./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_find_ground-1.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_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/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_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_find_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/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_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/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 104899a801011b0e3641a72d1ef00a1787a9f1724318580031d49da34b73c0d4 --- 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 14:41:20,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:41:20,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:41:20,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:41:20,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:41:20,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:41:20,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:41:20,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:41:20,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:41:20,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:41:20,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:41:20,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:41:20,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:41:20,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:41:20,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:41:20,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:41:20,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:41:20,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:41:20,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:41:20,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:41:20,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:41:20,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:41:20,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:41:20,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:41:20,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:41:20,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:41:20,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:41:20,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:41:20,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:41:20,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:41:20,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:41:20,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:41:20,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:41:20,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:41:20,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:41:20,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:41:20,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:41:20,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:41:20,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:41:20,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:41:20,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:41:20,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 14:41:20,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:41:20,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:41:20,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:41:20,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:41:20,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:41:20,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:41:20,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:41:20,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:41:20,153 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:41:20,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:41:20,153 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:41:20,153 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:41:20,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:41:20,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:41:20,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:41:20,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:41:20,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:41:20,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:41:20,155 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:41:20,155 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:41:20,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:41:20,155 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:41:20,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:41:20,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:41:20,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:41:20,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:41:20,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:41:20,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:41:20,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:41:20,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:41:20,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:41:20,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:41:20,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:41:20,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:41:20,158 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:41:20,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:41:20,158 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:41:20,158 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_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104899a801011b0e3641a72d1ef00a1787a9f1724318580031d49da34b73c0d4 [2022-12-13 14:41:20,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:41:20,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:41:20,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:41:20,350 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:41:20,350 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:41:20,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-examples/standard_find_ground-1.i [2022-12-13 14:41:22,983 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:41:23,129 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:41:23,129 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/sv-benchmarks/c/array-examples/standard_find_ground-1.i [2022-12-13 14:41:23,134 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/data/a5aecee0c/c369331027ee4c6aae7a5d4c5ce64fd9/FLAGdd6d66407 [2022-12-13 14:41:23,146 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/data/a5aecee0c/c369331027ee4c6aae7a5d4c5ce64fd9 [2022-12-13 14:41:23,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:41:23,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:41:23,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:41:23,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:41:23,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:41:23,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a12960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23, skipping insertion in model container [2022-12-13 14:41:23,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:41:23,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:41:23,309 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_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/sv-benchmarks/c/array-examples/standard_find_ground-1.i[855,868] [2022-12-13 14:41:23,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:41:23,329 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:41:23,340 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_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/sv-benchmarks/c/array-examples/standard_find_ground-1.i[855,868] [2022-12-13 14:41:23,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:41:23,358 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:41:23,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23 WrapperNode [2022-12-13 14:41:23,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:41:23,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:41:23,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:41:23,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:41:23,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,384 INFO L138 Inliner]: procedures = 16, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2022-12-13 14:41:23,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:41:23,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:41:23,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:41:23,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:41:23,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,403 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:41:23,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:41:23,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:41:23,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:41:23,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (1/1) ... [2022-12-13 14:41:23,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:41:23,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:23,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:41:23,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:41:23,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:41:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:41:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:41:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:41:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:41:23,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:41:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:41:23,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:41:23,515 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:41:23,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:41:23,612 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:41:23,617 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:41:23,617 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 14:41:23,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:41:23 BoogieIcfgContainer [2022-12-13 14:41:23,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:41:23,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:41:23,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:41:23,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:41:23,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:41:23" (1/3) ... [2022-12-13 14:41:23,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e5c889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:41:23, skipping insertion in model container [2022-12-13 