./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-009.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-009.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur --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 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 --- 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-38b53e6 [2022-11-25 23:54:58,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:54:58,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:54:58,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:54:58,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:54:58,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:54:58,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:54:58,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:54:58,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:54:58,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:54:58,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:54:58,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:54:58,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:54:58,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:54:58,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:54:58,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:54:58,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:54:58,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:54:58,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:54:58,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:54:58,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:54:58,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:54:58,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:54:58,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:54:58,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:54:58,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:54:58,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:54:58,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:54:58,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:54:58,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:54:58,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:54:58,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:54:58,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:54:58,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:54:58,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:54:58,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:54:58,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:54:58,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:54:58,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:54:58,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:54:58,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:54:58,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-25 23:54:58,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:54:58,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:54:58,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:54:58,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:54:58,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:54:58,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:54:58,264 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:54:58,264 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:54:58,265 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:54:58,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:54:58,266 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:54:58,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:54:58,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:54:58,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:54:58,267 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:54:58,267 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:54:58,267 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:54:58,267 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:54:58,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:54:58,268 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 23:54:58,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:54:58,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:54:58,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 23:54:58,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:54:58,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:54:58,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:54:58,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:54:58,269 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:54:58,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 23:54:58,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:54:58,270 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:54:58,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:54:58,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:54:58,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:54:58,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:54:58,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:54:58,271 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:54:58,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:54:58,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:54:58,272 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:54:58,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:54:58,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:54:58,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:54:58,272 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_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 467fcaafa9af0a00772f5009c99943c6cb7078cb0bca94a00a243b41a6183129 [2022-11-25 23:54:58,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:54:58,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:54:58,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:54:58,591 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:54:58,592 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:54:58,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/xcsp/AllInterval-009.c [2022-11-25 23:55:01,634 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:55:01,831 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:55:01,832 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/sv-benchmarks/c/xcsp/AllInterval-009.c [2022-11-25 23:55:01,838 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/data/3a109a947/7ce2b109c8784e3e8cf644d0d397b79d/FLAGcd8a1a680 [2022-11-25 23:55:01,853 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/data/3a109a947/7ce2b109c8784e3e8cf644d0d397b79d [2022-11-25 23:55:01,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:55:01,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:55:01,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:01,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:55:01,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:55:01,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:01" (1/1) ... [2022-11-25 23:55:01,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428566c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:01, skipping insertion in model container [2022-11-25 23:55:01,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:01" (1/1) ... [2022-11-25 23:55:01,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:55:01,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:55:02,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/sv-benchmarks/c/xcsp/AllInterval-009.c[5030,5043] [2022-11-25 23:55:02,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:55:02,084 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:55:02,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/sv-benchmarks/c/xcsp/AllInterval-009.c[5030,5043] [2022-11-25 23:55:02,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:55:02,137 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:55:02,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02 WrapperNode [2022-11-25 23:55:02,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:02,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:55:02,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:55:02,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:55:02,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,201 INFO L138 Inliner]: procedures = 13, calls = 113, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 272 [2022-11-25 23:55:02,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:55:02,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:55:02,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:55:02,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:55:02,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,237 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:55:02,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:55:02,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:55:02,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:55:02,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (1/1) ... [2022-11-25 23:55:02,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:55:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:55:02,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:55:02,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:55:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-11-25 23:55:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-11-25 23:55:02,440 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:55:02,442 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:55:02,920 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:55:02,971 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:55:02,971 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:55:02,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:55:02 BoogieIcfgContainer [2022-11-25 23:55:02,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:55:02,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:55:02,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:55:02,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:55:02,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:55:01" (1/3) ... [2022-11-25 23:55:02,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bb1dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:55:02, skipping insertion in model container [2022-11-25 23:55:02,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:02" (2/3) ... [2022-11-25 23:55:02,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10bb1dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:55:02, skipping insertion in model container [2022-11-25 23:55:02,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:55:02" (3/3) ... [2022-11-25 23:55:02,984 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-009.c [2022-11-25 23:55:03,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:55:03,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-25 23:55:03,079 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:55:03,085 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;@7084d7af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:55:03,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-11-25 23:55:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 101 states have internal predecessors, (109), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2022-11-25 23:55:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-25 23:55:03,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:03,118 INFO L195 NwaCegarLoop]: trace histogram [98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:55:03,119 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-11-25 23:55:03,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:03,125 INFO L85 PathProgramCache]: Analyzing trace with hash -954106397, now seen corresponding path program 1 times [2022-11-25 23:55:03,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:03,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001599456] [2022-11-25 23:55:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:03,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2022-11-25 23:55:04,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:04,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001599456] [2022-11-25 23:55:04,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001599456] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:55:04,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867393249] [2022-11-25 23:55:04,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:04,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:55:04,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:55:04,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:55:04,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:55:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:04,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 23:55:04,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:55:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2022-11-25 23:55:05,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:55:06,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2022-11-25 23:55:06,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867393249] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:55:06,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1967453343] [2022-11-25 23:55:06,474 INFO L159 IcfgInterpreter]: Started Sifa with 121 locations of interest [2022-11-25 23:55:06,474 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:55:06,479 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:55:06,485 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:55:06,486 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:55:45,497 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 56 for LOIs [2022-11-25 23:55:45,513 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:58:24,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1967453343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:58:24,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 23:58:24,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [118] imperfect sequences [4, 4, 4] total 125 [2022-11-25 23:58:24,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454198112] [2022-11-25 23:58:24,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:58:24,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2022-11-25 23:58:24,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:58:24,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2022-11-25 23:58:24,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7612, Invalid=8138, Unknown=0, NotChecked=0, Total=15750 [2022-11-25 23:58:24,379 INFO L87 Difference]: Start difference. First operand has 209 states, 69 states have (on average 1.5797101449275361) internal successors, (109), 101 states have internal predecessors, (109), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) Second operand has 120 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 98 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2022-11-25 23:58:29,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:58:29,229 INFO L93 Difference]: Finished difference Result 209 states and 321 transitions. [2022-11-25 23:58:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-11-25 23:58:29,233 INFO L78 Accepts]: Start accepts. Automaton has has 120 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 98 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) Word has length 314 [2022-11-25 23:58:29,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:58:29,243 INFO L225 Difference]: With dead ends: 209 [2022-11-25 23:58:29,243 INFO L226 Difference]: Without dead ends: 189 [2022-11-25 23:58:29,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 819 SyntacticMatches, 1 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 158.8s TimeCoverageRelationStatistics Valid=7612, Invalid=8138, Unknown=0, NotChecked=0, Total=15750 [2022-11-25 23:58:29,251 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 360 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:58:29,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 254 Invalid, 1739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 23:58:29,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-25 23:58:29,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2022-11-25 23:58:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 67 states have (on average 1.328358208955224) internal successors, (89), 82 states have internal predecessors, (89), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-25 23:58:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 299 transitions. [2022-11-25 23:58:29,477 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 299 transitions. Word has length 314 [2022-11-25 23:58:29,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:58:29,480 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 299 transitions. [2022-11-25 23:58:29,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 98 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2022-11-25 23:58:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 299 transitions. [2022-11-25 23:58:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-25 23:58:29,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:29,490 INFO L195 NwaCegarLoop]: trace histogram [98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:58:29,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:58:29,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:29,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-11-25 23:58:29,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:29,699 INFO L85 PathProgramCache]: Analyzing trace with hash 310042999, now seen corresponding path program 1 times [2022-11-25 23:58:29,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:29,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479650820] [2022-11-25 23:58:29,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:29,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2022-11-25 23:58:29,960 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:29,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479650820] [2022-11-25 