L857 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-10-28 08:57:30,412 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,412 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,413 INFO L857 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,413 INFO L857 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,413 INFO L857 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,413 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,413 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,413 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,414 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,414 INFO L857 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,414 INFO L857 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-10-28 08:57:30,414 INFO L857 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-10-28 08:57:30,414 INFO L857 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-10-28 08:57:30,414 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,415 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,415 INFO L857 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,415 INFO L857 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,415 INFO L857 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,415 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,416 INFO L857 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-10-28 08:57:30,416 INFO L857 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-10-28 08:57:30,416 INFO L857 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-10-28 08:57:30,416 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,416 INFO L857 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,417 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,417 INFO L857 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,417 INFO L857 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,417 INFO L857 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,417 INFO L857 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-10-28 08:57:30,418 INFO L857 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-10-28 08:57:30,421 INFO L857 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-10-28 08:57:30,421 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,421 INFO L857 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,422 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,422 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-28 08:57:30,422 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,422 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-28 08:57:30,422 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:57:30,423 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,423 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,423 INFO L857 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 08:57:30,423 INFO L857 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-10-28 08:57:30,423 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,424 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,424 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,424 INFO L857 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,424 INFO L857 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,424 INFO L857 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,425 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,425 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-10-28 08:57:30,425 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-10-28 08:57:30,425 INFO L857 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-10-28 08:57:30,425 INFO L857 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-10-28 08:57:30,426 INFO L857 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-10-28 08:57:30,426 INFO L857 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,426 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,426 INFO L857 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,427 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,427 INFO L857 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,427 INFO L857 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,427 INFO L857 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,427 INFO L857 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,428 INFO L857 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,428 INFO L857 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,428 INFO L857 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-10-28 08:57:30,428 INFO L857 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-10-28 08:57:30,428 INFO L857 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-10-28 08:57:30,429 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,429 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,429 INFO L857 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,429 INFO L857 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,429 INFO L857 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,429 INFO L857 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,430 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,430 INFO L857 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,430 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,430 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:57:30,430 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1564) no Hoare annotation was computed. [2021-10-28 08:57:30,431 INFO L857 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-10-28 08:57:30,431 INFO L857 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-10-28 08:57:30,431 INFO L857 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-10-28 08:57:30,431 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-10-28 08:57:30,431 INFO L857 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-10-28 08:57:30,432 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,432 INFO L857 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,432 INFO L857 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,432 INFO L857 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,432 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,433 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,433 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,433 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,433 INFO L857 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-10-28 08:57:30,433 INFO L857 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-10-28 08:57:30,434 INFO L857 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-10-28 08:57:30,434 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,434 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,434 INFO L857 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,434 INFO L857 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-10-28 08:57:30,434 INFO L857 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-10-28 08:57:30,435 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,435 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,435 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,435 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-10-28 08:57:30,435 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,436 INFO L857 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-10-28 08:57:30,436 INFO L857 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,436 INFO L857 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-10-28 08:57:30,436 INFO L857 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,436 INFO L857 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,436 INFO L857 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 08:57:30,437 INFO L857 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-10-28 08:57:30,437 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 08:57:30,437 INFO L857 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-10-28 08:57:30,437 INFO L857 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-10-28 08:57:30,437 INFO L857 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-10-28 08:57:30,437 INFO L857 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-10-28 08:57:30,438 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,438 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,438 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,439 INFO L853 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse4 (<= ~a3~0 0)) (.cse8 (= ~a11~0 0)) (.cse3 (= ~a15~0 1)) (.cse7 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse5 (= ~a12~0 ~a11~0)) (.cse6 (= ~a27~0 1)) (.cse12 (= ~a3~0 1)) (.cse9 (not (= ~a6~0 1))) (.cse0 (= ~a5~0 1)) (.cse11 (<= 2 ~a3~0)) (.cse10 (= ~a12~0 0)) (.cse2 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse6) (and .cse3 .cse0 .cse1 .cse4 .cse8 .cse6) (and .cse7 .cse0 .cse1 .cse5 .cse9 .cse6) (and .cse7 .cse0 .cse1 .cse4 .cse6) (and .cse7 .cse0 .cse10 .cse2) (and .cse0 .cse1 .cse11 .cse6) (and .cse0 .cse10 .cse6) (and .cse0 .cse8 .cse12 .cse10 .cse2) (and .cse3 .cse7 .