./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt --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 a9fd3bf4b32d34628b01b5d29cc6df1452a2d1c7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:46:16,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:46:16,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:46:16,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:46:16,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:46:16,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:46:16,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:46:16,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:46:16,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:46:16,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:46:16,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:46:16,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:46:16,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:46:16,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:46:16,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:46:16,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:46:16,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:46:16,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:46:16,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:46:16,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:46:16,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:46:16,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:46:16,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:46:16,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:46:16,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:46:16,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:46:16,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:46:16,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:46:16,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:46:16,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:46:16,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:46:16,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:46:16,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:46:16,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:46:16,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:46:16,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:46:16,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:46:16,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:46:16,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:46:16,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:46:16,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:46:16,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:46:16,975 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:46:16,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:46:16,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:46:16,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:46:16,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:46:16,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:46:16,983 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:46:16,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:46:16,984 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:46:16,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:46:16,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:46:16,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:46:16,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:46:16,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:46:16,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:46:16,986 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:46:16,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:46:16,986 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:46:16,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:46:16,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:46:16,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:46:16,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:46:16,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:46:16,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:46:16,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:46:16,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:46:16,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:46:16,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:46:16,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:46:16,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:46:16,991 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_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9fd3bf4b32d34628b01b5d29cc6df1452a2d1c7 [2021-10-13 00:46:17,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:46:17,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:46:17,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:46:17,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:46:17,299 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:46:17,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2021-10-13 00:46:17,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/data/804f721f2/b2b4731bf76649508965b3e508f9dd5d/FLAGc4aa6169e [2021-10-13 00:46:17,915 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:46:17,916 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2021-10-13 00:46:17,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/data/804f721f2/b2b4731bf76649508965b3e508f9dd5d/FLAGc4aa6169e [2021-10-13 00:46:18,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/data/804f721f2/b2b4731bf76649508965b3e508f9dd5d [2021-10-13 00:46:18,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:46:18,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:46:18,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:46:18,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:46:18,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:46:18,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:18,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca5ea0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18, skipping insertion in model container [2021-10-13 00:46:18,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:18,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:46:18,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:46:18,781 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_2c97e0c3-815e-4f99-92d3-806a402bdf37/sv-benchmarks/c/eca-rers2012/Problem02_label48.c[20995,21008] [2021-10-13 00:46:18,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:46:18,820 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:46:18,930 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_2c97e0c3-815e-4f99-92d3-806a402bdf37/sv-benchmarks/c/eca-rers2012/Problem02_label48.c[20995,21008] [2021-10-13 00:46:18,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:46:18,950 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:46:18,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18 WrapperNode [2021-10-13 00:46:18,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:46:18,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:46:18,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:46:18,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:46:18,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:18,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:46:19,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:46:19,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:46:19,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:46:19,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:46:19,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:46:19,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:46:19,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:46:19,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (1/1) ... [2021-10-13 00:46:19,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:46:19,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:46:19,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:46:19,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:46:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:46:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:46:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:46:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:46:20,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:46:20,704 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:46:20,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:46:20 BoogieIcfgContainer [2021-10-13 00:46:20,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:46:20,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:46:20,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:46:20,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:46:20,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:46:18" (1/3) ... [2021-10-13 00:46:20,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d75fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:46:20, skipping insertion in model container [2021-10-13 00:46:20,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:46:18" (2/3) ... [2021-10-13 00:46:20,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d75fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:46:20, skipping insertion in model container [2021-10-13 00:46:20,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:46:20" (3/3) ... [2021-10-13 00:46:20,718 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2021-10-13 00:46:20,724 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:46:20,725 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:46:20,801 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:46:20,809 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:46:20,811 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:46:20,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-10-13 00:46:20,857 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:46:20,857 INFO L512 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] [2021-10-13 00:46:20,858 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:46:20,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:46:20,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1936539381, now seen corresponding path program 1 times [2021-10-13 00:46:20,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:46:20,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766127928] [2021-10-13 00:46:20,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:46:20,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:46:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:46:21,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:46:21,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:46:21,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766127928] [2021-10-13 00:46:21,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766127928] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:46:21,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:46:21,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:46:21,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636816831] [2021-10-13 00:46:21,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:46:21,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:46:21,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:46:21,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:21,336 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:22,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:46:22,099 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2021-10-13 00:46:22,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:46:22,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2021-10-13 00:46:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:46:22,128 INFO L225 Difference]: With dead ends: 630 [2021-10-13 00:46:22,128 INFO L226 Difference]: Without dead ends: 318 [2021-10-13 00:46:22,137 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:22,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-10-13 00:46:22,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-10-13 00:46:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2021-10-13 00:46:22,222 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 137 [2021-10-13 00:46:22,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:46:22,226 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2021-10-13 00:46:22,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:22,227 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2021-10-13 00:46:22,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-13 00:46:22,237 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:46:22,238 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 00:46:22,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:46:22,239 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:46:22,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:46:22,242 INFO L82 PathProgramCache]: Analyzing trace with hash 2067972608, now seen corresponding path program 1 times [2021-10-13 00:46:22,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:46:22,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840374677] [2021-10-13 00:46:22,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:46:22,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:46:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:46:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:46:22,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:46:22,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840374677] [2021-10-13 00:46:22,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840374677] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:46:22,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:46:22,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:46:22,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627245892] [2021-10-13 00:46:22,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:46:22,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:46:22,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:46:22,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:46:22,500 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:23,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:46:23,363 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions. [2021-10-13 00:46:23,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:46:23,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 141 [2021-10-13 00:46:23,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:46:23,368 INFO L225 Difference]: With dead ends: 999 [2021-10-13 00:46:23,368 INFO L226 Difference]: Without dead ends: 600 [2021-10-13 00:46:23,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:46:23,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-10-13 00:46:23,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2021-10-13 00:46:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.358931552587646) internal successors, (814), 599 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 814 transitions. [2021-10-13 00:46:23,444 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 814 transitions. Word has length 141 [2021-10-13 00:46:23,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:46:23,444 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 814 transitions. [2021-10-13 00:46:23,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:23,445 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 814 transitions. [2021-10-13 00:46:23,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-10-13 00:46:23,448 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:46:23,448 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 00:46:23,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:46:23,449 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:46:23,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:46:23,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1497499690, now seen corresponding path program 1 times [2021-10-13 00:46:23,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:46:23,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100523266] [2021-10-13 00:46:23,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:46:23,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:46:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:46:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:46:23,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:46:23,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100523266] [2021-10-13 00:46:23,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100523266] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:46:23,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:46:23,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:46:23,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163523873] [2021-10-13 00:46:23,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:46:23,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:46:23,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:46:23,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:23,577 INFO L87 Difference]: Start difference. First operand 600 states and 814 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:24,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:46:24,089 INFO L93 Difference]: Finished difference Result 1781 states and 2421 transitions. [2021-10-13 00:46:24,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:46:24,090 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2021-10-13 00:46:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:46:24,097 INFO L225 Difference]: With dead ends: 1781 [2021-10-13 00:46:24,097 INFO L226 Difference]: Without dead ends: 1183 [2021-10-13 00:46:24,098 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:24,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-10-13 00:46:24,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1173. [2021-10-13 00:46:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1172 states have (on average 1.3131399317406143) internal successors, (1539), 1172 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1539 transitions. [2021-10-13 00:46:24,156 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1539 transitions. Word has length 155 [2021-10-13 00:46:24,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:46:24,157 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1539 transitions. [2021-10-13 00:46:24,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1539 transitions. [2021-10-13 00:46:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-10-13 00:46:24,176 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:46:24,177 INFO L512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:46:24,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:46:24,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:46:24,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:46:24,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1895468743, now seen corresponding path program 1 times [2021-10-13 00:46:24,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:46:24,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021238727] [2021-10-13 00:46:24,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:46:24,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:46:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:46:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:46:24,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:46:24,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021238727] [2021-10-13 00:46:24,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021238727] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:46:24,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:46:24,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:46:24,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785328025] [2021-10-13 00:46:24,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:46:24,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:46:24,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:46:24,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:24,286 INFO L87 Difference]: Start difference. First operand 1173 states and 1539 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:46:24,887 INFO L93 Difference]: Finished difference Result 3329 states and 4392 transitions. [2021-10-13 00:46:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:46:24,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 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 161 [2021-10-13 00:46:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:46:24,899 INFO L225 Difference]: With dead ends: 3329 [2021-10-13 00:46:24,899 INFO L226 Difference]: Without dead ends: 2158 [2021-10-13 00:46:24,901 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:24,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-10-13 00:46:24,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2155. [2021-10-13 00:46:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.200557103064067) internal successors, (2586), 2154 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2586 transitions. [2021-10-13 00:46:24,958 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2586 transitions. Word has length 161 [2021-10-13 00:46:24,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:46:24,958 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2586 transitions. [2021-10-13 00:46:24,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2586 transitions. [2021-10-13 00:46:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-10-13 00:46:24,965 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:46:24,965 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:46:24,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:46:24,966 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:46:24,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:46:24,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1986926839, now seen corresponding path program 1 times [2021-10-13 00:46:24,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:46:24,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171451039] [2021-10-13 00:46:24,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:46:24,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:46:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:46:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:46:25,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:46:25,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171451039] [2021-10-13 00:46:25,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171451039] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:46:25,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017207448] [2021-10-13 00:46:25,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:46:25,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:46:25,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:46:25,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:46:25,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:46:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:46:25,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:46:25,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:46:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 00:46:25,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017207448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:46:25,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:46:25,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-13 00:46:25,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072044107] [2021-10-13 00:46:25,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:46:25,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:46:25,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:46:25,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:46:25,994 INFO L87 Difference]: Start difference. First operand 2155 states and 2586 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:26,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:46:26,549 INFO L93 Difference]: Finished difference Result 5008 states and 6119 transitions. [2021-10-13 00:46:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:46:26,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 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 164 [2021-10-13 00:46:26,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:46:26,565 INFO L225 Difference]: With dead ends: 5008 [2021-10-13 00:46:26,565 INFO L226 Difference]: Without dead ends: 2145 [2021-10-13 00:46:26,570 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 22.4ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:46:26,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2021-10-13 00:46:26,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2145. [2021-10-13 00:46:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.1730410447761195) internal successors, (2515), 2144 states have internal predecessors, (2515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2515 transitions. [2021-10-13 00:46:26,623 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2515 transitions. Word has length 164 [2021-10-13 00:46:26,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:46:26,624 INFO L470 AbstractCegarLoop]: Abstraction has 2145 states and 2515 transitions. [2021-10-13 00:46:26,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2515 transitions. [2021-10-13 00:46:26,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-10-13 00:46:26,630 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:46:26,630 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:46:26,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:46:26,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:46:26,845 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:46:26,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:46:26,845 INFO L82 PathProgramCache]: Analyzing trace with hash 555424189, now seen corresponding path program 1 times [2021-10-13 00:46:26,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:46:26,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234864911] [2021-10-13 00:46:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:46:26,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:46:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:46:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 00:46:26,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:46:26,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234864911] [2021-10-13 00:46:26,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234864911] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:46:26,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:46:26,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:46:26,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010425884] [2021-10-13 00:46:26,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:46:26,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:46:26,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:46:26,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:26,928 INFO L87 Difference]: Start difference. First operand 2145 states and 2515 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:46:27,462 INFO L93 Difference]: Finished difference Result 4846 states and 5706 transitions. [2021-10-13 00:46:27,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:46:27,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 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 171 [2021-10-13 00:46:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:46:27,479 INFO L225 Difference]: With dead ends: 4846 [2021-10-13 00:46:27,479 INFO L226 Difference]: Without dead ends: 2703 [2021-10-13 00:46:27,482 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:27,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2703 states. [2021-10-13 00:46:27,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2703 to 2702. [2021-10-13 00:46:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2702 states, 2701 states have (on average 1.1625323954091078) internal successors, (3140), 2701 states have internal predecessors, (3140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2702 states and 3140 transitions. [2021-10-13 00:46:27,580 INFO L78 Accepts]: Start accepts. Automaton has 2702 states and 3140 transitions. Word has length 171 [2021-10-13 00:46:27,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:46:27,581 INFO L470 AbstractCegarLoop]: Abstraction has 2702 states and 3140 transitions. [2021-10-13 00:46:27,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 3140 transitions. [2021-10-13 00:46:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-13 00:46:27,589 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:46:27,589 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:46:27,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:46:27,590 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:46:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:46:27,591 INFO L82 PathProgramCache]: Analyzing trace with hash 362296445, now seen corresponding path program 1 times [2021-10-13 00:46:27,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:46:27,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858804734] [2021-10-13 00:46:27,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:46:27,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:46:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:46:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-13 00:46:27,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:46:27,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858804734] [2021-10-13 00:46:27,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858804734] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:46:27,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:46:27,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:46:27,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368886591] [2021-10-13 00:46:27,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:46:27,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:46:27,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:46:27,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:27,692 INFO L87 Difference]: Start difference. First operand 2702 states and 3140 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:46:28,240 INFO L93 Difference]: Finished difference Result 5400 states and 6280 transitions. [2021-10-13 00:46:28,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:46:28,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 179 [2021-10-13 00:46:28,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:46:28,241 INFO L225 Difference]: With dead ends: 5400 [2021-10-13 00:46:28,241 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:46:28,247 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:46:28,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:46:28,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:46:28,247 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) [2021-10-13 00:46:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:46:28,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2021-10-13 00:46:28,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:46:28,248 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:46:28,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:46:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:46:28,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:46:28,255 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:46:28,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:46:28,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:46:28,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:46:28,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:46:28,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:46:28,370 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,370 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,370 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,371 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-13 00:46:28,371 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-13 00:46:28,371 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-13 00:46:28,371 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-13 00:46:28,371 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-13 00:46:28,371 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-13 00:46:28,371 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-13 00:46:28,372 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-13 00:46:28,372 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,372 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,372 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,372 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-13 00:46:28,372 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-13 00:46:28,372 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-13 00:46:28,372 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-13 00:46:28,373 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-13 00:46:28,373 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,373 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,373 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,373 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-13 00:46:28,373 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-13 00:46:28,373 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-13 00:46:28,374 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-13 00:46:28,374 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-13 00:46:28,374 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-13 00:46:28,374 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-13 00:46:28,374 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-13 00:46:28,374 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-13 00:46:28,374 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-13 00:46:28,375 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,375 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,375 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,375 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-13 00:46:28,375 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-13 00:46:28,375 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-13 00:46:28,375 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-13 00:46:28,375 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-13 00:46:28,376 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-13 00:46:28,376 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-13 00:46:28,376 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,376 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,376 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,376 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-13 00:46:28,376 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-13 00:46:28,377 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-13 00:46:28,377 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-13 00:46:28,377 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-13 00:46:28,377 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-13 00:46:28,377 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-13 00:46:28,377 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,377 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,377 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,378 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-13 00:46:28,378 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-13 00:46:28,378 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-13 00:46:28,378 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-13 00:46:28,378 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-13 00:46:28,378 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,378 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-13 00:46:28,379 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-13 00:46:28,380 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,380 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,380 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,380 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-13 00:46:28,380 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:46:28,380 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-13 00:46:28,380 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-13 00:46:28,380 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-13 00:46:28,381 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-13 00:46:28,382 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-13 00:46:28,382 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-13 00:46:28,382 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-13 00:46:28,382 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-13 00:46:28,382 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-13 00:46:28,382 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-13 00:46:28,382 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-13 00:46:28,382 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-13 00:46:28,383 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:46:28,384 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 593) no Hoare annotation was computed. [2021-10-13 00:46:28,384 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,384 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,384 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,384 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-13 00:46:28,384 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-13 00:46:28,384 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-13 00:46:28,385 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-13 00:46:28,385 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-13 00:46:28,385 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-13 00:46:28,385 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-13 00:46:28,385 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-13 00:46:28,385 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,385 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,385 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,386 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-13 00:46:28,386 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-13 00:46:28,386 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-13 00:46:28,386 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-13 00:46:28,386 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-13 00:46:28,386 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,386 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,387 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,387 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-13 00:46:28,387 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-13 00:46:28,387 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-13 00:46:28,387 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-13 00:46:28,387 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-13 00:46:28,387 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-13 00:46:28,387 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-13 00:46:28,388 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-13 00:46:28,388 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-13 00:46:28,388 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-13 00:46:28,388 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-13 00:46:28,388 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,388 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,388 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-13 00:46:28,389 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-13 00:46:28,389 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-13 00:46:28,389 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-13 00:46:28,389 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-13 00:46:28,389 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-13 00:46:28,389 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-13 00:46:28,389 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-13 00:46:28,389 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-13 00:46:28,390 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse2 (<= ~a28~0 10)) (.cse1 (<= ~a25~0 0))) (or (and (= ~a17~0 8) .cse0 (= ~a21~0 1) (= ~a19~0 1)) (and (= ~a11~0 0) .cse1) (<= ~a17~0 7) (and .cse0 .cse2) (and .cse2 .cse1))) [2021-10-13 00:46:28,390 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,390 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,390 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-13 00:46:28,390 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-13 00:46:28,390 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-13 00:46:28,391 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-13 00:46:28,391 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-13 00:46:28,391 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-13 00:46:28,391 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-13 00:46:28,391 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,391 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,391 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-13 00:46:28,392 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-13 00:46:28,392 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-13 00:46:28,392 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-13 00:46:28,392 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-13 00:46:28,392 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-13 00:46:28,392 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-13 00:46:28,392 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-13 00:46:28,392 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-13 00:46:28,393 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,393 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,393 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-13 00:46:28,393 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-13 00:46:28,393 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-13 00:46:28,393 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-13 00:46:28,393 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:46:28,393 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-13 00:46:28,394 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-13 00:46:28,394 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse2 (<= ~a28~0 10)) (.cse1 (<= ~a25~0 0))) (or (and (= ~a17~0 8) .cse0 (= ~a21~0 1) (= ~a19~0 1)) (and (= ~a11~0 0) .cse1) (<= ~a17~0 7) (and .cse0 .cse2) (and .cse2 .cse1))) [2021-10-13 00:46:28,394 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,394 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,394 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-13 00:46:28,394 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-13 00:46:28,394 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-13 00:46:28,395 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-13 00:46:28,395 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-13 00:46:28,395 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,395 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,395 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-13 00:46:28,395 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-13 00:46:28,395 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-13 00:46:28,395 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-13 00:46:28,396 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-13 00:46:28,396 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-13 00:46:28,396 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-13 00:46:28,396 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-13 00:46:28,396 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-13 00:46:28,396 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,396 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,396 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-13 00:46:28,397 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,397 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:46:28,397 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-13 00:46:28,397 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-13 00:46:28,397 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-13 00:46:28,397 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-13 00:46:28,397 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-13 00:46:28,397 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-13 00:46:28,398 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,398 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,398 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,398 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-13 00:46:28,398 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-13 00:46:28,398 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-13 00:46:28,398 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-13 00:46:28,398 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-13 00:46:28,399 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,399 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,399 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:46:28,399 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-13 00:46:28,399 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-13 00:46:28,399 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-13 00:46:28,399 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-13 00:46:28,399 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-13 00:46:28,400 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-13 00:46:28,404 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:46:28,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:46:28 BoogieIcfgContainer [2021-10-13 00:46:28,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:46:28,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:46:28,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:46:28,423 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:46:28,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:46:20" (3/4) ... [2021-10-13 00:46:28,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:46:28,450 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 00:46:28,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 00:46:28,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:46:28,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:46:28,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:46:28,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:46:28,581 INFO L168 Benchmark]: Toolchain (without parser) took 10365.46 ms. Allocated memory was 107.0 MB in the beginning and 226.5 MB in the end (delta: 119.5 MB). Free memory was 76.4 MB in the beginning and 98.5 MB in the end (delta: -22.1 MB). Peak memory consumption was 97.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:46:28,581 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 107.0 MB. Free memory is still 64.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:46:28,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.78 ms. Allocated memory is still 107.0 MB. Free memory was 76.2 MB in the beginning and 66.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:46:28,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.98 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 60.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:46:28,582 INFO L168 Benchmark]: Boogie Preprocessor took 71.26 ms. Allocated memory is still 107.0 MB. Free memory was 60.4 MB in the beginning and 56.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:46:28,583 INFO L168 Benchmark]: RCFGBuilder took 1580.03 ms. Allocated memory was 107.0 MB in the beginning and 134.2 MB in the end (delta: 27.3 MB). Free memory was 56.2 MB in the beginning and 95.4 MB in the end (delta: -39.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:46:28,583 INFO L168 Benchmark]: TraceAbstraction took 7712.60 ms. Allocated memory was 134.2 MB in the beginning and 226.5 MB in the end (delta: 92.3 MB). Free memory was 95.4 MB in the beginning and 113.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 74.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:46:28,584 INFO L168 Benchmark]: Witness Printer took 156.54 ms. Allocated memory is still 226.5 MB. Free memory was 113.1 MB in the beginning and 98.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:46:28,586 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 107.0 MB. Free memory is still 64.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 734.78 ms. Allocated memory is still 107.0 MB. Free memory was 76.2 MB in the beginning and 66.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.98 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 60.4 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.26 ms. Allocated memory is still 107.0 MB. Free memory was 60.4 MB in the beginning and 56.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1580.03 ms. Allocated memory was 107.0 MB in the beginning and 134.2 MB in the end (delta: 27.3 MB). Free memory was 56.2 MB in the beginning and 95.4 MB in the end (delta: -39.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7712.60 ms. Allocated memory was 134.2 MB in the beginning and 226.5 MB in the end (delta: 92.3 MB). Free memory was 95.4 MB in the beginning and 113.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 74.2 MB. Max. memory is 16.1 GB. * Witness Printer took 156.54 ms. Allocated memory is still 226.5 MB. Free memory was 113.1 MB in the beginning and 98.5 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 593]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7610.4ms, OverallIterations: 7, TraceHistogramMax: 4, EmptinessCheckTime: 60.4ms, AutomataDifference: 4524.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 114.0ms, InitialAbstractionConstructionTime: 21.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 875 SDtfs, 847 SDslu, 154 SDs, 0 SdLazy, 2906 SolverSat, 557 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3081.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 51.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2702occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 402.8ms AutomataMinimizationTime, 7 MinimizatonAttempts, 14 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 55 NumberOfFragments, 77 HoareAnnotationTreeSize, 3 FomulaSimplifications, 562 FormulaSimplificationTreeSizeReduction, 52.8ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 52.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 109.3ms SsaConstructionTime, 314.7ms SatisfiabilityAnalysisTime, 1509.2ms InterpolantComputationTime, 1272 NumberOfCodeBlocks, 1272 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1264 ConstructedInterpolants, 0 QuantifiedInterpolants, 5304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 307 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 207/223 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: 616]: Loop Invariant Derived loop invariant: ((((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) || (a11 == 0 && a25 <= 0)) || a17 <= 7) || (a25 == 1 && a28 <= 10)) || (a28 <= 10 && a25 <= 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((a17 == 8 && a25 == 1) && a21 == 1) && a19 == 1) || (a11 == 0 && a25 <= 0)) || a17 <= 7) || (a25 == 1 && a28 <= 10)) || (a28 <= 10 && a25 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-13 00:46:28,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c97e0c3-815e-4f99-92d3-806a402bdf37/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...