14:41:23,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:41:23" (2/3) ... [2022-12-13 14:41:23,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e5c889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:41:23, skipping insertion in model container [2022-12-13 14:41:23,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:41:23" (3/3) ... [2022-12-13 14:41:23,625 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_find_ground-1.i [2022-12-13 14:41:23,640 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:41:23,640 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 14:41:23,676 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:41:23,681 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;@16243d32, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:41:23,682 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 14:41:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 28 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 14:41:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 14:41:23,690 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:23,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 14:41:23,691 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:23,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:23,695 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2022-12-13 14:41:23,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:23,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105513855] [2022-12-13 14:41:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:23,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:23,861 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 14:41:23,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:23,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105513855] [2022-12-13 14:41:23,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105513855] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:23,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:41:23,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:41:23,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298125486] [2022-12-13 14:41:23,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:23,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:23,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:23,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:23,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:23,892 INFO L87 Difference]: Start difference. First operand has 29 states, 22 states have (on average 1.6363636363636365) internal successors, (36), 28 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 14:41:23,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:23,934 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2022-12-13 14:41:23,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:41:23,936 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 14:41:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:23,942 INFO L225 Difference]: With dead ends: 56 [2022-12-13 14:41:23,942 INFO L226 Difference]: Without dead ends: 28 [2022-12-13 14:41:23,944 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 14:41:23,947 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:23,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 80 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:23,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-13 14:41:23,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-13 14:41:23,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 27 states have internal predecessors, (31), 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 14:41:23,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-12-13 14:41:23,971 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 5 [2022-12-13 14:41:23,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:23,971 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-12-13 14:41:23,972 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 14:41:23,972 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-12-13 14:41:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 14:41:23,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:23,972 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-12-13 14:41:23,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:41:23,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2022-12-13 14:41:23,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:23,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994903103] [2022-12-13 14:41:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:23,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:24,064 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 14:41:24,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:24,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994903103] [2022-12-13 14:41:24,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994903103] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:24,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211323217] [2022-12-13 14:41:24,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:24,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:24,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:24,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:24,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:41:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:24,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:41:24,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:24,189 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 14:41:24,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:41:24,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211323217] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:24,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:41:24,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 14:41:24,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815520183] [2022-12-13 14:41:24,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:24,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:41:24,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:24,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:41:24,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:41:24,192 INFO L87 Difference]: Start difference. First operand 28 states and 31 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 14:41:24,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:24,233 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-12-13 14:41:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:41:24,234 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 14:41:24,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:24,235 INFO L225 Difference]: With dead ends: 28 [2022-12-13 14:41:24,235 INFO L226 Difference]: Without dead ends: 27 [2022-12-13 14:41:24,235 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 14:41:24,236 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 46 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:24,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 59 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:24,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-13 14:41:24,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-12-13 14:41:24,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 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 14:41:24,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-12-13 14:41:24,241 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 9 [2022-12-13 14:41:24,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:24,241 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-12-13 14:41:24,242 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 14:41:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-12-13 14:41:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-13 14:41:24,242 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:24,242 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-12-13 14:41:24,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:41:24,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:24,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:24,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:24,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2022-12-13 14:41:24,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:24,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420837713] [2022-12-13 14:41:24,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:24,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:24,590 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 14:41:24,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:24,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420837713] [2022-12-13 14:41:24,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420837713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:24,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:41:24,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:41:24,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49480961] [2022-12-13 14:41:24,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:24,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:24,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:24,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:24,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:24,594 INFO L87 Difference]: Start difference. First operand 27 states and 30 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 14:41:24,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:24,619 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-12-13 14:41:24,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:41:24,619 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 14:41:24,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:24,620 INFO L225 Difference]: With dead ends: 27 [2022-12-13 14:41:24,620 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 14:41:24,620 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 14:41:24,621 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:24,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 60 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:24,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 14:41:24,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2022-12-13 14:41:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.368421052631579) internal successors, (26), 22 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 