./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- 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-5e519f3 [2022-11-03 03:47:26,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:47:26,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:47:26,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:47:26,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:47:26,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:47:26,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:47:26,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:47:26,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:47:26,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:47:26,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:47:26,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:47:26,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:47:26,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:47:26,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:47:26,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:47:26,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:47:26,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:47:26,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:47:26,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:47:26,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:47:26,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:47:26,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:47:26,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:47:26,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:47:26,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:47:26,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:47:26,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:47:26,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:47:26,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:47:26,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:47:26,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:47:26,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:47:26,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:47:26,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:47:26,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:47:26,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:47:26,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:47:26,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:47:26,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:47:26,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:47:26,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 03:47:26,313 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:47:26,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:47:26,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:47:26,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:47:26,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:47:26,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:47:26,323 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:47:26,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:47:26,323 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:47:26,323 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:47:26,324 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:47:26,325 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:47:26,325 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:47:26,325 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:47:26,325 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:47:26,326 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:47:26,326 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:47:26,326 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:47:26,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:47:26,327 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:47:26,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:47:26,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:47:26,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:47:26,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:47:26,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:47:26,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:47:26,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:47:26,339 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 03:47:26,339 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:47:26,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:47:26,339 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:47:26,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:47:26,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:47:26,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:47:26,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:47:26,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:47:26,341 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:47:26,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:47:26,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:47:26,342 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:47:26,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:47:26,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:47:26,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:47:26,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2022-11-03 03:47:26,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:47:26,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:47:26,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:47:26,704 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:47:26,705 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:47:26,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-11-03 03:47:26,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/data/010f93dba/ef313cc7be6f48ed9b276c8d2ef998d3/FLAGa258e3cb3 [2022-11-03 03:47:27,369 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:47:27,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-11-03 03:47:27,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/data/010f93dba/ef313cc7be6f48ed9b276c8d2ef998d3/FLAGa258e3cb3 [2022-11-03 03:47:27,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/data/010f93dba/ef313cc7be6f48ed9b276c8d2ef998d3 [2022-11-03 03:47:27,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:47:27,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:47:27,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:47:27,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:47:27,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:47:27,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:47:27" (1/1) ... [2022-11-03 03:47:27,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a30e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:27, skipping insertion in model container [2022-11-03 03:47:27,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:47:27" (1/1) ... [2022-11-03 03:47:27,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:47:27,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:47:27,974 WARN L230 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_c7d5a5c6-5374-415a-b121-65d5ab2767cd/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-11-03 03:47:27,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:47:27,997 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:47:28,010 WARN L230 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_c7d5a5c6-5374-415a-b121-65d5ab2767cd/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-11-03 03:47:28,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:47:28,035 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:47:28,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28 WrapperNode [2022-11-03 03:47:28,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:47:28,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:47:28,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:47:28,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:47:28,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,080 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2022-11-03 03:47:28,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:47:28,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:47:28,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:47:28,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:47:28,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:47:28,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:47:28,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:47:28,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:47:28,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (1/1) ... [2022-11-03 03:47:28,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:47:28,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:28,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:47:28,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:47:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:47:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:47:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:47:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:47:28,252 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:47:28,253 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:47:28,380 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:47:28,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:47:28,412 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 03:47:28,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:47:28 BoogieIcfgContainer [2022-11-03 03:47:28,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:47:28,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:47:28,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:47:28,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:47:28,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:47:27" (1/3) ... [2022-11-03 03:47:28,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331af6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:47:28, skipping insertion in model container [2022-11-03 03:47:28,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:47:28" (2/3) ... [2022-11-03 03:47:28,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331af6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:47:28, skipping insertion in model container [2022-11-03 03:47:28,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:47:28" (3/3) ... [2022-11-03 03:47:28,424 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark20_conjunctive.i [2022-11-03 03:47:28,442 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:47:28,443 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 03:47:28,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:47:28,506 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c858aae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:47:28,506 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-03 03:47:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:28,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 03:47:28,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:28,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 03:47:28,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:28,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:28,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2092610, now seen corresponding path program 1 times [2022-11-03 03:47:28,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:28,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007117557] [2022-11-03 03:47:28,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:28,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:28,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:28,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007117557] [2022-11-03 03:47:28,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007117557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:47:28,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:47:28,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:47:28,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079989751] [2022-11-03 03:47:28,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:47:28,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:47:28,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:28,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:47:28,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:47:28,762 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:28,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:28,815 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2022-11-03 