./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/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_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8 --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-2329fc7 [2022-12-13 18:08:01,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:08:01,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:08:01,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:08:01,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:08:01,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:08:01,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:08:01,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:08:01,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:08:01,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:08:01,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:08:01,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:08:01,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:08:01,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:08:01,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:08:01,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:08:01,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:08:01,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:08:01,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:08:01,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:08:01,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:08:01,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:08:01,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:08:01,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:08:01,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:08:01,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:08:01,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:08:01,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:08:01,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:08:01,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:08:01,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:08:01,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:08:01,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:08:01,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:08:01,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:08:01,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:08:01,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:08:01,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:08:01,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:08:01,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:08:01,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:08:01,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 18:08:01,909 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:08:01,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:08:01,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:08:01,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:08:01,910 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:08:01,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:08:01,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:08:01,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:08:01,911 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:08:01,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:08:01,911 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:08:01,911 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:08:01,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:08:01,912 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:08:01,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:08:01,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:08:01,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:08:01,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:08:01,912 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 18:08:01,913 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:08:01,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:08:01,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:08:01,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:08:01,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:08:01,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:08:01,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:08:01,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:08:01,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:08:01,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:08:01,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:08:01,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:08:01,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:08:01,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:08:01,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:08:01,915 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:08:01,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:08:01,915 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:08:01,915 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb960067570884de0638f14e8f74b0912d9ff4ed83f9c3c33e6cd3e420d05661 [2022-12-13 18:08:02,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:08:02,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:08:02,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:08:02,140 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:08:02,140 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:08:02,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i [2022-12-13 18:08:04,772 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:08:04,919 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:08:04,919 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i [2022-12-13 18:08:04,925 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/data/d2e674706/1e793de93fd84f31a8b93c2e29eae331/FLAG7ff5f324d [2022-12-13 18:08:04,939 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/data/d2e674706/1e793de93fd84f31a8b93c2e29eae331 [2022-12-13 18:08:04,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:08:04,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:08:04,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:08:04,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:08:04,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:08:04,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:08:04" (1/1) ... [2022-12-13 18:08:04,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed136b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:04, skipping insertion in model container [2022-12-13 18:08:04,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:08:04" (1/1) ... [2022-12-13 18:08:04,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:08:04,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:08:05,109 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i[814,827] [2022-12-13 18:08:05,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:08:05,127 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:08:05,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/sv-benchmarks/c/array-industry-pattern/array_assert_loop_dep.i[814,827] [2022-12-13 18:08:05,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:08:05,148 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:08:05,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05 WrapperNode [2022-12-13 18:08:05,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:08:05,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:08:05,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:08:05,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:08:05,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,171 INFO L138 Inliner]: procedures = 15, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2022-12-13 18:08:05,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:08:05,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:08:05,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:08:05,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:08:05,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:08:05,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:08:05,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:08:05,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:08:05,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (1/1) ... [2022-12-13 18:08:05,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:08:05,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:08:05,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:08:05,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:08:05,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:08:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:08:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:08:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:08:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:08:05,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:08:05,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:08:05,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:08:05,318 