14:41:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-12-13 14:41:24,625 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 10 [2022-12-13 14:41:24,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:24,625 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-12-13 14:41:24,626 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 14:41:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-13 14:41:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 14:41:24,626 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:24,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:24,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:41:24,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:24,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:24,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1713416699, now seen corresponding path program 1 times [2022-12-13 14:41:24,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:24,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882355804] [2022-12-13 14:41:24,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:24,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:24,673 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 14:41:24,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:24,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882355804] [2022-12-13 14:41:24,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882355804] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:24,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867610445] [2022-12-13 14:41:24,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:24,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:24,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:24,676 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:24,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:41:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:24,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:41:24,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:41:24,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:41:24,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867610445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:24,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:41:24,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 14:41:24,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792821837] [2022-12-13 14:41:24,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:24,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:41:24,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:24,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:41:24,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:41:24,732 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 14:41:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:24,741 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-13 14:41:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:41:24,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 14:41:24,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:24,742 INFO L225 Difference]: With dead ends: 23 [2022-12-13 14:41:24,742 INFO L226 Difference]: Without dead ends: 22 [2022-12-13 14:41:24,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:41:24,743 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:24,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 19 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:24,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-13 14:41:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-12-13 14:41:24,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 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 14:41:24,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-12-13 14:41:24,747 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-12-13 14:41:24,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:24,747 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-12-13 14:41:24,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 14:41:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-12-13 14:41:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 14:41:24,747 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:24,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:24,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:41:24,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:24,949 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:24,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:24,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1576310049, now seen corresponding path program 1 times [2022-12-13 14:41:24,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:24,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546936625] [2022-12-13 14:41:24,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:24,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:25,104 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 14:41:25,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:25,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546936625] [2022-12-13 14:41:25,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546936625] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:25,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443758664] [2022-12-13 14:41:25,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:25,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:25,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:25,106 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:25,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:41:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:25,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:41:25,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:41:25,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:41:25,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443758664] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:25,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:41:25,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 14:41:25,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902649441] [2022-12-13 14:41:25,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:25,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:41:25,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:25,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:41:25,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:41:25,168 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14:41:25,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:25,182 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2022-12-13 14:41:25,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:41:25,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-12-13 14:41:25,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:25,183 INFO L225 Difference]: With dead ends: 37 [2022-12-13 14:41:25,184 INFO L226 Difference]: Without dead ends: 36 [2022-12-13 14:41:25,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:41:25,185 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 11 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:25,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 31 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:25,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-13 14:41:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2022-12-13 14:41:25,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 26 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 14:41:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2022-12-13 14:41:25,189 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 12 [2022-12-13 14:41:25,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:25,190 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-12-13 14:41:25,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14:41:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-12-13 14:41:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 14:41:25,190 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:25,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:25,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 14:41:25,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:25,391 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:25,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:25,392 INFO L85 PathProgramCache]: Analyzing trace with hash 667910247, now seen corresponding path program 1 times [2022-12-13 14:41:25,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:25,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237409373] [2022-12-13 14:41:25,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:25,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:25,448 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 14:41:25,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:25,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237409373] [2022-12-13 14:41:25,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237409373] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:25,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464720982] [2022-12-13 14:41:25,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:25,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:25,450 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:25,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 14:41:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:25,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:41:25,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:25,507 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 14:41:25,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:41:25,533 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 14:41:25,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464720982] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:41:25,533 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:41:25,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-13 14:41:25,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936739331] [2022-12-13 14:41:25,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:41:25,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 14:41:25,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:25,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 14:41:25,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:41:25,534 