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse12 .cse9 .cse10 .cse2) (and .cse0 .cse11 .cse10 .cse2))) [2021-10-28 08:57:30,439 INFO L857 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,439 INFO L857 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,439 INFO L857 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,440 INFO L857 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-10-28 08:57:30,440 INFO L857 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-10-28 08:57:30,440 INFO L857 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,440 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,440 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,441 INFO L860 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-10-28 08:57:30,441 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,441 INFO L857 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,441 INFO L857 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,441 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,441 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,442 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,442 INFO L857 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-10-28 08:57:30,442 INFO L857 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-10-28 08:57:30,442 INFO L857 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,442 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,443 INFO L857 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,443 INFO L857 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,443 INFO L857 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,443 INFO L857 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,443 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,443 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,444 INFO L857 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,444 INFO L857 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-10-28 08:57:30,444 INFO L857 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-10-28 08:57:30,444 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,444 INFO L857 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,445 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 08:57:30,445 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 08:57:30,445 INFO L857 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,446 INFO L853 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse4 (<= ~a3~0 0)) (.cse8 (= ~a11~0 0)) (.cse3 (= ~a15~0 1)) (.cse7 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse5 (= ~a12~0 ~a11~0)) (.cse6 (= ~a27~0 1)) (.cse12 (= ~a3~0 1)) (.cse9 (not (= ~a6~0 1))) (.cse0 (= ~a5~0 1)) (.cse11 (<= 2 ~a3~0)) (.cse10 (= ~a12~0 0)) (.cse2 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse6) (and .cse3 .cse0 .cse1 .cse4 .cse8 .cse6) (and .cse7 .cse0 .cse1 .cse5 .cse9 .cse6) (and .cse7 .cse0 .cse1 .cse4 .cse6) (and .cse7 .cse0 .cse10 .cse2) (and .cse0 .cse1 .cse11 .cse6) (and .cse0 .cse10 .cse6) (and .cse0 .cse8 .cse12 .cse10 .cse2) (and .cse3 .cse7 .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse12 .cse9 .cse10 .cse2) (and .cse0 .cse11 .cse10 .cse2))) [2021-10-28 08:57:30,446 INFO L857 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,446 INFO L857 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,447 INFO L857 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,447 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,447 INFO L857 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-10-28 08:57:30,447 INFO L857 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-10-28 08:57:30,447 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,448 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,448 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,448 INFO L857 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,448 INFO L857 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,448 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,448 INFO L857 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,449 INFO L857 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,449 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:57:30,449 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-10-28 08:57:30,449 INFO L857 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-10-28 08:57:30,449 INFO L857 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-10-28 08:57:30,450 INFO L857 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,450 INFO L857 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-10-28 08:57:30,450 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,450 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,450 INFO L857 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-10-28 08:57:30,451 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,451 INFO L857 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,451 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,451 INFO L857 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,451 INFO L857 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,452 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-10-28 08:57:30,452 INFO L857 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,453 INFO L857 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-10-28 08:57:30,454 INFO L857 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-10-28 08:57:30,454 INFO L857 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-10-28 08:57:30,454 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,454 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,455 INFO L857 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,456 INFO L857 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,456 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,456 INFO L857 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,458 INFO L857 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,458 INFO L857 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,458 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 08:57:30,458 INFO L857 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-10-28 08:57:30,459 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,459 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,459 INFO L857 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-10-28 08:57:30,459 INFO L857 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-10-28 08:57:30,459 INFO L857 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-10-28 08:57:30,460 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,460 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,460 INFO L857 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,460 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,460 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,460 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:57:30,461 INFO L857 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,461 INFO L857 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,461 INFO L857 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,461 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,461 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,462 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,462 INFO L857 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-10-28 08:57:30,462 INFO L857 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-10-28 08:57:30,462 INFO L857 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-10-28 08:57:30,462 INFO L857 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,463 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,463 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,463 INFO L857 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,463 INFO L857 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,463 INFO L857 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,463 INFO L857 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,464 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 08:57:30,464 INFO L857 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-10-28 08:57:30,464 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,464 INFO L857 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-10-28 08:57:30,464 INFO L857 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-10-28 08:57:30,465 INFO L857 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-10-28 08:57:30,465 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,465 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,465 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,465 INFO L857 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,465 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-10-28 08:57:30,466 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-10-28 08:57:30,466 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-10-28 08:57:30,466 INFO L857 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,466 INFO L857 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,466 INFO L857 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-10-28 08:57:30,470 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:57:30,473 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:57:30,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:57:30 BoogieIcfgContainer [2021-10-28 08:57:30,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:57:30,519 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:57:30,519 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:57:30,520 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:57:30,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:56:47" (3/4) ... [2021-10-28 08:57:30,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:57:30,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-28 08:57:30,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-28 08:57:30,589 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:57:30,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:57:30,919 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:57:30,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:57:30,922 INFO L168 Benchmark]: Toolchain (without parser) took 47394.14 ms. Allocated memory was 94.4 MB in the beginning and 8.5 GB in the end (delta: 8.4 GB). Free memory was 69.5 MB in the beginning and 7.2 GB in the end (delta: -7.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2021-10-28 08:57:30,922 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 94.4 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:57:30,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1448.20 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 69.2 MB in the beginning and 84.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:30,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.99 ms. Allocated memory is still 134.2 MB. Free memory was 83.9 MB in the beginning and 69.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:30,924 INFO L168 Benchmark]: Boogie Preprocessor took 138.95 ms. Allocated memory is still 134.2 MB. Free memory was 69.9 MB in the beginning and 59.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:30,925 INFO L168 Benchmark]: RCFGBuilder took 2622.69 ms. Allocated memory was 134.2 MB in the beginning and 228.6 MB in the end (delta: 94.4 MB). Free memory was 59.4 MB in the beginning and 159.6 MB in the end (delta: -100.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:30,925 INFO L168 Benchmark]: TraceAbstraction took 42570.93 ms. Allocated memory was 228.6 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 159.6 MB in the beginning and 7.2 GB in the end (delta: -7.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-28 08:57:30,926 INFO L168 Benchmark]: Witness Printer took 400.38 ms. Allocated memory is still 8.5 GB. Free memory was 7.2 GB in the beginning and 7.2 GB in the end (delta: 36.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:57:30,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 94.4 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1448.20 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 69.2 MB in the beginning and 84.6 MB in the end (delta: -15.4 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 204.99 ms. Allocated memory is still 134.2 MB. Free memory was 83.9 MB in the beginning and 69.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 138.95 ms. Allocated memory is still 134.2 MB. Free memory was 69.9 MB in the beginning and 59.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2622.69 ms. Allocated memory was 134.2 MB in the beginning and 228.6 MB in the end (delta: 94.4 MB). Free memory was 59.4 MB in the beginning and 159.6 MB in the end (delta: -100.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 42570.93 ms. Allocated memory was 228.6 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 159.6 MB in the beginning and 7.2 GB in the end (delta: -7.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. * Witness Printer took 400.38 ms. Allocated memory is still 8.5 GB. Free memory was 7.2 GB in the beginning and 7.2 GB in the end (delta: 36.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * 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: 1564]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.4s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 20.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2889 SDtfs, 3376 SDslu, 594 SDs, 0 SdLazy, 9342 SolverSat, 1813 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1528 GetRequests, 1499 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100890occurred in iteration=14, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 750 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 567 NumberOfFragments, 405 HoareAnnotationTreeSize, 3 FomulaSimplifications, 12902 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 404 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 4879 NumberOfCodeBlocks, 4879 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4858 ConstructedInterpolants, 0 QuantifiedInterpolants, 10128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3132 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 21 InterpolantComputations, 15 PerfectInterpolantSequences, 2051/2093 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((a5 == 1 && a12 == 1) && a27 <= 0) || (((((a15 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a12 == a11) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1)) || (((((a15 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a12 == a11) && !(a6 == 1)) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a12 == 0) && a27 <= 0)) || (((a5 == 1 && a12 == 1) && 2 <= a3) && a27 == 1)) || ((a5 == 1 && a12 == 0) && a27 == 1)) || ((((a5 == 1 && a11 == 0) && a3 == 1) && a12 == 0) && a27 <= 0)) || (((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a12 == a11) && a27 == 1)) || ((((a5 == 1 && a3 == 1) && !(a6 == 1)) && a12 == 0) && a27 <= 0)) || (((a5 == 1 && 2 <= a3) && a12 == 0) && a27 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((a5 == 1 && a12 == 1) && a27 <= 0) || (((((a15 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a12 == a11) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1)) || (((((a15 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a27 == 1)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a12 == a11) && !(a6 == 1)) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a12 == 0) && a27 <= 0)) || (((a5 == 1 && a12 == 1) && 2 <= a3) && a27 == 1)) || ((a5 == 1 && a12 == 0) && a27 == 1)) || ((((a5 == 1 && a11 == 0) && a3 == 1) && a12 == 0) && a27 <= 0)) || (((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && a12 == a11) && a27 == 1)) || ((((a5 == 1 && a3 == 1) && !(a6 == 1)) && a12 == 0) && a27 <= 0)) || (((a5 == 1 && 2 <= a3) && a12 == 0) && a27 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:57:31,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca092e45-3d63-4af9-8f99-00290a39168c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...