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:08:05,320 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:08:05,425 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:08:05,429 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:08:05,429 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:08:05,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:08:05 BoogieIcfgContainer [2022-12-13 18:08:05,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:08:05,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:08:05,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:08:05,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:08:05,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:08:04" (1/3) ... [2022-12-13 18:08:05,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8003c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:08:05, skipping insertion in model container [2022-12-13 18:08:05,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:05" (2/3) ... [2022-12-13 18:08:05,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8003c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:08:05, skipping insertion in model container [2022-12-13 18:08:05,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:08:05" (3/3) ... [2022-12-13 18:08:05,437 INFO L112 eAbstractionObserver]: Analyzing ICFG array_assert_loop_dep.i [2022-12-13 18:08:05,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:08:05,451 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 18:08:05,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:08:05,490 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;@d6b7d1c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:08:05,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 18:08:05,493 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) [2022-12-13 18:08:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 18:08:05,497 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:05,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 18:08:05,498 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)] === [2022-12-13 18:08:05,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:05,501 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2022-12-13 18:08:05,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:05,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271812911] [2022-12-13 18:08:05,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:05,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:08:05,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:05,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271812911] [2022-12-13 18:08:05,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271812911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:08:05,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:08:05,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:08:05,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358441149] [2022-12-13 18:08:05,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:08:05,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:08:05,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:05,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:08:05,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:08:05,687 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) [2022-12-13 18:08:05,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:05,772 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2022-12-13 18:08:05,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:08:05,774 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 [2022-12-13 18:08:05,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:05,779 INFO L225 Difference]: With dead ends: 74 [2022-12-13 18:08:05,779 INFO L226 Difference]: Without dead ends: 43 [2022-12-13 18:08:05,781 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 [2022-12-13 18:08:05,783 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-12-13 18:08:05,784 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] [2022-12-13 18:08:05,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-12-13 18:08:05,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2022-12-13 18:08:05,806 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) [2022-12-13 18:08:05,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-12-13 18:08:05,807 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 5 [2022-12-13 18:08:05,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:05,808 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-12-13 18:08:05,808 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) [2022-12-13 18:08:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-12-13 18:08:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 18:08:05,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:05,808 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-12-13 18:08:05,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:08:05,809 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)] === [2022-12-13 18:08:05,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:05,810 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2022-12-13 18:08:05,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:05,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937109413] [2022-12-13 18:08:05,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:05,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:08:05,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:05,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937109413] [2022-12-13 18:08:05,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937109413] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:08:05,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505473556] [2022-12-13 18:08:05,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:05,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:08:05,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:08:05,891 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:08:05,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:08:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:05,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 18:08:05,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:08:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:08:05,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:08:05,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505473556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:08:05,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 18:08:05,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 18:08:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788096778] [2022-12-13 18:08:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:08:05,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:08:05,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:05,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:08:05,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:08:05,995 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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) [2022-12-13 18:08:06,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:06,058 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2022-12-13 18:08:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:08:06,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 [2022-12-13 18:08:06,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:06,060 INFO L225 Difference]: With dead ends: 48 [2022-12-13 18:08:06,060 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 18:08:06,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:08:06,062 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 27 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:08:06,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 46 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:08:06,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 18:08:06,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 37. [2022-12-13 18:08:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.3) internal successors, (39), 36 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-12-13 18:08:06,066 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 9 [2022-12-13 18:08:06,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:06,067 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-12-13 18:08:06,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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) [2022-12-13 18:08:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-12-13 18:08:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 18:08:06,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:06,067 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-12-13 18:08:06,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:08:06,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:08:06,270 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)] === [2022-12-13 18:08:06,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:06,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2022-12-13 