03:47:28,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:47:28,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-11-03 03:47:28,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:28,826 INFO L225 Difference]: With dead ends: 19 [2022-11-03 03:47:28,826 INFO L226 Difference]: Without dead ends: 14 [2022-11-03 03:47:28,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:47:28,839 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:28,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 10 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:47:28,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-03 03:47:28,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-11-03 03:47:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-03 03:47:28,905 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 4 [2022-11-03 03:47:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:28,905 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-03 03:47:28,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:28,907 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-03 03:47:28,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 03:47:28,907 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:28,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 03:47:28,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:47:28,909 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:28,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:28,910 INFO L85 PathProgramCache]: Analyzing trace with hash 64870960, now seen corresponding path program 1 times [2022-11-03 03:47:28,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:28,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048843355] [2022-11-03 03:47:28,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:28,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:29,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:29,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048843355] [2022-11-03 03:47:29,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048843355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:47:29,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:47:29,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:47:29,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602865556] [2022-11-03 03:47:29,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:47:29,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:47:29,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:29,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:47:29,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:47:29,036 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:29,060 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-03 03:47:29,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:47:29,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-03 03:47:29,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:29,061 INFO L225 Difference]: With dead ends: 15 [2022-11-03 03:47:29,061 INFO L226 Difference]: Without dead ends: 14 [2022-11-03 03:47:29,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:47:29,063 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:29,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:47:29,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-03 03:47:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-03 03:47:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.4) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-03 03:47:29,069 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2022-11-03 03:47:29,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:29,069 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-03 03:47:29,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-03 03:47:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-03 03:47:29,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:29,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-03 03:47:29,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:47:29,071 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:29,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:29,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2010999812, now seen corresponding path program 1 times [2022-11-03 03:47:29,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:29,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927592344] [2022-11-03 03:47:29,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:29,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:29,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:29,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:29,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927592344] [2022-11-03 03:47:29,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927592344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:47:29,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:47:29,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:47:29,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810449877] [2022-11-03 03:47:29,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:47:29,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:47:29,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:29,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:47:29,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:47:29,136 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:29,181 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-11-03 03:47:29,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:47:29,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-03 03:47:29,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:29,183 INFO L225 Difference]: With dead ends: 18 [2022-11-03 03:47:29,183 INFO L226 Difference]: Without dead ends: 17 [2022-11-03 03:47:29,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:47:29,185 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:29,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:47:29,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-03 03:47:29,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-03 03:47:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-03 03:47:29,190 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 6 [2022-11-03 03:47:29,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:29,190 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-03 03:47:29,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-03 03:47:29,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 03:47:29,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:29,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:47:29,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:47:29,192 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:29,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:29,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2083515214, now seen corresponding path program 1 times [2022-11-03 03:47:29,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:29,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950918457] [2022-11-03 03:47:29,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:29,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:29,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:29,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950918457] [2022-11-03 03:47:29,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950918457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:47:29,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:47:29,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:47:29,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822694829] [2022-11-03 03:47:29,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:47:29,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:47:29,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:29,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:47:29,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:47:29,255 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:29,282 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-03 03:47:29,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:47:29,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-03 03:47:29,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:29,284 INFO L225 Difference]: With dead ends: 15 [2022-11-03 03:47:29,284 INFO L226 Difference]: Without dead ends: 14 [2022-11-03 03:47:29,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:47:29,286 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:29,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:47:29,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-03 03:47:29,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-03 03:47:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-03 03:47:29,290 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2022-11-03 03:47:29,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:29,291 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-03 03:47:29,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-03 03:47:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-03 03:47:29,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:29,292 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:47:29,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:47:29,293 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:29,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:29,293 INFO L85 PathProgramCache]: Analyzing trace with hash -803359244, now seen corresponding path program 1 times [2022-11-03 03:47:29,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:29,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259919014] [2022-11-03 03:47:29,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:29,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:29,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:29,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259919014] [2022-11-03 03:47:29,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259919014] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:47:29,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948051825] [2022-11-03 03:47:29,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:29,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:29,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:29,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:29,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:47:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:29,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:47:29,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:29,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:47:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:29,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948051825] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:47:29,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [195167311] [2022-11-03 03:47:29,823 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:47:29,824 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:47:29,834 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:47:29,843 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:47:29,843 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:47:30,357 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:47:30,929 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '234#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 (+ 2147483647 |ULTIMATE.start_main_~i~0#1|)) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:47:30,929 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:47:30,929 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:47:30,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2022-11-03 03:47:30,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055618007] [2022-11-03 03:47:30,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:47:30,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 03:47:30,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:30,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 03:47:30,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:47:30,932 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 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) [2022-11-03 03:47:31,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:31,059 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-03 03:47:31,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:47:31,059 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 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 9 [2022-11-03 