23:58:29,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479650820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:58:29,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:58:29,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:58:29,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525665465] [2022-11-25 23:58:29,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:58:29,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:58:29,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:58:29,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:58:29,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:58:29,972 INFO L87 Difference]: Start difference. First operand 189 states and 299 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) [2022-11-25 23:58:30,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:58:30,252 INFO L93 Difference]: Finished difference Result 196 states and 306 transitions. [2022-11-25 23:58:30,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:58:30,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) Word has length 317 [2022-11-25 23:58:30,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:58:30,264 INFO L225 Difference]: With dead ends: 196 [2022-11-25 23:58:30,264 INFO L226 Difference]: Without dead ends: 188 [2022-11-25 23:58:30,265 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 [2022-11-25 23:58:30,266 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 23 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:58:30,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 501 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:58:30,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-11-25 23:58:30,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2022-11-25 23:58:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 67 states have (on average 1.208955223880597) internal successors, (81), 74 states have internal predecessors, (81), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-25 23:58:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 291 transitions. [2022-11-25 23:58:30,496 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 291 transitions. Word has length 317 [2022-11-25 23:58:30,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:58:30,502 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 291 transitions. [2022-11-25 23:58:30,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 1 states have call predecessors, (98), 1 states have call successors, (98) [2022-11-25 23:58:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 291 transitions. [2022-11-25 23:58:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-11-25 23:58:30,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:58:30,515 INFO L195 NwaCegarLoop]: trace histogram [98, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:58:30,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:58:30,516 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-11-25 23:58:30,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:58:30,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1021398538, now seen corresponding path program 1 times [2022-11-25 23:58:30,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:58:30,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62196981] [2022-11-25 23:58:30,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:30,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:58:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:31,036 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2022-11-25 23:58:31,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:58:31,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62196981] [2022-11-25 23:58:31,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62196981] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:58:31,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806757423] [2022-11-25 23:58:31,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:58:31,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:58:31,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:58:31,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:58:31,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:58:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:58:31,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 23:58:31,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:58:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2022-11-25 23:58:31,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:58:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 9409 trivial. 0 not checked. [2022-11-25 23:58:32,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806757423] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 23:58:32,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [489161141] [2022-11-25 23:58:32,234 INFO L159 IcfgInterpreter]: Started Sifa with 125 locations of interest [2022-11-25 23:58:32,234 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:58:32,235 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:58:32,235 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:58:32,235 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:59:07,868 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 56 for LOIs [2022-11-25 23:59:07,888 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:01:59,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [489161141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:59,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:01:59,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [120] imperfect sequences [5, 5, 5] total 126 [2022-11-26 00:01:59,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765184926] [2022-11-26 00:01:59,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:59,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2022-11-26 00:01:59,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:59,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2022-11-26 00:01:59,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7625, Invalid=8377, Unknown=0, NotChecked=0, Total=16002 [2022-11-26 00:01:59,144 INFO L87 Difference]: Start difference. First operand 181 states and 291 transitions. Second operand has 122 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 98 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2022-11-26 00:02:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:04,561 INFO L93 Difference]: Finished difference Result 182 states and 292 transitions. [2022-11-26 00:02:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-11-26 00:02:04,562 INFO L78 Accepts]: Start accepts. Automaton has has 122 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 98 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) Word has length 318 [2022-11-26 00:02:04,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:04,565 INFO L225 Difference]: With dead ends: 182 [2022-11-26 00:02:04,565 INFO L226 Difference]: Without dead ends: 181 [2022-11-26 00:02:04,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 957 GetRequests, 827 SyntacticMatches, 5 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 171.2s TimeCoverageRelationStatistics Valid=7625, Invalid=8377, Unknown=0, NotChecked=0, Total=16002 [2022-11-26 00:02:04,570 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 170 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:04,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 223 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-26 00:02:04,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-11-26 00:02:04,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 180. [2022-11-26 00:02:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 73 states have internal predecessors, (80), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2022-11-26 00:02:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 290 transitions. [2022-11-26 00:02:04,758 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 290 transitions. Word has length 318 [2022-11-26 00:02:04,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:04,759 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 290 transitions. [2022-11-26 00:02:04,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 98 states have call successors, (98), 1 states have call predecessors, (98), 1 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2022-11-26 00:02:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 290 transitions. [2022-11-26 00:02:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-11-26 00:02:04,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:04,766 INFO L195 NwaCegarLoop]: trace histogram [99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:02:04,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:02:04,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:04,973 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-11-26 00:02:04,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:04,974 INFO L85 PathProgramCache]: Analyzing trace with hash 365489753, now seen corresponding path program 1 times [2022-11-26 00:02:04,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:04,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043907238] [2022-11-26 00:02:04,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:04,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 116 proven. 264 refuted. 0 times theorem prover too weak. 9322 trivial. 0 not checked. [2022-11-26 00:02:06,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:06,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043907238] [2022-11-26 00:02:06,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043907238] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:02:06,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93102082] [2022-11-26 00:02:06,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:06,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:06,074 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:02:06,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:02:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:06,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:02:06,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:02:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 2 proven. 96 refuted. 0 times theorem prover too weak. 9604 trivial. 0 not checked. [2022-11-26 00:02:06,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:02:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 2 proven. 96 refuted. 0 times theorem prover too weak. 9604 trivial. 0 not checked. [2022-11-26 00:02:07,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93102082] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:02:07,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2016997334] [2022-11-26 00:02:07,305 INFO L159 IcfgInterpreter]: Started Sifa with 130 locations of interest [2022-11-26 00:02:07,305 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:02:07,306 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:02:07,306 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:02:07,306 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:02:43,212 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 8 for LOIs [2022-11-26 00:02:43,213 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:06:01,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2016997334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:06:01,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:06:01,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [124] imperfect sequences [9, 5, 5] total 137 [2022-11-26 00:06:01,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216736395] [2022-11-26 00:06:01,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:06:01,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2022-11-26 00:06:01,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:06:01,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2022-11-26 00:06:01,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8582, Invalid=10324, Unknown=0, NotChecked=0, Total=18906 [2022-11-26 00:06:01,979 INFO L87 Difference]: Start difference. First operand 180 states and 290 transitions. Second operand has 126 states, 25 states have (on average 1.16) internal successors, (29), 27 states have internal predecessors, (29), 99 states have call successors, (99), 1 states have call predecessors, (99), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-11-26 00:06:09,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:06:09,299 INFO L93 Difference]: Finished difference Result 190 states and 302 transitions. [2022-11-26 00:06:09,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-11-26 00:06:09,300 INFO L78 Accepts]: Start accepts. Automaton has has 126 states, 25 states have (on average 1.16) internal successors, (29), 27 states have internal predecessors, (29), 99 states have call successors, (99), 1 states have call predecessors, (99), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Word has length 325 [2022-11-26 00:06:09,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:06:09,303 INFO L225 Difference]: With dead ends: 190 [2022-11-26 00:06:09,303 INFO L226 Difference]: Without dead ends: 189 [2022-11-26 00:06:09,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 986 GetRequests, 845 SyntacticMatches, 5 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 198.8s TimeCoverageRelationStatistics Valid=8582, Invalid=10324, Unknown=0, NotChecked=0, Total=18906 [2022-11-26 00:06:09,310 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 287 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1843 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:06:09,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 223 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1843 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-26 00:06:09,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-26 00:06:09,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 187. [2022-11-26 00:06:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 79 states have internal predecessors, (87), 106 states have call successors, (106), 1 states have call predecessors, (106), 1 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2022-11-26 00:06:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 299 transitions. [2022-11-26 00:06:09,456 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 299 transitions. Word has length 325 [2022-11-26 00:06:09,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:06:09,458 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 299 transitions. [2022-11-26 00:06:09,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 25 states have (on average 1.16) internal successors, (29), 27 states have internal predecessors, (29), 99 states have call successors, (99), 1 states have call predecessors, (99), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2022-11-26 00:06:09,458 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 299 transitions. [2022-11-26 00:06:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-26 00:06:09,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:06:09,462 INFO L195 NwaCegarLoop]: trace histogram [99, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:06:09,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:06:09,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:09,669 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-11-26 00:06:09,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:06:09,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1499978507, now seen corresponding path program 1 times [2022-11-26 00:06:09,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:06:09,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479174316] [2022-11-26 00:06:09,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:09,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:06:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 2 proven. 96 refuted. 0 times theorem prover too weak. 9604 trivial. 0 not checked. [2022-11-26 00:06:10,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:06:10,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479174316] [2022-11-26 00:06:10,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479174316] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:06:10,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090921217] [2022-11-26 00:06:10,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:06:10,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:06:10,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:06:10,217 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:06:10,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_899a8134-d771-4bed-b1b2-a088799e872a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:06:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:06:10,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:06:10,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:06:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 2 proven. 96 refuted. 0 times theorem prover too weak. 9604 trivial. 0 not checked. [2022-11-26 00:06:10,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:06:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 2 proven. 96 refuted. 0 times theorem prover too weak. 9604 trivial. 0 not checked. [2022-11-26 00:06:11,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090921217] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:06:11,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [789572649] [2022-11-26 00:06:11,501 INFO L159 IcfgInterpreter]: Started Sifa with 132 locations of interest [2022-11-26 00:06:11,501 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:06:11,503 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:06:11,503 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:06:11,503 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:06:47,556 INFO L197 IcfgInterpreter]: Interpreting procedure assume with input of size 8 for LOIs [2022-11-26 00:06:47,557 INFO L180 IcfgInterpreter]: Interpretation finished