18:08:06,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:06,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337702893] [2022-12-13 18:08:06,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:06,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 18:08:06,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:06,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337702893] [2022-12-13 18:08:06,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337702893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:08:06,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:08:06,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:08:06,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361545994] [2022-12-13 18:08:06,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:08:06,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:08:06,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:06,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:08:06,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:08:06,425 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:06,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:06,477 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-12-13 18:08:06,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:08:06,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-13 18:08:06,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:06,478 INFO L225 Difference]: With dead ends: 37 [2022-12-13 18:08:06,478 INFO L226 Difference]: Without dead ends: 34 [2022-12-13 18:08:06,478 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 [2022-12-13 18:08:06,480 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 17 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:08:06,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 20 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:08:06,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-13 18:08:06,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2022-12-13 18:08:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 29 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:06,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-12-13 18:08:06,485 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 10 [2022-12-13 18:08:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:06,485 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-12-13 18:08:06,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-12-13 18:08:06,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 18:08:06,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:06,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:06,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:08:06,486 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)] === [2022-12-13 18:08:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:06,486 INFO L85 PathProgramCache]: Analyzing trace with hash -282016926, now seen corresponding path program 1 times [2022-12-13 18:08:06,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:06,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20927010] [2022-12-13 18:08:06,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:06,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:08:06,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:06,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20927010] [2022-12-13 18:08:06,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20927010] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:08:06,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773985447] [2022-12-13 18:08:06,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:06,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:08:06,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:08:06,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:08:06,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:08:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:06,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:08:06,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:08:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:08:06,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:08:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:08:06,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773985447] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:08:06,642 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:08:06,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 18:08:06,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965764949] [2022-12-13 18:08:06,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:08:06,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 18:08:06,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:06,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 18:08:06,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:08:06,644 INFO L87 Difference]: Start difference. First operand 30 states and 32 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) [2022-12-13 18:08:06,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:06,715 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2022-12-13 18:08:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:08:06,715 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 [2022-12-13 18:08:06,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:06,716 INFO L225 Difference]: With dead ends: 72 [2022-12-13 18:08:06,716 INFO L226 Difference]: Without dead ends: 49 [2022-12-13 18:08:06,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-12-13 18:08:06,717 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 65 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:08:06,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 51 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:08:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-13 18:08:06,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 38. [2022-12-13 18:08:06,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 34 states have (on average 1.1764705882352942) 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) [2022-12-13 18:08:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-12-13 18:08:06,721 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2022-12-13 18:08:06,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:06,721 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-12-13 18:08:06,721 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) [2022-12-13 18:08:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-12-13 18:08:06,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 18:08:06,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:06,721 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:06,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 18:08:06,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:08:06,923 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)] === [2022-12-13 18:08:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1274162326, now seen corresponding path program 2 times [2022-12-13 18:08:06,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:06,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14675525] [2022-12-13 18:08:06,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:06,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:08:07,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:07,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14675525] [2022-12-13 18:08:07,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14675525] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:08:07,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:08:07,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:08:07,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409334843] [2022-12-13 18:08:07,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:08:07,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:08:07,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:07,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:08:07,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:08:07,079 INFO L87 Difference]: Start difference. First operand 38 states and 40 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) [2022-12-13 18:08:07,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:07,119 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2022-12-13 18:08:07,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:08:07,120 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 [2022-12-13 18:08:07,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:07,120 INFO L225 Difference]: With dead ends: 44 [2022-12-13 18:08:07,120 INFO L226 Difference]: Without dead ends: 42 [2022-12-13 18:08:07,121 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 [2022-12-13 18:08:07,122 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, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:08:07,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:08:07,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-13 18:08:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-13 18:08:07,126 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) [2022-12-13 18:08:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-12-13 18:08:07,126 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 26 [2022-12-13 18:08:07,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:07,127 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-12-13 18:08:07,127 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) [2022-12-13 18:08:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-12-13 18:08:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-13 18:08:07,128 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:07,128 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:07,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:08:07,128 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 18:08:07,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:07,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1806238187, now seen corresponding path program 1 times [2022-12-13 18:08:07,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:07,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998003782] [2022-12-13 18:08:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:07,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 18:08:07,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:07,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998003782] [2022-12-13 18:08:07,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998003782] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:08:07,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138679480] [2022-12-13 18:08:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:07,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:08:07,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:08:07,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:08:07,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 18:08:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:07,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 18:08:07,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:08:07,311 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:08:07,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:08:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:08:07,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138679480] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:08:07,398 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:08:07,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2022-12-13 18:08:07,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5697804] [2022-12-13 18:08:07,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:08:07,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-13 18:08:07,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:07,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-13 18:08:07,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2022-12-13 18:08:07,400 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 19 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:07,571 INFO L93 Difference]: Finished difference Result 103 states and 113 transitions. [2022-12-13 18:08:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 18:08:07,572 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 19 states have internal predecessors, (64), 0 states have call successors, (0), 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 31 [2022-12-13 18:08:07,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:07,573 INFO L225 Difference]: With dead ends: 103 [2022-12-13 18:08:07,573 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 18:08:07,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2022-12-13 18:08:07,574 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 103 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:08:07,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 93 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:08:07,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 18:08:07,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2022-12-13 18:08:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 61 states have (on average 1.098360655737705) 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) [2022-12-13 18:08:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2022-12-13 18:08:07,581 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 31 [2022-12-13 18:08:07,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:07,582 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2022-12-13 18:08:07,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.3684210526315788) internal successors, (64), 19 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2022-12-13 18:08:07,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-13 18:08:07,583 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:07,583 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] [2022-12-13 18:08:07,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 18:08:07,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 18:08:07,784 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)] === [2022-12-13 18:08:07,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:07,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1789213972, now seen corresponding path program 1 times [2022-12-13 18:08:07,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:07,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229164559] [2022-12-13 18:08:07,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:07,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:07,941 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-12-13 18:08:07,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:07,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229164559] [2022-12-13 18:08:07,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229164559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:08:07,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:08:07,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:08:07,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634396443] [2022-12-13 18:08:07,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:08:07,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:08:07,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:07,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:08:07,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:08:07,944 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) [2022-12-13 18:08:07,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:07,973 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2022-12-13 18:08:07,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:08:07,973 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 53 [2022-12-13 18:08:07,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:07,974 INFO L225 Difference]: With dead ends: 65 [2022-12-13 18:08:07,974 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 18:08:07,974 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 [2022-12-13 18:08:07,975 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:08:07,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 17 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:08:07,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 18:08:07,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2022-12-13 18:08:07,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.05) internal successors, (63), 60 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:07,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2022-12-13 18:08:07,980 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 53 [2022-12-13 18:08:07,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:07,981 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2022-12-13 18:08:07,981 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) [2022-12-13 18:08:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2022-12-13 18:08:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 18:08:07,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:07,982 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] [2022-12-13 18:08:07,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:08:07,983 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)] === [2022-12-13 18:08:07,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:07,983 INFO L85 PathProgramCache]: Analyzing trace with hash 368941802, now seen corresponding path program 1 times [2022-12-13 18:08:07,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:07,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947221053] [2022-12-13 18:08:07,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:07,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-12-13 18:08:08,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:08,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947221053] [2022-12-13 