03:47:31,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:31,064 INFO L225 Difference]: With dead ends: 25 [2022-11-03 03:47:31,064 INFO L226 Difference]: Without dead ends: 24 [2022-11-03 03:47:31,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2022-11-03 03:47:31,072 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 15 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:31,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 6 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:47:31,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-03 03:47:31,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2022-11-03 03:47:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-11-03 03:47:31,083 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 9 [2022-11-03 03:47:31,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:31,084 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-03 03:47:31,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.5) internal successors, (25), 11 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) [2022-11-03 03:47:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-03 03:47:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:47:31,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:31,085 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-03 03:47:31,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:47:31,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:31,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:31,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:31,287 INFO L85 PathProgramCache]: Analyzing trace with hash 865667262, now seen corresponding path program 1 times [2022-11-03 03:47:31,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:31,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647829018] [2022-11-03 03:47:31,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:31,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:31,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:31,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647829018] [2022-11-03 03:47:31,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647829018] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:47:31,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274874410] [2022-11-03 03:47:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:31,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:31,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:31,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:31,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:47:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:31,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:47:31,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:31,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:31,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:47:31,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274874410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:47:31,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:47:31,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2022-11-03 03:47:31,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086152556] [2022-11-03 03:47:31,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:47:31,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:47:31,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:31,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:47:31,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:47:31,532 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:31,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:31,587 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-03 03:47:31,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:47:31,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-03 03:47:31,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:31,591 INFO L225 Difference]: With dead ends: 22 [2022-11-03 03:47:31,591 INFO L226 Difference]: Without dead ends: 21 [2022-11-03 03:47:31,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-03 03:47:31,600 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 5 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:31,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:47:31,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-03 03:47:31,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-03 03:47:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-11-03 03:47:31,607 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 10 [2022-11-03 03:47:31,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:31,608 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-11-03 03:47:31,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-03 03:47:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-03 03:47:31,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:31,609 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-11-03 03:47:31,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:47:31,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 03:47:31,826 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:31,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:31,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1065881398, now seen corresponding path program 1 times [2022-11-03 03:47:31,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:31,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189449205] [2022-11-03 03:47:31,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:31,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:31,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:31,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189449205] [2022-11-03 03:47:31,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189449205] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:47:31,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464516157] [2022-11-03 03:47:31,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:31,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:31,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:31,931 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:31,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:47:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:31,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 03:47:31,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:32,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:32,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:47:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:32,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464516157] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:47:32,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2138545042] [2022-11-03 03:47:32,070 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:47:32,070 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:47:32,070 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:47:32,070 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:47:32,071 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:47:32,298 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:47:33,051 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '461#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (<= 0 |ULTIMATE.start_main_~sum~0#1|) (< 2147483646 |ULTIMATE.start_main_#t~post4#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:47:33,052 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:47:33,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:47:33,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-11-03 03:47:33,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020274690] [2022-11-03 03:47:33,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:47:33,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 03:47:33,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:33,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 03:47:33,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-11-03 03:47:33,054 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:33,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:33,171 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2022-11-03 03:47:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 03:47:33,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-03 03:47:33,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:33,175 INFO L225 Difference]: With dead ends: 31 [2022-11-03 03:47:33,175 INFO L226 Difference]: Without dead ends: 30 [2022-11-03 03:47:33,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2022-11-03 03:47:33,177 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 15 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:33,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 9 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:47:33,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-03 03:47:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2022-11-03 03:47:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2022-11-03 03:47:33,194 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 11 [2022-11-03 03:47:33,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:33,194 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2022-11-03 03:47:33,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-11-03 03:47:33,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 03:47:33,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:33,196 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1] [2022-11-03 03:47:33,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:47:33,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:33,409 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:33,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:33,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1075330740, now seen corresponding path program 2 times [2022-11-03 03:47:33,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:33,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357876093] [2022-11-03 03:47:33,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:33,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:33,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357876093] [2022-11-03 03:47:33,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357876093] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:47:33,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17755344] [2022-11-03 03:47:33,635 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:47:33,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:33,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:33,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:33,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:47:33,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-03 03:47:33,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:47:33,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:47:33,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:33,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:47:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:34,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17755344] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:47:34,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1835083259] [2022-11-03 03:47:34,123 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:47:34,123 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:47:34,123 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:47:34,124 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:47:34,124 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:47:34,325 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:47:35,190 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '676#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:47:35,191 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:47:35,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:47:35,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2022-11-03 03:47:35,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912533912] [2022-11-03 03:47:35,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:47:35,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-03 03:47:35,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:35,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-03 03:47:35,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2022-11-03 03:47:35,193 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 23 states, 22 states have (on average 2.5) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:35,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:35,869 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2022-11-03 03:47:35,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-03 03:47:35,870 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.5) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-03 03:47:35,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:35,870 INFO L225 Difference]: With dead ends: 44 [2022-11-03 03:47:35,871 INFO L226 Difference]: Without dead ends: 43 [2022-11-03 03:47:35,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=315, Invalid=1665, Unknown=0, NotChecked=0, Total=1980 [2022-11-03 03:47:35,873 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:35,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 2 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:47:35,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-03 03:47:35,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2022-11-03 03:47:35,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2022-11-03 03:47:35,879 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 19 [2022-11-03 03:47:35,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:35,879 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2022-11-03 03:47:35,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.5) internal successors, (55), 23 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:35,879 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2022-11-03 03:47:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 03:47:35,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:35,880 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1] [2022-11-03 03:47:35,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:47:36,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:36,101 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:36,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:36,101 INFO L85 PathProgramCache]: Analyzing trace with hash 953924228, now seen corresponding path program 2 times [2022-11-03 03:47:36,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:36,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371989370] [2022-11-03 03:47:36,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:36,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:36,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:36,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371989370] [2022-11-03 03:47:36,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371989370] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:47:36,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65276664] [2022-11-03 03:47:36,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:47:36,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:36,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:36,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:36,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:47:36,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-03 03:47:36,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:47:36,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:47:36,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:47:36,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:47:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-03 03:47:36,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65276664] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:47:36,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [982173649] [2022-11-03 03:47:36,481 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:47:36,481 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:47:36,482 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:47:36,482 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:47:36,482 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:47:36,664 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:47:37,428 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '982#(and (<= |ULTIMATE.start_main_~n~0#1| 100) (<= 0 |ULTIMATE.start_main_~sum~0#1|) (< 2147483646 |ULTIMATE.start_main_#t~post4#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~n~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:47:37,429 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:47:37,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:47:37,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2022-11-03 03:47:37,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761227613] [2022-11-03 03:47:37,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:47:37,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-03 03:47:37,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:37,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-03 03:47:37,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2022-11-03 03:47:37,431 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:37,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:37,714 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2022-11-03 03:47:37,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 03:47:37,714 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 03:47:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:37,715 INFO L225 Difference]: With dead ends: 41 [2022-11-03 03:47:37,715 INFO L226 Difference]: Without dead ends: 40 [2022-11-03 03:47:37,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=314, Invalid=1092, Unknown=0, NotChecked=0, Total=1406 [2022-11-03 03:47:37,717 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:37,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 0 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:47:37,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-03 03:47:37,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-03 03:47:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2022-11-03 03:47:37,723 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 26 [2022-11-03 03:47:37,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:37,723 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2022-11-03 03:47:37,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:37,724 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2022-11-03 03:47:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-03 03:47:37,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:37,725 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 1, 1, 1] [2022-11-03 03:47:37,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:47:37,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:37,941 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:37,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:37,942 INFO L85 PathProgramCache]: Analyzing trace with hash 237862964, now seen corresponding path program 3 times [2022-11-03 03:47:37,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:37,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089597958] [2022-11-03 03:47:37,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:37,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:38,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:38,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089597958] [2022-11-03 03:47:38,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089597958] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:47:38,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37971086] [2022-11-03 03:47:38,334 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 03:47:38,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:38,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:38,341 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:38,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 03:47:38,404 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 03:47:38,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:47:38,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-03 03:47:38,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:38,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:47:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:39,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37971086] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:47:39,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1024444454] [2022-11-03 03:47:39,618 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:47:39,619 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:47:39,619 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:47:39,619 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:47:39,619 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:47:39,802 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:47:40,980 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1387#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:47:40,980 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:47:40,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:47:40,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 46 [2022-11-03 03:47:40,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864443504] [2022-11-03 03:47:40,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:47:40,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-11-03 03:47:40,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:40,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-11-03 03:47:40,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=2579, Unknown=0, NotChecked=0, Total=2862 [2022-11-03 03:47:40,985 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand has 47 states, 46 states have (on average 2.5) internal successors, (115), 47 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:42,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:42,936 INFO L93 Difference]: Finished difference Result 81 states and 88 transitions. [2022-11-03 03:47:42,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-03 03:47:42,937 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 2.5) internal successors, (115), 47 states have internal predecessors, (115), 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 39 [2022-11-03 03:47:42,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:42,938 INFO L225 Difference]: With dead ends: 81 [2022-11-03 03:47:42,938 INFO L226 Difference]: Without dead ends: 80 [2022-11-03 03:47:42,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1267 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=977, Invalid=5665, Unknown=0, NotChecked=0, Total=6642 [2022-11-03 03:47:42,942 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 88 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:42,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 3 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 03:47:42,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-03 03:47:42,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-03 03:47:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.0126582278481013) internal successors, (80), 79 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) [2022-11-03 03:47:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2022-11-03 03:47:42,953 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 39 [2022-11-03 03:47:42,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:42,953 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2022-11-03 03:47:42,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 2.5) internal successors, (115), 47 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2022-11-03 03:47:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-03 03:47:42,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:42,956 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 1, 1, 1] [2022-11-03 03:47:42,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-03 03:47:43,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:43,181 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:43,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:43,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1923662644, now seen corresponding path program 4 times [2022-11-03 03:47:43,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:43,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598716124] [2022-11-03 03:47:43,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:43,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:44,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:47:44,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598716124] [2022-11-03 03:47:44,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598716124] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:47:44,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799201819] [2022-11-03 03:47:44,537 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 03:47:44,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:47:44,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:47:44,540 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:47:44,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 03:47:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:47:44,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-03 03:47:44,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:47:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:46,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:47:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:47:48,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799201819] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:47:48,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2078517102] [2022-11-03 03:47:48,502 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:47:48,502 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:47:48,502 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:47:48,502 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:47:48,502 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:47:48,639 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:47:50,139 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2206#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:47:50,139 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:47:50,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:47:50,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 94 [2022-11-03 03:47:50,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001098374] [2022-11-03 03:47:50,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:47:50,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-11-03 03:47:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:47:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-11-03 03:47:50,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=931, Invalid=9371, Unknown=0, NotChecked=0, Total=10302 [2022-11-03 03:47:50,144 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand has 95 states, 94 states have (on average 2.5) internal successors, (235), 95 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:57,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:47:57,164 INFO L93 Difference]: Finished difference Result 161 states and 176 transitions. [2022-11-03 03:47:57,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-11-03 03:47:57,165 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 94 states have (on average 2.5) internal successors, (235), 95 states have internal predecessors, (235), 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 79 [2022-11-03 03:47:57,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:47:57,166 INFO L225 Difference]: With dead ends: 161 [2022-11-03 03:47:57,167 INFO L226 Difference]: Without dead ends: 160 [2022-11-03 03:47:57,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4919 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=3789, Invalid=22293, Unknown=0, NotChecked=0, Total=26082 [2022-11-03 03:47:57,174 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 248 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 3292 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 3292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:47:57,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 3 Invalid, 3510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 3292 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 03:47:57,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-03 03:47:57,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-11-03 03:47:57,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.0062893081761006) internal successors, (160), 159 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 160 transitions. [2022-11-03 03:47:57,189 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 160 transitions. Word has length 79 [2022-11-03 03:47:57,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:47:57,190 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 160 transitions. [2022-11-03 03:47:57,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 2.5) internal successors, (235), 95 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:47:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 160 transitions. [2022-11-03 03:47:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-03 03:47:57,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:47:57,194 INFO L195 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 1, 1, 1] [2022-11-03 03:47:57,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 03:47:57,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-03 03:47:57,398 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:47:57,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:47:57,398 INFO L85 PathProgramCache]: Analyzing trace with hash -480097996, now seen corresponding path program 5 times [2022-11-03 03:47:57,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:47:57,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761746832] [2022-11-03 03:47:57,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:47:57,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:47:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2387 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:02,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:48:02,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761746832] [2022-11-03 03:48:02,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761746832] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:48:02,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919369501] [2022-11-03 03:48:02,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:48:02,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:48:02,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:48:02,213 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:48:02,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 03:48:02,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2022-11-03 03:48:02,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:48:02,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-03 03:48:02,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2387 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:08,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:48:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2387 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:19,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919369501] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:48:19,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [6729127] [2022-11-03 03:48:19,506 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:48:19,506 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:48:19,507 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:48:19,507 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:48:19,507 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:48:19,650 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:48:22,559 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3857#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:48:22,559 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:48:22,559 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:48:22,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 190 [2022-11-03 03:48:22,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756324076] [2022-11-03 03:48:22,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:48:22,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-11-03 03:48:22,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:48:22,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-11-03 03:48:22,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2445, Invalid=36561, Unknown=0, NotChecked=0, Total=39006 [2022-11-03 03:48:22,566 INFO L87 Difference]: Start difference. First operand 160 states and 160 transitions. Second operand has 191 states, 190 states have (on average 2.5) internal successors, (475), 191 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:50:21,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:50:21,480 INFO L93 Difference]: Finished difference Result 321 states and 352 transitions. [2022-11-03 03:50:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-11-03 03:50:21,481 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 190 states have (on average 2.5) internal successors, (475), 191 states have internal predecessors, (475), 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 159 [2022-11-03 03:50:21,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:50:21,483 INFO L225 Difference]: With dead ends: 321 [2022-11-03 03:50:21,484 INFO L226 Difference]: Without dead ends: 320 [2022-11-03 03:50:21,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 374 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25599 ImplicationChecksByTransitivity, 129.8s TimeCoverageRelationStatistics Valid=20422, Invalid=120578, Unknown=0, NotChecked=0, Total=141000 [2022-11-03 03:50:21,500 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2219 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16389 mSolverCounterSat, 1612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 18001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 16389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:50:21,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 2 Invalid, 18001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 16389 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-11-03 03:50:21,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-11-03 03:50:21,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2022-11-03 03:50:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 319 states have (on average 1.0031347962382444) internal successors, (320), 319 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:50:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 320 transitions. [2022-11-03 03:50:21,561 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 320 transitions. Word has length 159 [2022-11-03 03:50:21,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:50:21,562 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 320 transitions. [2022-11-03 03:50:21,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 190 states have (on average 2.5) internal successors, (475), 191 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:50:21,562 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 320 transitions. [2022-11-03 03:50:21,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-11-03 03:50:21,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:50:21,572 INFO L195 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 1, 1, 1] [2022-11-03 03:50:21,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-03 03:50:21,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-03 03:50:21,773 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:50:21,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:50:21,773 INFO L85 PathProgramCache]: Analyzing trace with hash 400643380, now seen corresponding path program 6 times [2022-11-03 03:50:21,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:50:21,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318587198] [2022-11-03 03:50:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:50:21,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:50:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:50:40,179 INFO L134 CoverageAnalysis]: Checked inductivity of 9891 backedges. 0 proven. 9891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:50:40,179 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:50:40,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318587198] [2022-11-03 03:50:40,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318587198] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:50:40,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861684836] [2022-11-03 03:50:40,179 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 03:50:40,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:50:40,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:50:40,180 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:50:40,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-03 03:50:40,338 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 03:50:40,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:50:40,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 192 conjunts are in the unsatisfiable core [2022-11-03 03:50:40,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:51:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 9891 backedges. 0 proven. 9891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:51:01,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:51:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 9891 backedges. 0 proven. 9891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:51:30,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861684836] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:51:30,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [120067875] [2022-11-03 03:51:30,805 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-03 03:51:30,805 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:51:30,805 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:51:30,805 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:51:30,805 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:51:30,910 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:51:34,873 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7280#(and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 100) (< |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~n~0#1|) (not (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 2147483647)) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:51:34,873 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:51:34,873 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:51:34,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 382 [2022-11-03 03:51:34,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438362565] [2022-11-03 03:51:34,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:51:34,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 383 states [2022-11-03 03:51:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:34,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 383 interpolants. [2022-11-03 03:51:34,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12883, Invalid=138827, Unknown=0, NotChecked=0, Total=151710 [2022-11-03 03:51:34,886 INFO L87 Difference]: Start difference. First operand 320 states and 320 transitions. Second operand has 383 states, 382 states have (on average 2.5) internal successors, (955), 383 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:54:41,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:54:41,696 INFO L93 Difference]: Finished difference Result 641 states and 704 transitions. [2022-11-03 03:54:41,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-11-03 03:54:41,698 INFO L78 Accepts]: Start accepts. Automaton has has 383 states, 382 states have (on average 2.5) internal successors, (955), 383 states have internal predecessors, (955), 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 319 [2022-11-03 03:54:41,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:54:41,700 INFO L225 Difference]: With dead ends: 641 [2022-11-03 03:54:41,700 INFO L226 Difference]: Without dead ends: 640 [2022-11-03 03:54:41,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1335 GetRequests, 695 SyntacticMatches, 0 SemanticMatches, 640 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76559 ImplicationChecksByTransitivity, 222.5s TimeCoverageRelationStatistics Valid=59637, Invalid=351885, Unknown=0, NotChecked=0, Total=411522 [2022-11-03 03:54:41,719 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3039 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 53743 mSolverCounterSat, 2921 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3039 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 56664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2921 IncrementalHoareTripleChecker+Valid, 53743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:54:41,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3039 Valid, 3 Invalid, 56664 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2921 Valid, 53743 Invalid, 0 Unknown, 0 Unchecked, 24.0s Time] [2022-11-03 03:54:41,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-11-03 03:54:41,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 640. [2022-11-03 03:54:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 639 states have (on average 1.001564945226917) internal successors, (640), 639 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:54:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 640 transitions. [2022-11-03 03:54:41,792 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 640 transitions. Word has length 319 [2022-11-03 03:54:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:54:41,793 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 640 transitions. [2022-11-03 03:54:41,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 383 states, 382 states have (on average 2.5) internal successors, (955), 383 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:54:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 640 transitions. [2022-11-03 03:54:41,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-11-03 03:54:41,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:54:41,813 INFO L195 NwaCegarLoop]: trace histogram [128, 127, 127, 127, 127, 1, 1, 1] [2022-11-03 03:54:41,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-03 03:54:42,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-03 03:54:42,026 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-03 03:54:42,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:54:42,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1829727540, now seen corresponding path program 7 times [2022-11-03 03:54:42,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:54:42,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706753970] [2022-11-03 03:54:42,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:54:42,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:54:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 40259 backedges. 0 proven. 40259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:55:50,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:55:50,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706753970] [2022-11-03 03:55:50,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706753970] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:55:50,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572081114] [2022-11-03 03:55:50,310 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-03 03:55:50,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:55:50,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:55:50,312 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:55:50,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-03 03:55:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:55:50,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 203 conjunts are in the unsatisfiable core [2022-11-03 03:55:50,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:56:53,754 INFO L134 CoverageAnalysis]: Checked inductivity of 40259 backedges. 38477 proven. 0 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2022-11-03 03:56:53,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:56:53,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572081114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:56:53,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:56:53,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [203] imperfect sequences [256] total 458 [2022-11-03 03:56:53,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406305659] [2022-11-03 03:56:53,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:56:53,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2022-11-03 03:56:53,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:56:53,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2022-11-03 03:56:53,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10913, Invalid=198393, Unknown=0, NotChecked=0, Total=209306 [2022-11-03 03:56:53,771 INFO L87 Difference]: Start difference. First operand 640 states and 640 transitions. Second operand has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:12,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:57:12,366 INFO L93 Difference]: Finished difference Result 640 states and 640 transitions. [2022-11-03 03:57:12,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2022-11-03 03:57:12,373 INFO L78 Accepts]: Start accepts. Automaton has has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 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 639 [2022-11-03 03:57:12,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:57:12,375 INFO L225 Difference]: With dead ends: 640 [2022-11-03 03:57:12,375 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:57:12,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 994 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 556 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19701 ImplicationChecksByTransitivity, 109.8s TimeCoverageRelationStatistics Valid=26163, Invalid=284643, Unknown=0, NotChecked=0, Total=310806 [2022-11-03 03:57:12,394 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 200 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4325 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 4326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:57:12,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1 Invalid, 4326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4325 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 03:57:12,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:57:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:57:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:57:12,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 639 [2022-11-03 03:57:12,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:57:12,397 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:57:12,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:57:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:57:12,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:57:12,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-03 03:57:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-03 03:57:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-03 03:57:12,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-03 03:57:12,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-03 03:57:12,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:57:12,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:57:21,359 WARN L234 SmtUtils]: Spent 7.45s on a formula simplification. DAG size of input: 1248 DAG size of output: 679 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-03 03:57:21,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-11-03 03:57:21,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:57:21,380 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-11-03 03:57:21,381 INFO L902 garLoopResultBuilder]: At program point L29(lines 19 30) the Hoare annotation is: true [2022-11-03 03:57:21,381 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-03 03:57:21,381 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-11-03 03:57:21,381 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2022-11-03 03:57:21,381 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-11-03 03:57:21,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2022-11-03 03:57:21,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 03:57:21,382 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2022-11-03 03:57:21,382 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2022-11-03 03:57:21,389 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 27) the Hoare annotation is: (let ((.cse16 (* 7 |ULTIMATE.start_main_~i~0#1|))) (let ((.cse4 (* |ULTIMATE.start_main_~i~0#1| 10)) (.cse6 (<= (+ 115 |ULTIMATE.start_main_~sum~0#1|) (* 16 |ULTIMATE.start_main_~i~0#1|))) (.cse3 (* |ULTIMATE.start_main_~i~0#1| 11)) (.cse8 (* |ULTIMATE.start_main_~i~0#1| 4)) (.cse9 (<= (+ 7 |ULTIMATE.start_main_~sum~0#1|) .cse16)) (.cse2 (<= (+ 150 |ULTIMATE.start_main_~sum~0#1|) (* |ULTIMATE.start_main_~i~0#1| 18))) (.cse7 (+ (* 7 |ULTIMATE.start_main_~n~0#1|) |ULTIMATE.start_main_~sum~0#1|)) (.cse13 (* 2 |ULTIMATE.start_main_~i~0#1|)) (.cse10 (* |ULTIMATE.start_main_~i~0#1| 8)) (.cse5 (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~n~0#1| 63))) (.cse15 (<= (+ |ULTIMATE.start_main_~sum~0#1| 70) (* |ULTIMATE.start_main_~i~0#1| 13))) (.cse11 (<= (+ |ULTIMATE.start_main_~sum~0#1| 210) (* 21 |ULTIMATE.start_main_~i~0#1|))) (.cse12 (+ (* |ULTIMATE.start_main_~n~0#1| 15) |ULTIMATE.start_main_~sum~0#1|)) (.cse14 (<= (+ |ULTIMATE.start_main_~sum~0#1| 99) (* |ULTIMATE.start_main_~i~0#1| 15))) (.cse0 (<= |ULTIMATE.start_main_~n~0#1| 100)) (.cse1 (<= 0 |ULTIMATE.start_main_~sum~0#1|))) (or (and .cse0 .cse1 (< (+ (* 47 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482567) (<= 80 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 12) .cse0 .cse1 .cse2) (and (<= |ULTIMATE.start_main_~i~0#1| 58) (<= 58 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1653)) (and (<= |ULTIMATE.start_main_~i~0#1| 45) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 990) (<= 45 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 38) .cse0 .cse1 (<= 38 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 703)) (and .cse0 (<= 42 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 861) (<= |ULTIMATE.start_main_~i~0#1| 42)) (and (<= 35 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 595) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 35)) (and .cse0 .cse1 (<= 27 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 27) (<= |ULTIMATE.start_main_~sum~0#1| 351)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 60)) 2147481878) (<= 67 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 19) .cse1 (<= 19 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 171)) (and .cse0 .cse1 (<= 74 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* 53 |ULTIMATE.start_main_~i~0#1|)) 2147482270)) (and (< (+ (* 57 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482052) .cse0 .cse1 (<= 70 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ |ULTIMATE.start_main_~sum~0#1| (* 51 |ULTIMATE.start_main_~i~0#1|)) 2147482373) .cse0 (<= 76 |ULTIMATE.start_main_~i~0#1|) .cse1) (and (<= (+ 45 |ULTIMATE.start_main_~sum~0#1|) .cse3) .cse0 .cse1 (<= 18 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 18)) (and .cse0 (<= 17 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= (+ 34 |ULTIMATE.start_main_~sum~0#1|) .cse4) (<= |ULTIMATE.start_main_~i~0#1| 17)) (and .cse0 (<= 91 |ULTIMATE.start_main_~i~0#1|) .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 36) |ULTIMATE.start_main_~sum~0#1|) 2147483018)) (and (<= |ULTIMATE.start_main_~i~0#1| 62) .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 1891) .cse1 (<= 62 |ULTIMATE.start_main_~i~0#1|)) (and (<= 82 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 45) |ULTIMATE.start_main_~sum~0#1|) 2147482658)) (and .cse0 .cse1 (<= 93 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 34)) 2147483087)) (and (<= |ULTIMATE.start_main_~sum~0#1| 496) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 32) (<= 32 |ULTIMATE.start_main_~i~0#1|)) (and (<= 90 |ULTIMATE.start_main_~i~0#1|) (< (+ (* |ULTIMATE.start_main_~i~0#1| 37) |ULTIMATE.start_main_~sum~0#1|) 2147482982) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~i~0#1| 16) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 120) (<= 16 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< (+ (* 30 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483213) .cse1 (<= 97 |ULTIMATE.start_main_~i~0#1|)) (and (<= 55 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1485) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 55)) (and .cse0 .cse1 (<= 26 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 26) (<= |ULTIMATE.start_main_~sum~0#1| 325)) (and .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 54) |ULTIMATE.start_main_~sum~0#1|) 2147482217) (<= 73 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 31) (<= 31 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 465)) (and .cse0 .cse1 (<= 50 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 50) (<= |ULTIMATE.start_main_~sum~0#1| 1225)) (and (<= 44 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 946) (<= |ULTIMATE.start_main_~i~0#1| 44)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 57) (<= 57 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1596)) (and (<= |ULTIMATE.start_main_~i~0#1| 10) .cse1 (<= .cse5 (+ .cse4 6245)) .cse6) (and .cse0 .cse1 (<= 94 |ULTIMATE.start_main_~i~0#1|) (< (+ (* |ULTIMATE.start_main_~i~0#1| 33) |ULTIMATE.start_main_~sum~0#1|) 2147483120)) (and (<= 66 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 61) |ULTIMATE.start_main_~sum~0#1|) 2147481818)) (and .cse0 .cse1 (<= 59 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1711) (<= |ULTIMATE.start_main_~i~0#1| 59)) (and (<= |ULTIMATE.start_main_~i~0#1| 63) .cse0 .cse1 (<= 63 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1953)) (and (< (+ (* 46 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482613) .cse0 .cse1 (<= 81 |ULTIMATE.start_main_~i~0#1|)) (and (<= 64 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 63) |ULTIMATE.start_main_~sum~0#1|) 2147481695)) (and (<= |ULTIMATE.start_main_~i~0#1| 56) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1540) (<= 56 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 4) (<= |ULTIMATE.start_main_~sum~0#1| 6) (<= .cse7 (+ 690 .cse8)) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 23) .cse0 (<= 23 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse6) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 528) (<= 33 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 33)) (and .cse1 (<= .cse7 (+ |ULTIMATE.start_main_~i~0#1| 699)) (<= |ULTIMATE.start_main_~i~0#1| 1) .cse9) (and (<= |ULTIMATE.start_main_~i~0#1| 40) (<= 40 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 780)) (and (<= |ULTIMATE.start_main_~sum~0#1| 1431) .cse0 .cse1 (<= 54 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 54)) (and (<= |ULTIMATE.start_main_~i~0#1| 37) (<= 37 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 666)) (and (<= 86 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* 41 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482828)) (and (<= |ULTIMATE.start_main_~i~0#1| 29) (<= 29 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 406)) (and (< (+ (* 31 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483183) .cse0 .cse1 (<= 96 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 87 |ULTIMATE.start_main_~i~0#1|) (< (+ |ULTIMATE.start_main_~sum~0#1| (* 40 |ULTIMATE.start_main_~i~0#1|)) 2147482868)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 27)) 2147483297) (<= 100 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 11) .cse1 (<= .cse5 (+ .cse3 6234)) (<= |ULTIMATE.start_main_~sum~0#1| (+ .cse8 11)) (<= 11 |ULTIMATE.start_main_~i~0#1|)) (and (<= 43 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 43) (<= |ULTIMATE.start_main_~sum~0#1| 903)) (and (< (+ (* 29 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483242) .cse0 .cse1 (<= 98 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 14 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 14) .cse9) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1081) (<= 47 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 47)) (and (<= 49 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1176) (<= |ULTIMATE.start_main_~i~0#1| 49)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 6) (<= |ULTIMATE.start_main_~sum~0#1| 15) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= 79 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 48) |ULTIMATE.start_main_~sum~0#1|) 2147482520)) (and (< (+ (* 32 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483152) .cse0 .cse1 (<= 95 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 8) (<= 8 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| (+ |ULTIMATE.start_main_~i~0#1| 20)) (<= .cse5 (+ .cse10 6264))) (and (<= 21 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 210) (<= |ULTIMATE.start_main_~i~0#1| 21)) (and .cse0 (<= 88 |ULTIMATE.start_main_~i~0#1|) .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 39) |ULTIMATE.start_main_~sum~0#1|) 2147482907)) (and .cse0 (<= 60 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= |ULTIMATE.start_main_~i~0#1| 60) (<= |ULTIMATE.start_main_~sum~0#1| 1770)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 25) .cse2 (<= 25 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~sum~0#1| 820) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 41) (<= 41 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= (+ |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~sum~0#1|) 0) (<= .cse7 700)) (and (<= 51 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 51) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1275)) (and (<= 28 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 28) .cse0 .cse1 .cse11) (and (<= 72 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* |ULTIMATE.start_main_~i~0#1| 55) |ULTIMATE.start_main_~sum~0#1|) 2147482163)) (and .cse0 .cse1 (<= 78 |ULTIMATE.start_main_~i~0#1|) (< (+ (* 49 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482472)) (and (<= |ULTIMATE.start_main_~i~0#1| 13) .cse0 .cse1 (<= (+ 169 |ULTIMATE.start_main_~sum~0#1|) (* 19 |ULTIMATE.start_main_~i~0#1|))) (and .cse0 (< (+ (* |ULTIMATE.start_main_~i~0#1| 58) |ULTIMATE.start_main_~sum~0#1|) 2147481995) .cse1 (<= 69 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 53) (<= 53 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 1378)) (and (<= |ULTIMATE.start_main_~i~0#1| 3) .cse1 (<= .cse12 (+ 1494 (* 3 |ULTIMATE.start_main_~i~0#1|))) (<= (+ 3 |ULTIMATE.start_main_~sum~0#1|) .cse13)) (and .cse0 (< (+ (* |ULTIMATE.start_main_~i~0#1| 43) |ULTIMATE.start_main_~sum~0#1|) 2147482745) .cse1 (<= 84 |ULTIMATE.start_main_~i~0#1|)) (and (<= 36 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 630) (<= |ULTIMATE.start_main_~i~0#1| 36)) (and (<= |ULTIMATE.start_main_~i~0#1| 52) .cse0 (<= |ULTIMATE.start_main_~sum~0#1| 1326) .cse1 (<= 52 |ULTIMATE.start_main_~i~0#1|)) (and (<= 92 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< (+ (* 35 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147483053)) (and .cse0 .cse1 (< (+ (* 44 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482702) (<= 83 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (< (+ (* 42 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482787) .cse1 (<= 85 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ (* 52 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482322) .cse0 .cse1 (<= 75 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= 39 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 741) (<= |ULTIMATE.start_main_~i~0#1| 39)) (and .cse0 .cse1 (< (+ (* 59 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147481937) (<= 68 |ULTIMATE.start_main_~i~0#1|)) (and (<= 30 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 30) .cse0 .cse1 (<= |ULTIMATE.start_main_~sum~0#1| 435)) (and (< (+ (* |ULTIMATE.start_main_~i~0#1| 50) |ULTIMATE.start_main_~sum~0#1|) 2147482423) .cse0 .cse1 (<= 77 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 24) (<= 24 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 276)) (and .cse0 (<= |ULTIMATE.start_main_~i~0#1| 48) .cse1 (<= 48 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 1128)) (and .cse1 (<= |ULTIMATE.start_main_~i~0#1| 2) (<= .cse5 (+ 6297 .cse13)) (<= (+ 15 |ULTIMATE.start_main_~sum~0#1|) .cse10)) (and (<= .cse5 (+ 6255 (* 9 |ULTIMATE.start_main_~i~0#1|))) .cse1 .cse14 (<= |ULTIMATE.start_main_~i~0#1| 9)) (and .cse0 .cse1 (<= 65 |ULTIMATE.start_main_~i~0#1|) (< (+ (* 62 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147481757)) (and .cse0 .cse1 (<= 34 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~sum~0#1| 561) (<= |ULTIMATE.start_main_~i~0#1| 34)) (and (<= |ULTIMATE.start_main_~sum~0#1| 1035) .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 46) (<= 46 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 20) .cse15 (<= 20 |ULTIMATE.start_main_~i~0#1|)) (and .cse1 (<= .cse5 (+ 6272 .cse16)) .cse15 (<= |ULTIMATE.start_main_~i~0#1| 7)) (and .cse0 .cse1 .cse11 (<= |ULTIMATE.start_main_~i~0#1| 15)) (and .cse0 .cse1 (< (+ (* 56 |ULTIMATE.start_main_~i~0#1|) |ULTIMATE.start_main_~sum~0#1|) 2147482108) (<= 71 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 .cse1 (< (+ |ULTIMATE.start_main_~sum~0#1| (* |ULTIMATE.start_main_~i~0#1| 28)) 2147483270) (<= 99 |ULTIMATE.start_main_~i~0#1|)) (and (<= 5 |ULTIMATE.start_main_~i~0#1|) .cse1 (<= .cse12 (+ 1485 (* 5 |ULTIMATE.start_main_~i~0#1|))) (<= |ULTIMATE.start_main_~i~0#1| 5) (<= |ULTIMATE.start_main_~sum~0#1| 10)) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~i~0#1| 22) .cse14 (<= 22 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~i~0#1| 61) (<= |ULTIMATE.start_main_~sum~0#1| 1830) .cse0 .cse1 (<= 61 |ULTIMATE.start_main_~i~0#1|)) (and (< (+ (* |ULTIMATE.start_main_~i~0#1| 38) |ULTIMATE.start_main_~sum~0#1|) 2147482945) .cse0 .cse1 (<= 89 |ULTIMATE.start_main_~i~0#1|))))) [2022-11-03 03:57:21,395 INFO L444 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1, 1, 1] [2022-11-03 03:57:21,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:57:21,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:57:21 BoogieIcfgContainer [2022-11-03 03:57:21,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:57:21,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:57:21,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:57:21,459 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:57:21,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:47:28" (3/4) ... [2022-11-03 03:57:21,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:57:21,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 03:57:21,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-03 03:57:21,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 03:57:21,473 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:57:21,515 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:57:21,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:57:21,515 INFO L158 Benchmark]: Toolchain (without parser) took 593767.17ms. Allocated memory was 102.8MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 62.1MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 977.5MB. Max. memory is 16.1GB. [2022-11-03 03:57:21,516 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:57:21,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.83ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 79.5MB in the end (delta: -17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 03:57:21,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.24ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:57:21,517 INFO L158 Benchmark]: Boogie Preprocessor took 36.30ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 959.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:57:21,518 INFO L158 Benchmark]: RCFGBuilder took 296.37ms. Allocated memory is still 102.8MB. Free memory was 77.1MB in the beginning and 66.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:57:21,519 INFO L158 Benchmark]: TraceAbstraction took 593041.71ms. Allocated memory was 102.8MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 65.5MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-03 03:57:21,520 INFO L158 Benchmark]: Witness Printer took 55.81ms. Allocated memory is still 2.3GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:57:21,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.83ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 79.5MB in the end (delta: -17.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.24ms. Allocated memory is still 102.8MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.30ms. Allocated memory is still 102.8MB. Free memory was 78.0MB in the beginning and 77.1MB in the end (delta: 959.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.37ms. Allocated memory is still 102.8MB. Free memory was 77.1MB in the beginning and 66.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 593041.71ms. Allocated memory was 102.8MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 65.5MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 55.81ms. Allocated memory is still 2.3GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 2.1MB). 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 592.9s, OverallIterations: 14, TraceHistogramMax: 128, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 335.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5940 SdHoareTripleChecker+Valid, 38.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5940 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 32.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 4890 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79047 IncrementalHoareTripleChecker+Invalid, 83937 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4890 mSolverCounterUnsat, 35 mSDtfsCounter, 79047 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3809 GetRequests, 1867 SyntacticMatches, 0 SemanticMatches, 1942 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128985 ImplicationChecksByTransitivity, 480.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=13, InterpolantAutomatonStates: 813, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 9 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 104 NumberOfFragments, 1783 HoareAnnotationTreeSize, 2 FomulaSimplifications, 780 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 2 FomulaSimplificationsInter, 8625 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 224.9s InterpolantComputationTime, 2642 NumberOfCodeBlocks, 2622 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 3271 ConstructedInterpolants, 0 QuantifiedInterpolants, 27571 SizeOfPredicates, 246 NumberOfNonLiveVariables, 3102 ConjunctsInSsa, 596 ConjunctsInUnsatCore, 32 InterpolantComputations, 6 PerfectInterpolantSequences, 40330/119599 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 4 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((n <= 100 && 0 <= sum) && 47 * i + sum < 2147482567) && 80 <= i) || (((i <= 12 && n <= 100) && 0 <= sum) && 150 + sum <= i * 18)) || ((((i <= 58 && 58 <= i) && n <= 100) && 0 <= sum) && sum <= 1653)) || ((((i <= 45 && n <= 100) && 0 <= sum) && sum <= 990) && 45 <= i)) || ((((i <= 38 && n <= 100) && 0 <= sum) && 38 <= i) && sum <= 703)) || ((((n <= 100 && 42 <= i) && 0 <= sum) && sum <= 861) && i <= 42)) || ((((35 <= i && sum <= 595) && n <= 100) && 0 <= sum) && i <= 35)) || ((((n <= 100 && 0 <= sum) && 27 <= i) && i <= 27) && sum <= 351)) || (((n <= 100 && 0 <= sum) && sum + i * 60 < 2147481878) && 67 <= i)) || ((((n <= 100 && i <= 19) && 0 <= sum) && 19 <= i) && sum <= 171)) || (((n <= 100 && 0 <= sum) && 74 <= i) && sum + 53 * i < 2147482270)) || (((57 * i + sum < 2147482052 && n <= 100) && 0 <= sum) && 70 <= i)) || (((sum + 51 * i < 2147482373 && n <= 100) && 76 <= i) && 0 <= sum)) || ((((45 + sum <= i * 11 && n <= 100) && 0 <= sum) && 18 <= i) && i <= 18)) || ((((n <= 100 && 17 <= i) && 0 <= sum) && 34 + sum <= i * 10) && i <= 17)) || (((n <= 100 && 91 <= i) && 0 <= sum) && i * 36 + sum < 2147483018)) || ((((i <= 62 && n <= 100) && sum <= 1891) && 0 <= sum) && 62 <= i)) || (((82 <= i && n <= 100) && 0 <= sum) && i * 45 + sum < 2147482658)) || (((n <= 100 && 0 <= sum) && 93 <= i) && sum + i * 34 < 2147483087)) || ((((sum <= 496 && n <= 100) && 0 <= sum) && i <= 32) && 32 <= i)) || (((90 <= i && i * 37 + sum < 2147482982) && n <= 100) && 0 <= sum)) || ((((i <= 16 && n <= 100) && 0 <= sum) && sum <= 120) && 16 <= i)) || (((n <= 100 && 30 * i + sum < 2147483213) && 0 <= sum) && 97 <= i)) || ((((55 <= i && sum <= 1485) && n <= 100) && 0 <= sum) && i <= 55)) || ((((n <= 100 && 0 <= sum) && 26 <= i) && i <= 26) && sum <= 325)) || (((n <= 100 && 0 <= sum) && i * 54 + sum < 2147482217) && 73 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 31) && 31 <= i) && sum <= 465)) || ((((n <= 100 && 0 <= sum) && 50 <= i) && i <= 50) && sum <= 1225)) || ((((44 <= i && n <= 100) && 0 <= sum) && sum <= 946) && i <= 44)) || ((((n <= 100 && i <= 57) && 57 <= i) && 0 <= sum) && sum <= 1596)) || (((i <= 10 && 0 <= sum) && sum + n * 63 <= i * 10 + 6245) && 115 + sum <= 16 * i)) || (((n <= 100 && 0 <= sum) && 94 <= i) && i * 33 + sum < 2147483120)) || (((66 <= i && n <= 100) && 0 <= sum) && i * 61 + sum < 2147481818)) || ((((n <= 100 && 0 <= sum) && 59 <= i) && sum <= 1711) && i <= 59)) || ((((i <= 63 && n <= 100) && 0 <= sum) && 63 <= i) && sum <= 1953)) || (((46 * i + sum < 2147482613 && n <= 100) && 0 <= sum) && 81 <= i)) || (((64 <= i && n <= 100) && 0 <= sum) && i * 63 + sum < 2147481695)) || ((((i <= 56 && n <= 100) && 0 <= sum) && sum <= 1540) && 56 <= i)) || ((((0 <= sum && i <= 4) && sum <= 6) && 7 * n + sum <= 690 + i * 4) && 4 <= i)) || ((((i <= 23 && n <= 100) && 23 <= i) && 0 <= sum) && 115 + sum <= 16 * i)) || ((((n <= 100 && 0 <= sum) && sum <= 528) && 33 <= i) && i <= 33)) || (((0 <= sum && 7 * n + sum <= i + 699) && i <= 1) && 7 + sum <= 7 * i)) || ((((i <= 40 && 40 <= i) && n <= 100) && 0 <= sum) && sum <= 780)) || ((((sum <= 1431 && n <= 100) && 0 <= sum) && 54 <= i) && i <= 54)) || ((((i <= 37 && 37 <= i) && n <= 100) && 0 <= sum) && sum <= 666)) || (((86 <= i && n <= 100) && 0 <= sum) && 41 * i + sum < 2147482828)) || ((((i <= 29 && 29 <= i) && n <= 100) && 0 <= sum) && sum <= 406)) || (((31 * i + sum < 2147483183 && n <= 100) && 0 <= sum) && 96 <= i)) || (((n <= 100 && 0 <= sum) && 87 <= i) && sum + 40 * i < 2147482868)) || (((n <= 100 && 0 <= sum) && sum + i * 27 < 2147483297) && 100 <= i)) || ((((i <= 11 && 0 <= sum) && sum + n * 63 <= i * 11 + 6234) && sum <= i * 4 + 11) && 11 <= i)) || ((((43 <= i && n <= 100) && 0 <= sum) && i <= 43) && sum <= 903)) || (((29 * i + sum < 2147483242 && n <= 100) && 0 <= sum) && 98 <= i)) || ((((n <= 100 && 0 <= sum) && 14 <= i) && i <= 14) && 7 + sum <= 7 * i)) || ((((n <= 100 && 0 <= sum) && sum <= 1081) && 47 <= i) && i <= 47)) || ((((49 <= i && n <= 100) && 0 <= sum) && sum <= 1176) && i <= 49)) || ((((n <= 100 && 0 <= sum) && i <= 6) && sum <= 15) && 6 <= i)) || (((79 <= i && n <= 100) && 0 <= sum) && i * 48 + sum < 2147482520)) || (((32 * i + sum < 2147483152 && n <= 100) && 0 <= sum) && 95 <= i)) || ((((0 <= sum && i <= 8) && 8 <= i) && sum <= i + 20) && sum + n * 63 <= i * 8 + 6264)) || ((((21 <= i && n <= 100) && 0 <= sum) && sum <= 210) && i <= 21)) || (((n <= 100 && 88 <= i) && 0 <= sum) && i * 39 + sum < 2147482907)) || ((((n <= 100 && 60 <= i) && 0 <= sum) && i <= 60) && sum <= 1770)) || ((((n <= 100 && 0 <= sum) && i <= 25) && 150 + sum <= i * 18) && 25 <= i)) || ((((sum <= 820 && n <= 100) && 0 <= sum) && i <= 41) && 41 <= i)) || (((0 <= sum && 0 <= i) && i + sum <= 0) && 7 * n + sum <= 700)) || ((((51 <= i && i <= 51) && n <= 100) && 0 <= sum) && sum <= 1275)) || ((((28 <= i && i <= 28) && n <= 100) && 0 <= sum) && sum + 210 <= 21 * i)) || (((72 <= i && n <= 100) && 0 <= sum) && i * 55 + sum < 2147482163)) || (((n <= 100 && 0 <= sum) && 78 <= i) && 49 * i + sum < 2147482472)) || (((i <= 13 && n <= 100) && 0 <= sum) && 169 + sum <= 19 * i)) || (((n <= 100 && i * 58 + sum < 2147481995) && 0 <= sum) && 69 <= i)) || ((((i <= 53 && 53 <= i) && n <= 100) && 0 <= sum) && sum <= 1378)) || (((i <= 3 && 0 <= sum) && n * 15 + sum <= 1494 + 3 * i) && 3 + sum <= 2 * i)) || (((n <= 100 && i * 43 + sum < 2147482745) && 0 <= sum) && 84 <= i)) || ((((36 <= i && n <= 100) && 0 <= sum) && sum <= 630) && i <= 36)) || ((((i <= 52 && n <= 100) && sum <= 1326) && 0 <= sum) && 52 <= i)) || (((92 <= i && n <= 100) && 0 <= sum) && 35 * i + sum < 2147483053)) || (((n <= 100 && 0 <= sum) && 44 * i + sum < 2147482702) && 83 <= i)) || (((n <= 100 && 42 * i + sum < 2147482787) && 0 <= sum) && 85 <= i)) || (((52 * i + sum < 2147482322 && n <= 100) && 0 <= sum) && 75 <= i)) || ((((n <= 100 && 0 <= sum) && 39 <= i) && sum <= 741) && i <= 39)) || (((n <= 100 && 0 <= sum) && 59 * i + sum < 2147481937) && 68 <= i)) || ((((30 <= i && i <= 30) && n <= 100) && 0 <= sum) && sum <= 435)) || (((i * 50 + sum < 2147482423 && n <= 100) && 0 <= sum) && 77 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 24) && 24 <= i) && sum <= 276)) || ((((n <= 100 && i <= 48) && 0 <= sum) && 48 <= i) && sum <= 1128)) || (((0 <= sum && i <= 2) && sum + n * 63 <= 6297 + 2 * i) && 15 + sum <= i * 8)) || (((sum + n * 63 <= 6255 + 9 * i && 0 <= sum) && sum + 99 <= i * 15) && i <= 9)) || (((n <= 100 && 0 <= sum) && 65 <= i) && 62 * i + sum < 2147481757)) || ((((n <= 100 && 0 <= sum) && 34 <= i) && sum <= 561) && i <= 34)) || ((((sum <= 1035 && n <= 100) && 0 <= sum) && i <= 46) && 46 <= i)) || ((((n <= 100 && 0 <= sum) && i <= 20) && sum + 70 <= i * 13) && 20 <= i)) || (((0 <= sum && sum + n * 63 <= 6272 + 7 * i) && sum + 70 <= i * 13) && i <= 7)) || (((n <= 100 && 0 <= sum) && sum + 210 <= 21 * i) && i <= 15)) || (((n <= 100 && 0 <= sum) && 56 * i + sum < 2147482108) && 71 <= i)) || (((n <= 100 && 0 <= sum) && sum + i * 28 < 2147483270) && 99 <= i)) || ((((5 <= i && 0 <= sum) && n * 15 + sum <= 1485 + 5 * i) && i <= 5) && sum <= 10)) || ((((n <= 100 && 0 <= sum) && i <= 22) && sum + 99 <= i * 15) && 22 <= i)) || ((((i <= 61 && sum <= 1830) && n <= 100) && 0 <= sum) && 61 <= i)) || (((i * 38 + sum < 2147482945 && n <= 100) && 0 <= sum) && 89 <= i) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-03 03:57:21,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d5a5c6-5374-415a-b121-65d5ab2767cd/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE