./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro --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 fb960067570884de0638f14e8f74b0912d9ff4ed83f9c3c33e6cd3e420d05661 --- 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-8393723 [2022-11-18 18:42:47,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:42:47,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:42:47,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:42:47,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:42:47,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:42:47,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:42:47,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:42:47,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:42:47,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:42:47,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:42:47,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:42:47,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:42:47,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:42:47,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:42:47,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:42:47,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:42:47,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:42:47,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:42:47,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:42:47,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:42:47,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:42:47,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:42:47,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:42:47,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:42:47,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:42:47,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:42:47,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:42:47,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:42:47,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:42:47,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:42:47,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:42:47,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:42:47,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:42:47,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:42:47,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:42:47,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:42:47,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:42:47,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:42:47,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:42:47,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:42:47,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 18:42:47,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:42:47,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:42:47,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:42:47,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:42:47,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:42:47,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:42:47,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:42:47,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:42:47,327 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:42:47,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:42:47,327 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:42:47,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:42:47,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:42:47,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:42:47,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:42:47,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:42:47,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:42:47,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:42:47,329 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 18:42:47,329 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:42:47,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:42:47,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:42:47,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:42:47,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:42:47,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:42:47,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:42:47,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:42:47,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:42:47,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:42:47,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:42:47,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:42:47,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:42:47,332 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:42:47,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:42:47,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:42:47,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb960067570884de0638f14e8f74b0912d9ff4ed83f9c3c33e6cd3e420d05661 [2022-11-18 18:42:47,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:42:47,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:42:47,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:42:47,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:42:47,697 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:42:47,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i [2022-11-18 18:42:47,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/data/7d4a9501c/ad3ea8d94f5b4b5f9090470aa49627c1/FLAGdb90090c7 [2022-11-18 18:42:48,279 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:42:48,280 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i [2022-11-18 18:42:48,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/data/7d4a9501c/ad3ea8d94f5b4b5f9090470aa49627c1/FLAGdb90090c7 [2022-11-18 18:42:48,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/data/7d4a9501c/ad3ea8d94f5b4b5f9090470aa49627c1 [2022-11-18 18:42:48,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:42:48,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:42:48,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:42:48,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:42:48,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:42:48,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:48" (1/1) ... [2022-11-18 18:42:48,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eac6284 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:48, skipping insertion in model container [2022-11-18 18:42:48,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:42:48" (1/1) ... [2022-11-18 18:42:48,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:42:48,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:42:48,988 WARN L234 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_6700a345-4c73-4baa-a17d-6166ec83cc80/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i[814,827] [2022-11-18 18:42:49,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:42:49,011 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:42:49,029 WARN L234 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_6700a345-4c73-4baa-a17d-6166ec83cc80/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i[814,827] [2022-11-18 18:42:49,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:42:49,061 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:42:49,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49 WrapperNode [2022-11-18 18:42:49,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:42:49,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:42:49,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:42:49,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:42:49,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,101 INFO L138 Inliner]: procedures = 15, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2022-11-18 18:42:49,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:42:49,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:42:49,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:42:49,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:42:49,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,125 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:42:49,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:42:49,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:42:49,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:42:49,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (1/1) ... [2022-11-18 18:42:49,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:42:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:42:49,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:42:49,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:42:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:42:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:42:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:42:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:42:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:42:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:42:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:42:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:42:49,317 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:42:49,319 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:42:49,476 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:42:49,484 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:42:49,484 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 18:42:49,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:49 BoogieIcfgContainer [2022-11-18 18:42:49,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:42:49,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:42:49,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:42:49,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:42:49,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:42:48" (1/3) ... [2022-11-18 18:42:49,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315daeec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:42:49, skipping insertion in model container [2022-11-18 18:42:49,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:42:49" (2/3) ... [2022-11-18 18:42:49,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@315daeec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:42:49, skipping insertion in model container [2022-11-18 18:42:49,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:49" (3/3) ... [2022-11-18 18:42:49,498 INFO L112 eAbstractionObserver]: Analyzing ICFG array_assert_loop_dep.i [2022-11-18 18:42:49,523 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:42:49,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-18 18:42:49,586 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:42:49,595 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;@1652e710, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:42:49,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-18 18:42:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:49,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 18:42:49,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:49,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 18:42:49,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:42:49,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2022-11-18 18:42:49,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:49,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823770184] [2022-11-18 18:42:49,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:49,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:49,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:42:49,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:49,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823770184] [2022-11-18 18:42:49,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823770184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:49,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:49,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:42:49,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859107369] [2022-11-18 18:42:49,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:49,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:42:49,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:49,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:42:49,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:42:49,926 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2022-11-18 18:42:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:50,102 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2022-11-18 18:42:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:42:50,106 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2022-11-18 18:42:50,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:50,116 INFO L225 Difference]: With dead ends: 74 [2022-11-18 18:42:50,116 INFO L226 Difference]: Without dead ends: 43 [2022-11-18 18:42:50,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:42:50,125 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:50,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 54 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:42:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-18 18:42:50,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2022-11-18 18:42:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 37 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-11-18 18:42:50,181 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 5 [2022-11-18 18:42:50,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:50,182 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-11-18 18:42:50,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2022-11-18 18:42:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-11-18 18:42:50,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 18:42:50,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:50,185 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-11-18 18:42:50,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:42:50,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:42:50,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:50,189 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2022-11-18 18:42:50,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:50,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507612746] [2022-11-18 18:42:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 18:42:50,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:50,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507612746] [2022-11-18 18:42:50,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507612746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:50,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:50,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:42:50,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924754581] [2022-11-18 18:42:50,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:50,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:42:50,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:50,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:42:50,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:42:50,402 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 4 states, 3 states have (on average 3.0) 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) [2022-11-18 18:42:50,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:50,484 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2022-11-18 18:42:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:42:50,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) 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 9 [2022-11-18 18:42:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:50,486 INFO L225 Difference]: With dead ends: 38 [2022-11-18 18:42:50,486 INFO L226 Difference]: Without dead ends: 35 [2022-11-18 18:42:50,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:42:50,489 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 20 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:50,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 20 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:42:50,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-18 18:42:50,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-18 18:42:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 34 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2022-11-18 18:42:50,497 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 9 [2022-11-18 18:42:50,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:50,498 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2022-11-18 18:42:50,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) 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) [2022-11-18 18:42:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-11-18 18:42:50,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 18:42:50,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:50,499 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-11-18 18:42:50,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:42:50,500 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:42:50,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:50,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2022-11-18 18:42:50,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:50,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026187343] [2022-11-18 18:42:50,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:50,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:42:50,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:50,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026187343] [2022-11-18 18:42:50,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026187343] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:42:50,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189709602] [2022-11-18 18:42:50,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:50,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:42:50,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:42:50,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:42:50,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:42:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:50,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:42:50,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:50,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:42:50,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:42:50,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189709602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:50,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:42:50,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-18 18:42:50,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629774490] [2022-11-18 18:42:50,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:50,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:42:50,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:50,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:42:50,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:42:50,896 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2022-11-18 18:42:51,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:51,024 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2022-11-18 18:42:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:42:51,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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 10 [2022-11-18 18:42:51,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:51,026 INFO L225 Difference]: With dead ends: 45 [2022-11-18 18:42:51,026 INFO L226 Difference]: Without dead ends: 44 [2022-11-18 18:42:51,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:42:51,028 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:51,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 43 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:42:51,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-18 18:42:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 31. [2022-11-18 18:42:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 30 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) [2022-11-18 18:42:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-11-18 18:42:51,035 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 10 [2022-11-18 18:42:51,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:51,035 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-11-18 18:42:51,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2022-11-18 18:42:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-18 18:42:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-18 18:42:51,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:51,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:51,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:51,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:42:51,243 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:42:51,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:51,244 INFO L85 PathProgramCache]: Analyzing trace with hash -282016926, now seen corresponding path program 1 times [2022-11-18 18:42:51,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:51,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182508118] [2022-11-18 18:42:51,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:51,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:42:51,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:51,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182508118] [2022-11-18 18:42:51,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182508118] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:42:51,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497786756] [2022-11-18 18:42:51,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:51,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:42:51,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:42:51,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:42:51,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 18:42:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:51,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:42:51,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:51,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:42:51,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:42:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:42:51,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497786756] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:42:51,562 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:42:51,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 18:42:51,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81233776] [2022-11-18 18:42:51,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:42:51,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:42:51,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:51,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:42:51,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:42:51,564 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:51,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:51,655 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2022-11-18 18:42:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:42:51,655 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 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 18 [2022-11-18 18:42:51,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:51,656 INFO L225 Difference]: With dead ends: 73 [2022-11-18 18:42:51,656 INFO L226 Difference]: Without dead ends: 49 [2022-11-18 18:42:51,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:42:51,658 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 50 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:51,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 34 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:42:51,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-18 18:42:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 39. [2022-11-18 18:42:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 38 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2022-11-18 18:42:51,664 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 18 [2022-11-18 18:42:51,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:51,665 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2022-11-18 18:42:51,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:51,665 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2022-11-18 18:42:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 18:42:51,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:51,666 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:51,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-18 18:42:51,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:42:51,871 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:42:51,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1274162326, now seen corresponding path program 2 times [2022-11-18 18:42:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:51,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260269183] [2022-11-18 18:42:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:51,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 18:42:52,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:52,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260269183] [2022-11-18 18:42:52,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260269183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:52,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:52,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:42:52,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232926368] [2022-11-18 18:42:52,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:52,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:42:52,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:52,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:42:52,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:42:52,023 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:52,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:52,088 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2022-11-18 18:42:52,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:42:52,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 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 26 [2022-11-18 18:42:52,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:52,089 INFO L225 Difference]: With dead ends: 44 [2022-11-18 18:42:52,089 INFO L226 Difference]: Without dead ends: 42 [2022-11-18 18:42:52,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:42:52,091 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:52,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:42:52,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-18 18:42:52,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-18 18:42:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 41 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-11-18 18:42:52,096 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 26 [2022-11-18 18:42:52,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:52,096 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-11-18 18:42:52,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-11-18 18:42:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 18:42:52,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:52,097 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:52,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:42:52,098 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:42:52,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:52,098 INFO L85 PathProgramCache]: Analyzing trace with hash -158808878, now seen corresponding path program 1 times [2022-11-18 18:42:52,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:52,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274603897] [2022-11-18 18:42:52,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-18 18:42:52,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:52,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274603897] [2022-11-18 18:42:52,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274603897] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:42:52,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587328176] [2022-11-18 18:42:52,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:52,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:42:52,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:42:52,235 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:42:52,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 18:42:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:52,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:42:52,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:52,405 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 18:42:52,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:42:52,527 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 18:42:52,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587328176] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:42:52,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:42:52,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2022-11-18 18:42:52,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626898955] [2022-11-18 18:42:52,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:42:52,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-18 18:42:52,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:52,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-18 18:42:52,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:42:52,531 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:52,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:52,878 INFO L93 Difference]: Finished difference Result 103 states and 113 transitions. [2022-11-18 18:42:52,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 18:42:52,878 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 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 32 [2022-11-18 18:42:52,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:52,882 INFO L225 Difference]: With dead ends: 103 [2022-11-18 18:42:52,882 INFO L226 Difference]: Without dead ends: 76 [2022-11-18 18:42:52,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2022-11-18 18:42:52,885 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 186 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:52,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 104 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:42:52,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-18 18:42:52,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 66. [2022-11-18 18:42:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 62 states have (on average 1.096774193548387) internal successors, (68), 65 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2022-11-18 18:42:52,901 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 32 [2022-11-18 18:42:52,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:52,901 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2022-11-18 18:42:52,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.4210526315789473) internal successors, (65), 19 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2022-11-18 18:42:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-18 18:42:52,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:52,903 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:52,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 18:42:53,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-18 18:42:53,109 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:42:53,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:53,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1789213972, now seen corresponding path program 1 times [2022-11-18 18:42:53,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:53,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447119427] [2022-11-18 18:42:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-18 18:42:53,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:53,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447119427] [2022-11-18 18:42:53,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447119427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:53,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:53,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:42:53,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738812623] [2022-11-18 18:42:53,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:53,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:42:53,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:53,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:42:53,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:42:53,227 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:53,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:53,266 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2022-11-18 18:42:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:42:53,267 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 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 53 [2022-11-18 18:42:53,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:53,268 INFO L225 Difference]: With dead ends: 66 [2022-11-18 18:42:53,268 INFO L226 Difference]: Without dead ends: 65 [2022-11-18 18:42:53,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:42:53,269 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:53,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 16 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:42:53,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-18 18:42:53,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-18 18:42:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 64 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:53,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2022-11-18 18:42:53,291 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 53 [2022-11-18 18:42:53,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:53,293 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2022-11-18 18:42:53,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2022-11-18 18:42:53,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-18 18:42:53,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:53,300 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:53,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:42:53,300 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-18 18:42:53,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:53,301 INFO L85 PathProgramCache]: Analyzing trace with hash 368941802, now seen corresponding path program 1 times [2022-11-18 18:42:53,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:42:53,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811515176] [2022-11-18 18:42:53,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:53,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:42:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-18 18:42:53,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:42:53,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811515176] [2022-11-18 18:42:53,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811515176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:53,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:53,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:42:53,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14570958] [2022-11-18 18:42:53,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:53,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:42:53,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:42:53,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:42:53,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:42:53,395 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:53,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:53,430 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2022-11-18 18:42:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:42:53,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 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 54 [2022-11-18 18:42:53,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:53,433 INFO L225 Difference]: With dead ends: 65 [2022-11-18 18:42:53,433 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:42:53,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:42:53,435 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:53,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:42:53,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:42:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:42:53,436 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) [2022-11-18 18:42:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:42:53,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-18 18:42:53,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:53,437 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:42:53,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:42:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:42:53,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:42:53,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-18 18:42:53,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-18 18:42:53,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-18 18:42:53,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-18 18:42:53,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-18 18:42:53,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-18 18:42:53,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-18 18:42:53,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-18 18:42:53,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:42:53,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:42:53,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-11-18 18:42:53,478 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2022-11-18 18:42:53,478 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:42:53,478 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-18 18:42:53,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:42:53,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-11-18 18:42:53,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:42:53,483 INFO L902 garLoopResultBuilder]: At program point L28(lines 14 29) the Hoare annotation is: true [2022-11-18 18:42:53,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-11-18 18:42:53,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:42:53,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-11-18 18:42:53,483 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-18 18:42:53,484 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-11-18 18:42:53,484 INFO L899 garLoopResultBuilder]: For program point L25-2(lines 25 26) no Hoare annotation was computed. [2022-11-18 18:42:53,484 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-18 18:42:53,484 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-18 18:42:53,484 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2022-11-18 18:42:53,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-11-18 18:42:53,485 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-11-18 18:42:53,485 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2022-11-18 18:42:53,485 INFO L899 garLoopResultBuilder]: For program point L22-2(lines 22 27) no Hoare annotation was computed. [2022-11-18 18:42:53,485 INFO L899 garLoopResultBuilder]: For program point L22-3(line 22) no Hoare annotation was computed. [2022-11-18 18:42:53,485 INFO L899 garLoopResultBuilder]: For program point L22-4(line 22) no Hoare annotation was computed. [2022-11-18 18:42:53,485 INFO L895 garLoopResultBuilder]: At program point L22-5(lines 22 27) the Hoare annotation is: (<= 0 (+ 2147483649 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 18:42:53,486 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 18 21) no Hoare annotation was computed. [2022-11-18 18:42:53,486 INFO L899 garLoopResultBuilder]: For program point L22-6(lines 22 27) no Hoare annotation was computed. [2022-11-18 18:42:53,486 INFO L899 garLoopResultBuilder]: For program point L18-3(line 18) no Hoare annotation was computed. [2022-11-18 18:42:53,486 INFO L899 garLoopResultBuilder]: For program point L18-4(line 18) no Hoare annotation was computed. [2022-11-18 18:42:53,486 INFO L895 garLoopResultBuilder]: At program point L18-5(lines 18 21) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-18 18:42:53,486 INFO L899 garLoopResultBuilder]: For program point L18-6(lines 18 21) no Hoare annotation was computed. [2022-11-18 18:42:53,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2022-11-18 18:42:53,490 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-11-18 18:42:53,493 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:42:53,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:42:53 BoogieIcfgContainer [2022-11-18 18:42:53,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:42:53,518 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:42:53,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:42:53,518 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:42:53,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:42:49" (3/4) ... [2022-11-18 18:42:53,521 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:42:53,534 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-18 18:42:53,534 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:42:53,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:42:53,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:42:53,572 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:42:53,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:42:53,573 INFO L158 Benchmark]: Toolchain (without parser) took 4792.90ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 85.1MB in the beginning and 60.6MB in the end (delta: 24.5MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-11-18 18:42:53,573 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:42:53,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.49ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 100.8MB in the end (delta: -15.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:42:53,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:42:53,574 INFO L158 Benchmark]: Boogie Preprocessor took 25.09ms. Allocated memory is still 125.8MB. Free memory was 99.5MB in the beginning and 98.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:42:53,575 INFO L158 Benchmark]: RCFGBuilder took 358.75ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 87.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:42:53,575 INFO L158 Benchmark]: TraceAbstraction took 4026.45ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 86.9MB in the beginning and 63.7MB in the end (delta: 23.1MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2022-11-18 18:42:53,576 INFO L158 Benchmark]: Witness Printer took 54.50ms. Allocated memory is still 157.3MB. Free memory was 63.7MB in the beginning and 60.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:42:53,578 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 125.8MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.49ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 100.8MB in the end (delta: -15.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 125.8MB. Free memory was 100.8MB in the beginning and 99.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.09ms. Allocated memory is still 125.8MB. Free memory was 99.5MB in the beginning and 98.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.75ms. Allocated memory is still 125.8MB. Free memory was 98.2MB in the beginning and 87.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4026.45ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 86.9MB in the beginning and 63.7MB in the end (delta: 23.1MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Witness Printer took 54.50ms. Allocated memory is still 157.3MB. Free memory was 63.7MB in the beginning and 60.6MB in the end (delta: 3.2MB). 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: 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, 31 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 8, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 315 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 217 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 557 IncrementalHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 98 mSDtfsCounter, 557 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=6, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 38 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 14 NumberOfFragments, 13 HoareAnnotationTreeSize, 3 FomulaSimplifications, 121 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 267 NumberOfCodeBlocks, 267 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 304 ConstructedInterpolants, 0 QuantifiedInterpolants, 522 SizeOfPredicates, 6 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 250/292 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 8 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 <= 2147483649 + i - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 18:42:53,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6700a345-4c73-4baa-a17d-6166ec83cc80/bin/uautomizer-TMbwUNV5ro/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