18:08:08,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947221053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:08:08,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:08:08,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:08:08,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485154137] [2022-12-13 18:08:08,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:08:08,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:08:08,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:08,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:08:08,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:08:08,055 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:08,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:08,075 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2022-12-13 18:08:08,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:08:08,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 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 [2022-12-13 18:08:08,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:08,076 INFO L225 Difference]: With dead ends: 61 [2022-12-13 18:08:08,076 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:08:08,076 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 [2022-12-13 18:08:08,077 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:08:08,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 16 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:08:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:08:08,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:08:08,078 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) [2022-12-13 18:08:08,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:08:08,078 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-12-13 18:08:08,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:08,078 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:08:08,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:08:08,079 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:08:08,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 18:08:08,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 18:08:08,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 18:08:08,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 18:08:08,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 18:08:08,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 18:08:08,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 18:08:08,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 18:08:08,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:08:08,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:08:08,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-12-13 18:08:08,100 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 14 29) the Hoare annotation is: true [2022-12-13 18:08:08,100 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2022-12-13 18:08:08,100 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point L25-2(lines 25 26) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-12-13 18:08:08,101 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-12-13 18:08:08,102 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2022-12-13 18:08:08,102 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:08:08,102 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-12-13 18:08:08,102 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-12-13 18:08:08,102 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2022-12-13 18:08:08,102 INFO L899 garLoopResultBuilder]: For program point L22-2(lines 22 27) no Hoare annotation was computed. [2022-12-13 18:08:08,102 INFO L899 garLoopResultBuilder]: For program point L22-3(line 22) no Hoare annotation was computed. [2022-12-13 18:08:08,102 INFO L899 garLoopResultBuilder]: For program point L22-4(line 22) no Hoare annotation was computed. [2022-12-13 18:08:08,103 INFO L895 garLoopResultBuilder]: At program point L22-5(lines 22 27) the Hoare annotation is: (<= 0 (+ 2147483649 |ULTIMATE.start_main_~i~0#1|)) [2022-12-13 18:08:08,103 INFO L899 garLoopResultBuilder]: For program point L18-2(lines 18 21) no Hoare annotation was computed. [2022-12-13 18:08:08,103 INFO L899 garLoopResultBuilder]: For program point L22-6(lines 22 27) no Hoare annotation was computed. [2022-12-13 18:08:08,103 INFO L899 garLoopResultBuilder]: For program point L18-3(line 18) no Hoare annotation was computed. [2022-12-13 18:08:08,103 INFO L899 garLoopResultBuilder]: For program point L18-4(line 18) no Hoare annotation was computed. [2022-12-13 18:08:08,103 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|)) [2022-12-13 18:08:08,103 INFO L899 garLoopResultBuilder]: For program point L18-6(lines 18 21) no Hoare annotation was computed. [2022-12-13 18:08:08,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2022-12-13 18:08:08,106 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:08,108 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:08:08,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:08:08 BoogieIcfgContainer [2022-12-13 18:08:08,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:08:08,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:08:08,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:08:08,120 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:08:08,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:08:05" (3/4) ... [2022-12-13 18:08:08,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:08:08,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 18:08:08,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:08:08,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:08:08,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:08:08,157 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:08:08,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:08:08,158 INFO L158 Benchmark]: Toolchain (without parser) took 3214.68ms. Allocated memory is still 153.1MB. Free memory was 88.0MB in the beginning and 90.1MB in the end (delta: -2.1MB). Peak memory consumption was 672.6kB. Max. memory is 16.1GB. [2022-12-13 18:08:08,158 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:08:08,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.46ms. Allocated memory is still 153.1MB. Free memory was 87.8MB in the beginning and 119.9MB in the end (delta: -32.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 18:08:08,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.79ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:08:08,159 INFO L158 Benchmark]: Boogie Preprocessor took 20.29ms. Allocated memory is still 153.1MB. Free memory was 118.3MB in the beginning and 117.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:08:08,159 INFO L158 Benchmark]: RCFGBuilder took 238.19ms. Allocated memory is still 153.1MB. Free memory was 117.1MB in the beginning and 106.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 18:08:08,159 INFO L158 Benchmark]: TraceAbstraction took 2686.68ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 93.2MB in the end (delta: 12.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-12-13 18:08:08,159 INFO L158 Benchmark]: Witness Printer took 37.65ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 90.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:08:08,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 153.1MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.46ms. Allocated memory is still 153.1MB. Free memory was 87.8MB in the beginning and 119.9MB in the end (delta: -32.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.79ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 118.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.29ms. Allocated memory is still 153.1MB. Free memory was 118.3MB in the beginning and 117.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 238.19ms. Allocated memory is still 153.1MB. Free memory was 117.1MB in the beginning and 106.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2686.68ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 93.2MB in the end (delta: 12.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 37.65ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 90.1MB 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: 2.6s, OverallIterations: 8, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 252 mSDsluCounter, 327 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 226 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 530 IncrementalHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 101 mSDtfsCounter, 530 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 14 NumberOfFragments, 13 HoareAnnotationTreeSize, 3 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 6 NumberOfNonLiveVariables, 229 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 248/288 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: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i RESULT: Ultimate proved your program to be correct! [2022-12-13 18:08:08,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7305fdf5-04c2-4fb4-ae07-22c7307ae73a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE