./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c8d330fcf7e017e6b51632eb7a9f8f167fb4f3e932700b6ef82da7b1572a2f0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:07:59,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:07:59,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:07:59,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:07:59,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:07:59,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:07:59,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:07:59,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:07:59,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:07:59,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:07:59,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:07:59,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:07:59,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:07:59,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:07:59,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:07:59,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:07:59,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:07:59,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:07:59,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:07:59,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:07:59,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:07:59,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:07:59,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:07:59,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:07:59,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:07:59,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:07:59,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:07:59,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:07:59,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:07:59,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:07:59,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:08:00,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:08:00,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:08:00,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:08:00,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:08:00,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:08:00,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:08:00,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:08:00,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:08:00,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:08:00,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:08:00,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-23 03:08:00,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:08:00,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:08:00,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:08:00,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:08:00,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:08:00,052 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:08:00,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:08:00,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:08:00,053 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:08:00,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:08:00,054 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:08:00,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:08:00,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:08:00,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:08:00,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:08:00,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:08:00,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:08:00,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:08:00,056 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 03:08:00,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:08:00,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:08:00,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:08:00,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:08:00,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:08:00,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:08:00,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:08:00,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:08:00,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:08:00,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:08:00,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:08:00,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:08:00,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:08:00,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:08:00,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:08:00,060 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:08:00,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:08:00,060 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c8d330fcf7e017e6b51632eb7a9f8f167fb4f3e932700b6ef82da7b1572a2f0 [2022-11-23 03:08:00,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:08:00,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:08:00,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:08:00,453 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:08:00,453 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:08:00,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c [2022-11-23 03:08:03,705 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:08:03,900 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:08:03,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/sv-benchmarks/c/array-multidimensional/max-3-n-u.c [2022-11-23 03:08:03,908 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/data/05b8cc322/f32f333e11134530a3738c08188b0c9a/FLAGd6d3d661e [2022-11-23 03:08:03,925 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/data/05b8cc322/f32f333e11134530a3738c08188b0c9a [2022-11-23 03:08:03,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:08:03,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:08:03,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:08:03,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:08:03,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:08:03,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:03" (1/1) ... [2022-11-23 03:08:03,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a220d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:03, skipping insertion in model container [2022-11-23 03:08:03,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:08:03" (1/1) ... [2022-11-23 03:08:03,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:08:03,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:08:04,124 WARN L237 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_c55c359d-bd38-432a-be2a-0156cda6f6db/sv-benchmarks/c/array-multidimensional/max-3-n-u.c[321,334] [2022-11-23 03:08:04,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:08:04,170 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:08:04,181 WARN L237 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_c55c359d-bd38-432a-be2a-0156cda6f6db/sv-benchmarks/c/array-multidimensional/max-3-n-u.c[321,334] [2022-11-23 03:08:04,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:08:04,208 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:08:04,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04 WrapperNode [2022-11-23 03:08:04,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:08:04,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:08:04,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:08:04,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:08:04,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,250 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 127 [2022-11-23 03:08:04,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:08:04,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:08:04,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:08:04,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:08:04,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,287 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:08:04,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:08:04,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:08:04,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:08:04,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (1/1) ... [2022-11-23 03:08:04,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:08:04,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:04,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:08:04,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:08:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:08:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:08:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:08:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:08:04,460 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:08:04,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:08:04,714 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:08:04,721 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:08:04,722 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-23 03:08:04,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:04 BoogieIcfgContainer [2022-11-23 03:08:04,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:08:04,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:08:04,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:08:04,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:08:04,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:08:03" (1/3) ... [2022-11-23 03:08:04,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e4c7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:04, skipping insertion in model container [2022-11-23 03:08:04,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:04" (2/3) ... [2022-11-23 03:08:04,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50e4c7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:08:04, skipping insertion in model container [2022-11-23 03:08:04,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:04" (3/3) ... [2022-11-23 03:08:04,734 INFO L112 eAbstractionObserver]: Analyzing ICFG max-3-n-u.c [2022-11-23 03:08:04,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:08:04,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-23 03:08:04,854 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:08:04,862 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a9b2bcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:08:04,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2022-11-23 03:08:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 38 states have (on average 2.0) internal successors, (76), 56 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:04,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 03:08:04,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:04,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 03:08:04,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:04,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:04,882 INFO L85 PathProgramCache]: Analyzing trace with hash 28699906, now seen corresponding path program 1 times [2022-11-23 03:08:04,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:04,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309578016] [2022-11-23 03:08:04,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:04,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:04,996 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:04,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1785454337] [2022-11-23 03:08:04,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:04,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:04,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:05,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:05,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 03:08:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:05,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:08:05,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:08:05,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:08:05,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:05,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309578016] [2022-11-23 03:08:05,189 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:05,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1785454337] [2022-11-23 03:08:05,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1785454337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:08:05,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:08:05,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:08:05,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317504361] [2022-11-23 03:08:05,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:08:05,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:08:05,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:05,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:08:05,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:05,251 INFO L87 Difference]: Start difference. First operand has 57 states, 38 states have (on average 2.0) internal successors, (76), 56 states have internal predecessors, (76), 0 states have call successors, (0), 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, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:05,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:05,338 INFO L93 Difference]: Finished difference Result 109 states and 150 transitions. [2022-11-23 03:08:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:08:05,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-11-23 03:08:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:05,354 INFO L225 Difference]: With dead ends: 109 [2022-11-23 03:08:05,354 INFO L226 Difference]: Without dead ends: 49 [2022-11-23 03:08:05,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:05,361 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 54 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:05,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 45 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:08:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-23 03:08:05,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-23 03:08:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.7058823529411764) internal successors, (58), 48 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:05,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 58 transitions. [2022-11-23 03:08:05,404 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 58 transitions. Word has length 5 [2022-11-23 03:08:05,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:05,405 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 58 transitions. [2022-11-23 03:08:05,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-11-23 03:08:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 03:08:05,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:05,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:08:05,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:05,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 03:08:05,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:05,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash 889697163, now seen corresponding path program 1 times [2022-11-23 03:08:05,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:05,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313886378] [2022-11-23 03:08:05,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:05,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:05,628 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:05,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618612119] [2022-11-23 03:08:05,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:05,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:05,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:05,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:05,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 03:08:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:05,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:08:05,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:08:05,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:08:05,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:05,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313886378] [2022-11-23 03:08:05,752 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:05,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618612119] [2022-11-23 03:08:05,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618612119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:08:05,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:08:05,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:08:05,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82152629] [2022-11-23 03:08:05,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:08:05,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:08:05,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:05,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:08:05,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:05,761 INFO L87 Difference]: Start difference. First operand 49 states and 58 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:05,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:05,891 INFO L93 Difference]: Finished difference Result 96 states and 114 transitions. [2022-11-23 03:08:05,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:08:05,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-11-23 03:08:05,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:05,895 INFO L225 Difference]: With dead ends: 96 [2022-11-23 03:08:05,895 INFO L226 Difference]: Without dead ends: 93 [2022-11-23 03:08:05,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:05,897 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 45 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:05,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 80 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:08:05,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-23 03:08:05,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 79. [2022-11-23 03:08:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 64 states have (on average 1.703125) internal successors, (109), 78 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions. [2022-11-23 03:08:05,925 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 6 [2022-11-23 03:08:05,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:05,928 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 109 transitions. [2022-11-23 03:08:05,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2022-11-23 03:08:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 03:08:05,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:05,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:08:05,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:06,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:06,137 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:06,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:06,139 INFO L85 PathProgramCache]: Analyzing trace with hash 889698518, now seen corresponding path program 1 times [2022-11-23 03:08:06,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:06,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224429735] [2022-11-23 03:08:06,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:06,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:06,153 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:06,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1278633390] [2022-11-23 03:08:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:06,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:06,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:06,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:06,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 03:08:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:06,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:08:06,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:08:06,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:08:06,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:06,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224429735] [2022-11-23 03:08:06,263 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:06,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278633390] [2022-11-23 03:08:06,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278633390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:08:06,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:08:06,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:08:06,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866521930] [2022-11-23 03:08:06,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:08:06,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:08:06,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:06,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:08:06,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:06,266 INFO L87 Difference]: Start difference. First operand 79 states and 109 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:06,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:06,352 INFO L93 Difference]: Finished difference Result 79 states and 109 transitions. [2022-11-23 03:08:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:08:06,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-11-23 03:08:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:06,354 INFO L225 Difference]: With dead ends: 79 [2022-11-23 03:08:06,355 INFO L226 Difference]: Without dead ends: 76 [2022-11-23 03:08:06,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:06,356 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 43 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:06,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 37 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:08:06,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-23 03:08:06,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-23 03:08:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 64 states have (on average 1.609375) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2022-11-23 03:08:06,377 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 6 [2022-11-23 03:08:06,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:06,378 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2022-11-23 03:08:06,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2022-11-23 03:08:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 03:08:06,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:06,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 03:08:06,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:06,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:06,590 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:06,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:06,591 INFO L85 PathProgramCache]: Analyzing trace with hash 889698573, now seen corresponding path program 1 times [2022-11-23 03:08:06,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:06,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558212956] [2022-11-23 03:08:06,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:06,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:06,609 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:06,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2087183095] [2022-11-23 03:08:06,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:06,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:06,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:06,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:06,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 03:08:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:06,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:08:06,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:08:06,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:08:06,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:06,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558212956] [2022-11-23 03:08:06,677 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:06,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087183095] [2022-11-23 03:08:06,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087183095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:08:06,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:08:06,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:08:06,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741458869] [2022-11-23 03:08:06,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:08:06,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:08:06,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:06,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:08:06,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:06,680 INFO L87 Difference]: Start difference. First operand 76 states and 103 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:06,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:06,745 INFO L93 Difference]: Finished difference Result 76 states and 103 transitions. [2022-11-23 03:08:06,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:08:06,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-11-23 03:08:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:06,752 INFO L225 Difference]: With dead ends: 76 [2022-11-23 03:08:06,753 INFO L226 Difference]: Without dead ends: 73 [2022-11-23 03:08:06,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:06,761 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 38 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:06,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 37 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:08:06,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-23 03:08:06,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-23 03:08:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 64 states have (on average 1.515625) internal successors, (97), 72 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2022-11-23 03:08:06,782 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 6 [2022-11-23 03:08:06,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:06,782 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2022-11-23 03:08:06,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2022-11-23 03:08:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 03:08:06,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:06,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:08:06,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:06,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:06,993 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:06,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:06,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1810850352, now seen corresponding path program 1 times [2022-11-23 03:08:06,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:06,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820700545] [2022-11-23 03:08:06,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:06,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:07,006 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:07,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444476844] [2022-11-23 03:08:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:07,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:07,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:07,019 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:07,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 03:08:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:07,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:08:07,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:08:07,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:08:07,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:07,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820700545] [2022-11-23 03:08:07,097 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:07,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444476844] [2022-11-23 03:08:07,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444476844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:08:07,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:08:07,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:08:07,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828960806] [2022-11-23 03:08:07,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:08:07,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:08:07,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:07,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:08:07,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:07,100 INFO L87 Difference]: Start difference. First operand 73 states and 97 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:07,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:07,203 INFO L93 Difference]: Finished difference Result 141 states and 187 transitions. [2022-11-23 03:08:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:08:07,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-11-23 03:08:07,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:07,206 INFO L225 Difference]: With dead ends: 141 [2022-11-23 03:08:07,206 INFO L226 Difference]: Without dead ends: 138 [2022-11-23 03:08:07,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:07,208 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 36 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:07,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 63 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:08:07,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2022-11-23 03:08:07,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 115. [2022-11-23 03:08:07,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 106 states have (on average 1.5) internal successors, (159), 114 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 159 transitions. [2022-11-23 03:08:07,224 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 159 transitions. Word has length 7 [2022-11-23 03:08:07,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:07,225 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 159 transitions. [2022-11-23 