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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 14:41:25,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:25,564 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2022-12-13 14:41:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:41:25,564 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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 16 [2022-12-13 14:41:25,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:25,564 INFO L225 Difference]: With dead ends: 55 [2022-12-13 14:41:25,564 INFO L226 Difference]: Without dead ends: 35 [2022-12-13 14:41:25,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 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 14:41:25,565 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 12 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:25,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 77 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:25,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-13 14:41:25,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-13 14:41:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.25) internal successors, (40), 34 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 14:41:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-12-13 14:41:25,569 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 16 [2022-12-13 14:41:25,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:25,569 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-12-13 14:41:25,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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 14:41:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-12-13 14:41:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 14:41:25,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:25,569 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:25,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 14:41:25,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 14:41:25,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:25,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:25,771 INFO L85 PathProgramCache]: Analyzing trace with hash 54588015, now seen corresponding path program 2 times [2022-12-13 14:41:25,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:25,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254456124] [2022-12-13 14:41:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:25,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:25,825 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 14:41:25,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:25,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254456124] [2022-12-13 14:41:25,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254456124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:25,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:41:25,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:41:25,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055223521] [2022-12-13 14:41:25,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:25,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:25,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:25,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:25,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:25,826 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 14:41:25,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:25,843 INFO L93 Difference]: Finished difference Result 45 states and 50 transitions. [2022-12-13 14:41:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:41:25,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 24 [2022-12-13 14:41:25,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:25,844 INFO L225 Difference]: With dead ends: 45 [2022-12-13 14:41:25,844 INFO L226 Difference]: Without dead ends: 35 [2022-12-13 14:41:25,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:25,845 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:25,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 46 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:25,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-13 14:41:25,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-13 14:41:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.21875) internal successors, (39), 34 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 14:41:25,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2022-12-13 14:41:25,848 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 24 [2022-12-13 14:41:25,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:25,848 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2022-12-13 14:41:25,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 14:41:25,848 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-12-13 14:41:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 14:41:25,848 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:25,848 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 14:41:25,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:41:25,849 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:25,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:25,849 INFO L85 PathProgramCache]: Analyzing trace with hash -523132296, now seen corresponding path program 1 times [2022-12-13 14:41:25,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:25,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400055674] [2022-12-13 14:41:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:25,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 14:41:25,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:25,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400055674] [2022-12-13 14:41:25,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400055674] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:25,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103907775] [2022-12-13 14:41:25,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:25,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:25,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:25,898 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:25,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 14:41:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:25,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 14:41:25,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 14:41:25,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:41:25,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103907775] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:25,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:41:25,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 14:41:25,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848405366] [2022-12-13 14:41:25,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:25,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:25,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:25,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:25,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:41:25,972 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:26,004 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2022-12-13 14:41:26,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:41:26,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-13 14:41:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:26,005 INFO L225 Difference]: With dead ends: 62 [2022-12-13 14:41:26,005 INFO L226 Difference]: Without dead ends: 44 [2022-12-13 14:41:26,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 14:41:26,006 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 17 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:26,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 40 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:26,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-13 14:41:26,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2022-12-13 14:41:26,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 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 14:41:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-12-13 14:41:26,011 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 25 [2022-12-13 14:41:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:26,011 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-12-13 14:41:26,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-12-13 14:41:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 14:41:26,012 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:26,012 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:26,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 14:41:26,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:26,213 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:26,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:26,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1559346304, now seen corresponding path program 1 times [2022-12-13 14:41:26,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:26,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107410693] [2022-12-13 14:41:26,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:26,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 14:41:26,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:26,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107410693] [2022-12-13 14:41:26,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107410693] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:26,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:41:26,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:41:26,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401692057] [2022-12-13 14:41:26,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:26,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:41:26,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:26,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:41:26,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:41:26,362 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:26,384 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2022-12-13 14:41:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:41:26,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-12-13 14:41:26,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:26,384 INFO L225 Difference]: With dead ends: 40 [2022-12-13 14:41:26,384 INFO L226 Difference]: Without dead ends: 38 [2022-12-13 14:41:26,385 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 14:41:26,385 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:26,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 53 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:26,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-13 14:41:26,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-12-13 14:41:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:26,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2022-12-13 14:41:26,388 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 29 [2022-12-13 14:41:26,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:26,389 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2022-12-13 14:41:26,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:26,389 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-12-13 14:41:26,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 14:41:26,389 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:26,389 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:26,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 14:41:26,389 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:26,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:26,390 INFO L85 PathProgramCache]: Analyzing trace with hash -69581675, now seen corresponding path program 1 times [2022-12-13 14:41:26,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:26,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662979163] [2022-12-13 14:41:26,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:26,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 14:41:26,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:26,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662979163] [2022-12-13 14:41:26,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662979163] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:26,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264162889] [2022-12-13 14:41:26,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:26,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:26,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:26,467 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:26,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 14:41:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:26,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:41:26,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 14:41:26,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:41:26,603 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 14:41:26,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264162889] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:41:26,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:41:26,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-12-13 14:41:26,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177790122] [2022-12-13 14:41:26,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:41:26,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 14:41:26,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 14:41:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-12-13 14:41:26,605 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 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 14:41:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:26,682 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2022-12-13 14:41:26,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 14:41:26,683 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2022-12-13 14:41:26,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:26,684 INFO L225 Difference]: With dead ends: 77 [2022-12-13 14:41:26,684 INFO L226 Difference]: Without dead ends: 54 [2022-12-13 14:41:26,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-12-13 14:41:26,685 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:26,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 106 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-12-13 14:41:26,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-12-13 14:41:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 53 states have internal predecessors, (57), 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 14:41:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 57 transitions. [2022-12-13 14:41:26,691 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 57 transitions. Word has length 35 [2022-12-13 14:41:26,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:26,691 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 57 transitions. [2022-12-13 14:41:26,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 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 14:41:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2022-12-13 14:41:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 14:41:26,693 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:26,693 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:26,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 14:41:26,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 14:41:26,895 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:26,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:26,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1359859333, now seen corresponding path program 2 times [2022-12-13 14:41:26,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:26,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384923237] [2022-12-13 14:41:26,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:26,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 14:41:27,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:27,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384923237] [2022-12-13 14:41:27,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384923237] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:27,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858377558] [2022-12-13 14:41:27,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:41:27,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:27,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:27,191 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:27,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 14:41:27,246 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:41:27,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:41:27,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-13 14:41:27,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 14:41:27,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:41:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 14:41:27,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858377558] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:41:27,517 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:41:27,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-12-13 14:41:27,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275671427] [2022-12-13 14:41:27,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:41:27,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-13 14:41:27,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:27,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-13 14:41:27,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-12-13 14:41:27,520 INFO L87 Difference]: Start difference. First operand 54 states and 57 transitions. Second operand has 34 states, 34 states have (on average 2.3529411764705883) internal successors, (80), 34 states have internal predecessors, (80), 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 14:41:27,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:27,733 INFO L93 Difference]: Finished difference Result 109 states and 122 transitions. [2022-12-13 14:41:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 14:41:27,734 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.3529411764705883) internal successors, (80), 34 states have internal predecessors, (80), 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 51 [2022-12-13 14:41:27,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:27,734 INFO L225 Difference]: With dead ends: 109 [2022-12-13 14:41:27,735 INFO L226 Difference]: Without dead ends: 86 [2022-12-13 14:41:27,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=659, Invalid=1597, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 14:41:27,736 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 76 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:27,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 108 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:41:27,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-12-13 14:41:27,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-12-13 14:41:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 84 states have (on average 1.0595238095238095) internal successors, (89), 85 states have internal predecessors, (89), 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 14:41:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 89 transitions. [2022-12-13 14:41:27,744 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 89 transitions. Word has length 51 [2022-12-13 14:41:27,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:27,744 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 89 transitions. [2022-12-13 14:41:27,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.3529411764705883) internal successors, (80), 34 states have internal predecessors, (80), 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 14:41:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 89 transitions. [2022-12-13 14:41:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 14:41:27,745 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:27,746 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:27,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 14:41:27,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:27,947 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:27,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:27,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1637924251, now seen corresponding path program 3 times [2022-12-13 14:41:27,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:27,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221678687] [2022-12-13 14:41:27,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:27,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 14:41:28,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:28,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221678687] [2022-12-13 14:41:28,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221678687] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:28,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717022271] [2022-12-13 14:41:28,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 14:41:28,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:28,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:28,542 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:28,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 14:41:28,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 14:41:28,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:41:28,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 14:41:28,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2022-12-13 14:41:28,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:41:28,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717022271] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:41:28,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 14:41:28,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2022-12-13 14:41:28,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717225826] [2022-12-13 14:41:28,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:41:28,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:41:28,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:28,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:41:28,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 14:41:28,649 INFO L87 Difference]: Start difference. First operand 86 states and 89 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 14:41:28,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:28,672 INFO L93 Difference]: Finished difference Result 86 states and 89 transitions. [2022-12-13 14:41:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:41:28,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 83 [2022-12-13 14:41:28,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:28,673 INFO L225 Difference]: With dead ends: 86 [2022-12-13 14:41:28,673 INFO L226 Difference]: Without dead ends: 85 [2022-12-13 14:41:28,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 14:41:28,675 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 6 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:28,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 46 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:28,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-12-13 14:41:28,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-12-13 14:41:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.0476190476190477) internal successors, (88), 84 states have internal predecessors, (88), 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 14:41:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 88 transitions. [2022-12-13 14:41:28,680 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 88 transitions. Word has length 83 [2022-12-13 14:41:28,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:28,680 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 88 transitions. [2022-12-13 14:41:28,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 14:41:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2022-12-13 14:41:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-13 14:41:28,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:28,682 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:28,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 14:41:28,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:28,883 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:28,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:28,883 INFO L85 PathProgramCache]: Analyzing trace with hash 763955866, now seen corresponding path program 1 times [2022-12-13 14:41:28,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:28,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467365107] [2022-12-13 14:41:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-13 14:41:29,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:29,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467365107] [2022-12-13 14:41:29,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467365107] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:29,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632565257] [2022-12-13 14:41:29,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:29,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:29,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:29,039 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:29,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 14:41:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:29,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 14:41:29,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:29,474 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 14:41:29,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:41:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 14:41:30,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632565257] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:41:30,065 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:41:30,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 33, 33] total 69 [2022-12-13 14:41:30,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485301325] [2022-12-13 14:41:30,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:41:30,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-12-13 14:41:30,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:30,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-12-13 14:41:30,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1069, Invalid=3623, Unknown=0, NotChecked=0, Total=4692 [2022-12-13 14:41:30,071 INFO L87 Difference]: Start difference. First operand 85 states and 88 transitions. Second operand has 69 states, 69 states have (on average 2.3333333333333335) internal successors, (161), 69 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:31,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:31,347 INFO L93 Difference]: Finished difference Result 186 states and 209 transitions. [2022-12-13 14:41:31,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-12-13 14:41:31,347 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 2.3333333333333335) internal successors, (161), 69 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2022-12-13 14:41:31,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:31,348 INFO L225 Difference]: With dead ends: 186 [2022-12-13 14:41:31,348 INFO L226 Difference]: Without dead ends: 156 [2022-12-13 14:41:31,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4467 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=4205, Invalid=13087, Unknown=0, NotChecked=0, Total=17292 [2022-12-13 14:41:31,351 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 204 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:31,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 97 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 14:41:31,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-13 14:41:31,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2022-12-13 14:41:31,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.0326797385620916) internal successors, (158), 153 states have internal predecessors, (158), 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 14:41:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2022-12-13 14:41:31,357 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 84 [2022-12-13 14:41:31,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:31,357 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2022-12-13 14:41:31,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.3333333333333335) internal successors, (161), 69 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2022-12-13 14:41:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-13 14:41:31,358 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:41:31,358 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:31,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 14:41:31,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:31,560 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 14:41:31,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:41:31,561 INFO L85 PathProgramCache]: Analyzing trace with hash 393250699, now seen corresponding path program 2 times [2022-12-13 14:41:31,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:41:31,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024899761] [2022-12-13 14:41:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:41:31,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:41:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:41:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1902 trivial. 0 not checked. [2022-12-13 14:41:31,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:41:31,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024899761] [2022-12-13 14:41:31,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024899761] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:41:31,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773196818] [2022-12-13 14:41:31,720 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:41:31,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:41:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:41:31,721 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:41:31,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 14:41:31,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 14:41:31,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:41:31,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:41:31,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:41:31,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1899 trivial. 0 not checked. [2022-12-13 14:41:31,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:41:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1899 trivial. 0 not checked. [2022-12-13 14:41:31,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773196818] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:41:31,876 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:41:31,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2022-12-13 14:41:31,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103294018] [2022-12-13 14:41:31,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:41:31,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 14:41:31,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:41:31,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 14:41:31,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-12-13 14:41:31,877 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:32,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:41:32,011 INFO L93 Difference]: Finished difference Result 189 states and 198 transitions. [2022-12-13 14:41:32,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-13 14:41:32,011 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2022-12-13 14:41:32,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:41:32,012 INFO L225 Difference]: With dead ends: 189 [2022-12-13 14:41:32,012 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:41:32,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=246, Invalid=684, Unknown=0, NotChecked=0, Total=930 [2022-12-13 14:41:32,014 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 30 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:41:32,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 89 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:41:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:41:32,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:41:32,015 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 14:41:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:41:32,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2022-12-13 14:41:32,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:41:32,015 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:41:32,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.461538461538462) internal successors, (58), 14 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:41:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:41:32,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:41:32,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 14:41:32,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 14:41:32,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 14:41:32,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 14:41:32,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 14:41:32,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 14:41:32,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 14:41:32,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 14:41:32,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:41:32,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-12-13 14:41:32,435 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 15 32) the Hoare annotation is: true [2022-12-13 14:41:32,435 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:41:32,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2022-12-13 14:41:32,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-13 14:41:32,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:41:32,436 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 30) no Hoare annotation was computed. [2022-12-13 14:41:32,436 INFO L899 garLoopResultBuilder]: For program point L28-3(line 28) no Hoare annotation was computed. [2022-12-13 14:41:32,436 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-12-13 14:41:32,436 INFO L899 garLoopResultBuilder]: For program point L28-4(line 28) no Hoare annotation was computed. [2022-12-13 14:41:32,436 INFO L895 garLoopResultBuilder]: At program point L28-5(lines 28 30) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~j~0#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (< |ULTIMATE.start_main_~i~0#1| 2147483648) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2022-12-13 14:41:32,436 INFO L899 garLoopResultBuilder]: For program point L24-2(lines 24 26) no Hoare annotation was computed. [2022-12-13 14:41:32,436 INFO L899 garLoopResultBuilder]: For program point L28-6(lines 28 30) no Hoare annotation was computed. [2022-12-13 14:41:32,436 INFO L895 garLoopResultBuilder]: At program point L24-4(lines 24 26) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~j~0#1|) (< |ULTIMATE.start_main_~i~0#1| 2147483648) (<= 0 |ULTIMATE.start_main_~i~0#1|)) [2022-12-13 14:41:32,436 INFO L899 garLoopResultBuilder]: For program point L24-5(lines 24 26) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point L20-2(lines 20 22) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point L20-4(line 20) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L895 garLoopResultBuilder]: At program point L20-5(lines 20 22) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~i~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_main_~j~0#1|)))) [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-12-13 14:41:32,437 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:41:32,438 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-12-13 14:41:32,438 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-12-13 14:41:32,438 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-12-13 14:41:32,438 INFO L899 garLoopResultBuilder]: For program point L14-3(line 14) no Hoare annotation was computed. [2022-12-13 14:41:32,441 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:41:32,443 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:41:32,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:41:32 BoogieIcfgContainer [2022-12-13 14:41:32,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:41:32,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:41:32,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:41:32,456 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:41:32,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:41:23" (3/4) ... [2022-12-13 14:41:32,459 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:41:32,468 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 14:41:32,468 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 14:41:32,468 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 14:41:32,468 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:41:32,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:41:32,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:41:32,499 INFO L158 Benchmark]: Toolchain (without parser) took 9350.37ms. Allocated memory was 111.1MB in the beginning and 155.2MB in the end (delta: 44.0MB). Free memory was 59.1MB in the beginning and 83.5MB in the end (delta: -24.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-13 14:41:32,499 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:41:32,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.48ms. Allocated memory was 111.1MB in the beginning and 155.2MB in the end (delta: 44.0MB). Free memory was 58.7MB in the beginning and 126.3MB in the end (delta: -67.6MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-12-13 14:41:32,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.20ms. Allocated memory is still 155.2MB. Free memory was 126.3MB in the beginning and 124.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:41:32,500 INFO L158 Benchmark]: Boogie Preprocessor took 20.83ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 123.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:41:32,500 INFO L158 Benchmark]: RCFGBuilder took 212.46ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 112.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:41:32,500 INFO L158 Benchmark]: TraceAbstraction took 8835.02ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 86.7MB in the end (delta: 25.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2022-12-13 14:41:32,501 INFO L158 Benchmark]: Witness Printer took 43.05ms. Allocated memory is still 155.2MB. Free memory was 86.7MB in the beginning and 83.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:41:32,502 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.48ms. Allocated memory was 111.1MB in the beginning and 155.2MB in the end (delta: 44.0MB). Free memory was 58.7MB in the beginning and 126.3MB in the end (delta: -67.6MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.20ms. Allocated memory is still 155.2MB. Free memory was 126.3MB in the beginning and 124.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.83ms. Allocated memory is still 155.2MB. Free memory was 124.8MB in the beginning and 123.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 212.46ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 112.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 8835.02ms. Allocated memory is still 155.2MB. Free memory was 111.7MB in the beginning and 86.7MB in the end (delta: 25.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Witness Printer took 43.05ms. Allocated memory is still 155.2MB. Free memory was 86.7MB in the beginning and 83.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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, 29 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 14, TraceHistogramMax: 31, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 454 mSDsluCounter, 911 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 652 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 716 IncrementalHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 259 mSDtfsCounter, 716 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1022 GetRequests, 718 SyntacticMatches, 0 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5541 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=13, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 26 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 51 NumberOfFragments, 41 HoareAnnotationTreeSize, 4 FomulaSimplifications, 357 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 883 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1026 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1336 ConstructedInterpolants, 0 QuantifiedInterpolants, 2495 SizeOfPredicates, 32 NumberOfNonLiveVariables, 1093 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 29 InterpolantComputations, 9 PerfectInterpolantSequences, 6742/8398 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 6 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (i == 0 && j == 0) || (i == 0 && 1 <= j) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (1 <= j && i < 2147483648) && 0 <= i - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((1 <= j && 0 <= x + 2147483648) && i < 2147483648) && 0 <= i RESULT: Ultimate proved your program to be correct! [2022-12-13 14:41:32,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee0996a5-56c2-4f75-b90c-dd4abee8e9af/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