03:08:07,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:07,225 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2022-11-23 03:08:07,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 03:08:07,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:07,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:08:07,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-23 03:08:07,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:07,432 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:07,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:07,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1810852050, now seen corresponding path program 1 times [2022-11-23 03:08:07,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:07,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712176394] [2022-11-23 03:08:07,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:07,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:07,450 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:07,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125256951] [2022-11-23 03:08:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:07,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:07,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:07,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:07,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 03:08:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:07,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 03:08:07,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:08:07,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:08:07,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:07,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712176394] [2022-11-23 03:08:07,527 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:07,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125256951] [2022-11-23 03:08:07,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125256951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:08:07,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:08:07,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:08:07,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751138871] [2022-11-23 03:08:07,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:08:07,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:08:07,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:07,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:08:07,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:07,529 INFO L87 Difference]: Start difference. First operand 115 states and 159 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:07,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:07,607 INFO L93 Difference]: Finished difference Result 219 states and 299 transitions. [2022-11-23 03:08:07,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:08:07,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 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 7 [2022-11-23 03:08:07,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:07,610 INFO L225 Difference]: With dead ends: 219 [2022-11-23 03:08:07,610 INFO L226 Difference]: Without dead ends: 216 [2022-11-23 03:08:07,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:08:07,611 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 34 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:07,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 66 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:08:07,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2022-11-23 03:08:07,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 163. [2022-11-23 03:08:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 154 states have (on average 1.448051948051948) internal successors, (223), 162 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 223 transitions. [2022-11-23 03:08:07,633 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 223 transitions. Word has length 7 [2022-11-23 03:08:07,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:07,633 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 223 transitions. [2022-11-23 03:08:07,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:07,634 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 223 transitions. [2022-11-23 03:08:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 03:08:07,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:07,635 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-11-23 03:08:07,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:07,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:07,848 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:07,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:07,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1001412308, now seen corresponding path program 1 times [2022-11-23 03:08:07,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:07,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794931978] [2022-11-23 03:08:07,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:07,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:07,861 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:07,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604309107] [2022-11-23 03:08:07,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:07,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:07,863 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:07,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 03:08:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:07,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:08:07,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 03:08:07,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:08:07,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:07,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794931978] [2022-11-23 03:08:07,963 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:07,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604309107] [2022-11-23 03:08:07,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604309107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:08:07,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:08:07,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:08:07,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170501466] [2022-11-23 03:08:07,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:08:07,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:08:07,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:07,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:08:07,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:08:07,965 INFO L87 Difference]: Start difference. First operand 163 states and 223 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:08,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:08,046 INFO L93 Difference]: Finished difference Result 310 states and 417 transitions. [2022-11-23 03:08:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:08:08,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 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 10 [2022-11-23 03:08:08,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:08,048 INFO L225 Difference]: With dead ends: 310 [2022-11-23 03:08:08,048 INFO L226 Difference]: Without dead ends: 168 [2022-11-23 03:08:08,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:08:08,050 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 77 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:08,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 64 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:08:08,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-11-23 03:08:08,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 163. [2022-11-23 03:08:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 154 states have (on average 1.4090909090909092) internal successors, (217), 162 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 217 transitions. [2022-11-23 03:08:08,071 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 217 transitions. Word has length 10 [2022-11-23 03:08:08,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:08,072 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 217 transitions. [2022-11-23 03:08:08,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:08,072 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2022-11-23 03:08:08,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 03:08:08,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:08,073 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-23 03:08:08,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:08,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:08,279 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:08,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:08,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1990724853, now seen corresponding path program 1 times [2022-11-23 03:08:08,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:08,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893213846] [2022-11-23 03:08:08,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:08,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:08,297 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:08,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644654140] [2022-11-23 03:08:08,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:08,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:08,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:08,304 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:08,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 03:08:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:08,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:08:08,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:08:08,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:08:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:08:08,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:08,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893213846] [2022-11-23 03:08:08,431 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:08,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644654140] [2022-11-23 03:08:08,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644654140] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:08:08,431 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:08:08,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-23 03:08:08,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190386379] [2022-11-23 03:08:08,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:08:08,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:08:08,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:08,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:08:08,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:08:08,435 INFO L87 Difference]: Start difference. First operand 163 states and 217 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:08,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:08,710 INFO L93 Difference]: Finished difference Result 522 states and 701 transitions. [2022-11-23 03:08:08,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:08:08,711 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 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 10 [2022-11-23 03:08:08,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:08,714 INFO L225 Difference]: With dead ends: 522 [2022-11-23 03:08:08,714 INFO L226 Difference]: Without dead ends: 519 [2022-11-23 03:08:08,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:08:08,716 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 340 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:08,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 144 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 03:08:08,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-11-23 03:08:08,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 307. [2022-11-23 03:08:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 298 states have (on average 1.3724832214765101) internal successors, (409), 306 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 409 transitions. [2022-11-23 03:08:08,753 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 409 transitions. Word has length 10 [2022-11-23 03:08:08,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:08,753 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 409 transitions. [2022-11-23 03:08:08,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 409 transitions. [2022-11-23 03:08:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 03:08:08,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:08,758 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-11-23 03:08:08,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-23 03:08:08,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 03:08:08,964 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:08,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:08,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1143628601, now seen corresponding path program 1 times [2022-11-23 03:08:08,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:08,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316549041] [2022-11-23 03:08:08,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:08,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:08,972 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:08,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959688266] [2022-11-23 03:08:08,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:08,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:08,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:08,974 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:08,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 03:08:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:09,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:08:09,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 03:08:09,063 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:08:09,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:09,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316549041] [2022-11-23 03:08:09,064 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:09,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959688266] [2022-11-23 03:08:09,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959688266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:08:09,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:08:09,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:08:09,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000242890] [2022-11-23 03:08:09,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:08:09,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 03:08:09,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:09,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 03:08:09,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:08:09,070 INFO L87 Difference]: Start difference. First operand 307 states and 409 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:09,172 INFO L93 Difference]: Finished difference Result 597 states and 794 transitions. [2022-11-23 03:08:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:08:09,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 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 11 [2022-11-23 03:08:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:09,178 INFO L225 Difference]: With dead ends: 597 [2022-11-23 03:08:09,178 INFO L226 Difference]: Without dead ends: 309 [2022-11-23 03:08:09,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 03:08:09,183 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 59 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:09,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 67 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:08:09,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-23 03:08:09,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2022-11-23 03:08:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 298 states have (on average 1.332214765100671) internal successors, (397), 306 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:09,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 397 transitions. [2022-11-23 03:08:09,212 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 397 transitions. Word has length 11 [2022-11-23 03:08:09,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:09,212 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 397 transitions. [2022-11-23 03:08:09,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 397 transitions. [2022-11-23 03:08:09,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 03:08:09,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:09,214 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-23 03:08:09,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:09,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:09,420 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:09,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2069850521, now seen corresponding path program 1 times [2022-11-23 03:08:09,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:09,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908500710] [2022-11-23 03:08:09,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:09,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:09,438 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:09,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386825496] [2022-11-23 03:08:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:09,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:09,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:09,441 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:09,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 03:08:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:09,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 03:08:09,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:08:09,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:08:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:08:09,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:09,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908500710] [2022-11-23 03:08:09,579 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:09,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386825496] [2022-11-23 03:08:09,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386825496] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:08:09,580 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:08:09,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-23 03:08:09,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971622996] [2022-11-23 03:08:09,580 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:08:09,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 03:08:09,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:09,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 03:08:09,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:08:09,582 INFO L87 Difference]: Start difference. First operand 307 states and 397 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:09,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:09,760 INFO L93 Difference]: Finished difference Result 597 states and 771 transitions. [2022-11-23 03:08:09,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:08:09,761 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 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 17 [2022-11-23 03:08:09,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:09,762 INFO L225 Difference]: With dead ends: 597 [2022-11-23 03:08:09,763 INFO L226 Difference]: Without dead ends: 309 [2022-11-23 03:08:09,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:08:09,765 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 187 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:09,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 94 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:08:09,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-23 03:08:09,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2022-11-23 03:08:09,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 298 states have (on average 1.2114093959731544) internal successors, (361), 306 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 361 transitions. [2022-11-23 03:08:09,792 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 361 transitions. Word has length 17 [2022-11-23 03:08:09,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:09,793 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 361 transitions. [2022-11-23 03:08:09,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:09,793 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 361 transitions. [2022-11-23 03:08:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 03:08:09,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:09,794 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2022-11-23 03:08:09,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:10,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 03:08:10,001 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:10,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:10,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1756482670, now seen corresponding path program 2 times [2022-11-23 03:08:10,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:10,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518682784] [2022-11-23 03:08:10,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:10,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:10,012 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:10,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [315557197] [2022-11-23 03:08:10,012 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 03:08:10,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:10,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:10,014 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:10,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 03:08:10,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 03:08:10,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:08:10,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:08:10,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 03:08:10,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:08:10,196 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 03:08:10,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:10,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518682784] [2022-11-23 03:08:10,197 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:10,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315557197] [2022-11-23 03:08:10,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315557197] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:08:10,197 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:08:10,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-23 03:08:10,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686028001] [2022-11-23 03:08:10,198 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:08:10,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:08:10,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:10,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:08:10,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:08:10,199 INFO L87 Difference]: Start difference. First operand 307 states and 361 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:10,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:10,282 INFO L93 Difference]: Finished difference Result 309 states and 363 transitions. [2022-11-23 03:08:10,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:08:10,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-11-23 03:08:10,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:10,284 INFO L225 Difference]: With dead ends: 309 [2022-11-23 03:08:10,284 INFO L226 Difference]: Without dead ends: 306 [2022-11-23 03:08:10,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:08:10,285 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 140 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:10,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 62 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:08:10,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-11-23 03:08:10,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 268. [2022-11-23 03:08:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 262 states have (on average 1.1793893129770991) internal successors, (309), 267 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:10,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 309 transitions. [2022-11-23 03:08:10,309 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 309 transitions. Word has length 19 [2022-11-23 03:08:10,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:10,310 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 309 transitions. [2022-11-23 03:08:10,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:10,310 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 309 transitions. [2022-11-23 03:08:10,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 03:08:10,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:10,311 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-23 03:08:10,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:10,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:10,520 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:10,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:10,520 INFO L85 PathProgramCache]: Analyzing trace with hash 211563321, now seen corresponding path program 2 times [2022-11-23 03:08:10,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:10,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059181664] [2022-11-23 03:08:10,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:10,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:10,534 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:10,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533498890] [2022-11-23 03:08:10,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 03:08:10,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:10,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:10,536 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:10,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 03:08:10,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 03:08:10,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:08:10,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:08:10,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:10,682 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-23 03:08:10,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:08:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-23 03:08:10,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:10,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059181664] [2022-11-23 03:08:10,748 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:10,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533498890] [2022-11-23 03:08:10,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533498890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:08:10,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:08:10,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-23 03:08:10,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106450680] [2022-11-23 03:08:10,749 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:08:10,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:08:10,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:10,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:08:10,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:08:10,751 INFO L87 Difference]: Start difference. First operand 268 states and 309 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:10,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:10,825 INFO L93 Difference]: Finished difference Result 270 states and 311 transitions. [2022-11-23 03:08:10,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:08:10,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 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 35 [2022-11-23 03:08:10,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:10,827 INFO L225 Difference]: With dead ends: 270 [2022-11-23 03:08:10,827 INFO L226 Difference]: Without dead ends: 267 [2022-11-23 03:08:10,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:08:10,828 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 76 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:10,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 45 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:08:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-11-23 03:08:10,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 151. [2022-11-23 03:08:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 148 states have (on average 1.1824324324324325) internal successors, (175), 150 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2022-11-23 03:08:10,849 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 35 [2022-11-23 03:08:10,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:10,851 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2022-11-23 03:08:10,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2022-11-23 03:08:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 03:08:10,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:10,853 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-23 03:08:10,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:11,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:11,059 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:11,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:11,059 INFO L85 PathProgramCache]: Analyzing trace with hash -284679806, now seen corresponding path program 1 times [2022-11-23 03:08:11,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:11,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62358587] [2022-11-23 03:08:11,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:11,074 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:11,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013997624] [2022-11-23 03:08:11,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:11,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:11,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:11,076 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:11,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-23 03:08:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:08:11,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 03:08:11,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-23 03:08:11,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:08:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-23 03:08:11,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:11,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62358587] [2022-11-23 03:08:11,404 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:11,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013997624] [2022-11-23 03:08:11,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013997624] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:08:11,404 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:08:11,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-23 03:08:11,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933622611] [2022-11-23 03:08:11,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:08:11,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-23 03:08:11,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:11,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-23 03:08:11,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-11-23 03:08:11,406 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:11,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:11,800 INFO L93 Difference]: Finished difference Result 444 states and 539 transitions. [2022-11-23 03:08:11,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 03:08:11,801 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 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 42 [2022-11-23 03:08:11,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:11,803 INFO L225 Difference]: With dead ends: 444 [2022-11-23 03:08:11,803 INFO L226 Difference]: Without dead ends: 297 [2022-11-23 03:08:11,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2022-11-23 03:08:11,805 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 258 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:11,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 146 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 03:08:11,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-11-23 03:08:11,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 295. [2022-11-23 03:08:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 292 states have (on average 1.1335616438356164) internal successors, (331), 294 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 331 transitions. [2022-11-23 03:08:11,852 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 331 transitions. Word has length 42 [2022-11-23 03:08:11,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:11,852 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 331 transitions. [2022-11-23 03:08:11,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 331 transitions. [2022-11-23 03:08:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-23 03:08:11,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:08:11,854 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-23 03:08:11,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:12,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 03:08:12,061 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2022-11-23 03:08:12,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:08:12,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1470697150, now seen corresponding path program 2 times [2022-11-23 03:08:12,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:08:12,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180204556] [2022-11-23 03:08:12,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:08:12,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:08:12,090 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 03:08:12,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63309670] [2022-11-23 03:08:12,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 03:08:12,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:08:12,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:08:12,092 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:08:12,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-23 03:08:12,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-23 03:08:12,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 03:08:12,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 03:08:12,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:08:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-11-23 03:08:12,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 03:08:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-11-23 03:08:12,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:08:12,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180204556] [2022-11-23 03:08:12,455 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 03:08:12,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63309670] [2022-11-23 03:08:12,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63309670] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 03:08:12,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 03:08:12,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-11-23 03:08:12,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130567219] [2022-11-23 03:08:12,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 03:08:12,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:08:12,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:08:12,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:08:12,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:08:12,459 INFO L87 Difference]: Start difference. First operand 295 states and 331 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:12,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:08:12,539 INFO L93 Difference]: Finished difference Result 297 states and 333 transitions. [2022-11-23 03:08:12,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:08:12,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 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 78 [2022-11-23 03:08:12,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:08:12,540 INFO L225 Difference]: With dead ends: 297 [2022-11-23 03:08:12,540 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 03:08:12,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:08:12,541 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 92 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:08:12,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 31 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:08:12,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 03:08:12,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 03:08:12,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:12,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 03:08:12,543 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2022-11-23 03:08:12,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:08:12,543 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:08:12,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:08:12,544 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:08:12,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 03:08:12,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2022-11-23 03:08:12,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2022-11-23 03:08:12,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2022-11-23 03:08:12,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2022-11-23 03:08:12,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2022-11-23 03:08:12,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2022-11-23 03:08:12,548 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2022-11-23 03:08:12,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2022-11-23 03:08:12,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2022-11-23 03:08:12,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2022-11-23 03:08:12,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2022-11-23 03:08:12,549 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2022-11-23 03:08:12,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2022-11-23 03:08:12,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2022-11-23 03:08:12,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2022-11-23 03:08:12,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2022-11-23 03:08:12,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2022-11-23 03:08:12,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2022-11-23 03:08:12,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-23 03:08:12,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-23 03:08:12,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 03:08:14,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-23 03:08:14,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-11-23 03:08:14,804 INFO L899 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2022-11-23 03:08:14,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-23 03:08:14,804 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-23 03:08:14,805 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 69 76) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-23 03:08:14,805 INFO L899 garLoopResultBuilder]: For program point L69-3(lines 69 76) no Hoare annotation was computed. [2022-11-23 03:08:14,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-23 03:08:14,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 03:08:14,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 03:08:14,806 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 35) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-23 03:08:14,806 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 35) no Hoare annotation was computed. [2022-11-23 03:08:14,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2022-11-23 03:08:14,806 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-23 03:08:14,806 INFO L895 garLoopResultBuilder]: At program point L45-2(lines 45 58) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-23 03:08:14,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-23 03:08:14,807 INFO L899 garLoopResultBuilder]: For program point L45-3(lines 45 58) no Hoare annotation was computed. [2022-11-23 03:08:14,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-23 03:08:14,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2022-11-23 03:08:14,807 INFO L895 garLoopResultBuilder]: At program point L79(lines 13 80) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~i~0#1|) [2022-11-23 03:08:14,808 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-23 03:08:14,808 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 74) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-11-23 03:08:14,808 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 74) no Hoare annotation was computed. [2022-11-23 03:08:14,808 INFO L895 garLoopResultBuilder]: At program point L30-2(lines 30 33) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-11-23 03:08:14,808 INFO L899 garLoopResultBuilder]: For program point L30-3(lines 30 33) no Hoare annotation was computed. [2022-11-23 03:08:14,809 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-23 03:08:14,809 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-23 03:08:14,809 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2022-11-23 03:08:14,809 INFO L895 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 1799) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-11-23 03:08:14,809 INFO L895 garLoopResultBuilder]: At program point L48-2(lines 48 56) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-23 03:08:14,810 INFO L899 garLoopResultBuilder]: For program point L48-3(lines 48 56) no Hoare annotation was computed. [2022-11-23 03:08:14,810 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-23 03:08:14,810 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-23 03:08:14,810 INFO L899 garLoopResultBuilder]: For program point L73-1(line 73) no Hoare annotation was computed. [2022-11-23 03:08:14,810 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2022-11-23 03:08:14,811 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-23 03:08:14,811 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 03:08:14,811 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-23 03:08:14,811 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-23 03:08:14,811 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2022-11-23 03:08:14,811 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 73) no Hoare annotation was computed. [2022-11-23 03:08:14,811 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 03:08:14,812 INFO L895 garLoopResultBuilder]: At program point L66-2(lines 66 78) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-23 03:08:14,812 INFO L899 garLoopResultBuilder]: For program point L66-3(lines 66 78) no Hoare annotation was computed. [2022-11-23 03:08:14,812 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-23 03:08:14,812 INFO L895 garLoopResultBuilder]: At program point L25-2(lines 25 37) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646)) [2022-11-23 03:08:14,812 INFO L899 garLoopResultBuilder]: For program point L25-3(lines 25 37) no Hoare annotation was computed. [2022-11-23 03:08:14,813 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 73) no Hoare annotation was computed. [2022-11-23 03:08:14,813 INFO L895 garLoopResultBuilder]: At program point L50-2(lines 50 54) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~n~0#1|) (<= 1800 |ULTIMATE.start_main_~p~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~p~0#1| 1800) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2022-11-23 03:08:14,813 INFO L899 garLoopResultBuilder]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2022-11-23 03:08:14,813 INFO L899 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2022-11-23 03:08:14,813 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-23 03:08:14,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-23 03:08:14,814 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2022-11-23 03:08:14,814 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 52) no Hoare annotation was computed. [2022-11-23 03:08:14,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 75) no Hoare annotation was computed. [2022-11-23 03:08:14,814 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-23 03:08:14,818 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:08:14,820 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:08:14,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:08:14 BoogieIcfgContainer [2022-11-23 03:08:14,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:08:14,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:08:14,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:08:14,842 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:08:14,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:08:04" (3/4) ... [2022-11-23 03:08:14,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:08:14,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-23 03:08:14,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 03:08:14,859 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 03:08:14,859 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:08:14,899 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:08:14,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:08:14,900 INFO L158 Benchmark]: Toolchain (without parser) took 10970.24ms. Allocated memory was 186.6MB in the beginning and 247.5MB in the end (delta: 60.8MB). Free memory was 141.9MB in the beginning and 192.8MB in the end (delta: -51.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-23 03:08:14,900 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:08:14,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.68ms. Allocated memory is still 186.6MB. Free memory was 141.7MB in the beginning and 130.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 03:08:14,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.98ms. Allocated memory is still 186.6MB. Free memory was 130.6MB in the beginning and 128.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:08:14,901 INFO L158 Benchmark]: Boogie Preprocessor took 39.73ms. Allocated memory is still 186.6MB. Free memory was 128.5MB in the beginning and 127.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:08:14,902 INFO L158 Benchmark]: RCFGBuilder took 432.10ms. Allocated memory is still 186.6MB. Free memory was 127.2MB in the beginning and 113.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:08:14,902 INFO L158 Benchmark]: TraceAbstraction took 10114.28ms. Allocated memory was 186.6MB in the beginning and 247.5MB in the end (delta: 60.8MB). Free memory was 112.5MB in the beginning and 196.0MB in the end (delta: -83.5MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2022-11-23 03:08:14,903 INFO L158 Benchmark]: Witness Printer took 58.12ms. Allocated memory is still 247.5MB. Free memory was 196.0MB in the beginning and 192.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:08:14,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.68ms. Allocated memory is still 186.6MB. Free memory was 141.7MB in the beginning and 130.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.98ms. Allocated memory is still 186.6MB. Free memory was 130.6MB in the beginning and 128.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.73ms. Allocated memory is still 186.6MB. Free memory was 128.5MB in the beginning and 127.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.10ms. Allocated memory is still 186.6MB. Free memory was 127.2MB in the beginning and 113.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10114.28ms. Allocated memory was 186.6MB in the beginning and 247.5MB in the end (delta: 60.8MB). Free memory was 112.5MB in the beginning and 196.0MB in the end (delta: -83.5MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * Witness Printer took 58.12ms. Allocated memory is still 247.5MB. Free memory was 196.0MB in the beginning and 192.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 73]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 75]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 14, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1479 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1479 mSDsluCounter, 981 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 470 mSDsCounter, 462 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 523 IncrementalHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 462 mSolverCounterUnsat, 511 mSDtfsCounter, 523 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=307occurred in iteration=8, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 467 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 116 NumberOfFragments, 343 HoareAnnotationTreeSize, 11 FomulaSimplifications, 1398 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 11 FomulaSimplificationsInter, 8585 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 259 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 1206 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1019 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 928/1772 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 18 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 1799) && j <= 1499 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 1499 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= i - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && 1800 <= p) && i <= 999) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((((0 <= k && m <= 1000) && 1500 <= n) && i <= 2147483646) && 1800 <= p) && 0 <= j) && 0 <= i) && n <= 1500) && p <= 1800) && k <= 2147483646) && j <= 2147483646 RESULT: Ultimate proved your program to be correct! [2022-11-23 03:08:14,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55c359d-bd38-432a-be2a-0156cda6f6db/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE