./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba --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 b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 --- 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-b5237d8 [2022-11-22 01:23:29,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:23:29,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:23:29,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:23:29,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:23:29,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:23:29,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:23:29,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:23:29,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:23:29,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:23:29,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:23:29,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:23:29,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:23:29,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:23:29,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:23:29,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:23:29,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:23:29,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:23:29,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:23:29,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:23:29,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:23:29,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:23:29,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:23:29,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:23:29,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:23:29,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:23:29,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:23:29,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:23:29,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:23:29,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:23:29,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:23:29,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:23:29,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:23:29,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:23:29,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:23:29,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:23:29,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:23:29,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:23:29,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:23:29,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:23:29,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:23:29,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:23:29,378 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:23:29,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:23:29,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:23:29,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:23:29,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:23:29,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:23:29,380 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:23:29,380 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:23:29,380 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:23:29,380 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:23:29,381 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:23:29,381 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:23:29,381 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:23:29,381 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:23:29,381 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:23:29,382 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:23:29,382 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:23:29,382 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:23:29,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:23:29,383 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:23:29,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:23:29,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:23:29,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:23:29,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:23:29,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:23:29,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:23:29,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:23:29,385 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:23:29,385 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:23:29,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:23:29,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:23:29,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:23:29,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:23:29,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:23:29,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:23:29,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:23:29,389 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:23:29,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:23:29,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:23:29,390 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:23:29,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:23:29,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:23:29,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:23:29,391 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_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 [2022-11-22 01:23:29,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:23:29,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:23:29,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:23:29,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:23:29,727 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:23:29,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2022-11-22 01:23:32,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:23:33,045 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:23:33,046 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2022-11-22 01:23:33,052 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/data/b65019629/fd5e9e0e143a4969ba75302734e074e6/FLAGdbe13391e [2022-11-22 01:23:33,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/data/b65019629/fd5e9e0e143a4969ba75302734e074e6 [2022-11-22 01:23:33,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:23:33,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:23:33,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:23:33,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:23:33,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:23:33,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b0c2a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33, skipping insertion in model container [2022-11-22 01:23:33,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:23:33,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:23:33,646 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_b65d13c9-286e-4fb1-883b-876efcc96b4d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2022-11-22 01:23:33,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:23:33,695 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:23:33,707 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_b65d13c9-286e-4fb1-883b-876efcc96b4d/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i[893,906] [2022-11-22 01:23:33,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:23:33,732 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:23:33,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33 WrapperNode [2022-11-22 01:23:33,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:23:33,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:23:33,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:23:33,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:23:33,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,802 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 146 [2022-11-22 01:23:33,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:23:33,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:23:33,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:23:33,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:23:33,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,859 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:23:33,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:23:33,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:23:33,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:23:33,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (1/1) ... [2022-11-22 01:23:33,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:23:33,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:33,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:23:33,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:23:33,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:23:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:23:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:23:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:23:33,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:23:33,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:23:34,047 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:23:34,049 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:23:34,355 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:23:34,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:23:34,386 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:23:34,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:23:34 BoogieIcfgContainer [2022-11-22 01:23:34,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:23:34,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:23:34,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:23:34,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:23:34,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:23:33" (1/3) ... [2022-11-22 01:23:34,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43036cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:23:34, skipping insertion in model container [2022-11-22 01:23:34,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:23:33" (2/3) ... [2022-11-22 01:23:34,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43036cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:23:34, skipping insertion in model container [2022-11-22 01:23:34,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:23:34" (3/3) ... [2022-11-22 01:23:34,399 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2022-11-22 01:23:34,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:23:34,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-22 01:23:34,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:23:34,513 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;@487a3add, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:23:34,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-22 01:23:34,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 53 states have (on average 1.9245283018867925) internal successors, (102), 86 states have internal predecessors, (102), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-22 01:23:34,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:23:34,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:34,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:34,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:34,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:34,550 INFO L85 PathProgramCache]: Analyzing trace with hash -120287727, now seen corresponding path program 1 times [2022-11-22 01:23:34,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:34,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021079568] [2022-11-22 01:23:34,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:34,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:34,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:34,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021079568] [2022-11-22 01:23:34,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021079568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:34,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:34,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:23:34,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560858690] [2022-11-22 01:23:34,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:34,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:23:34,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:34,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:23:34,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:34,908 INFO L87 Difference]: Start difference. First operand has 103 states, 53 states have (on average 1.9245283018867925) internal successors, (102), 86 states have internal predecessors, (102), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:35,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:35,116 INFO L93 Difference]: Finished difference Result 164 states and 219 transitions. [2022-11-22 01:23:35,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:23:35,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:23:35,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:35,134 INFO L225 Difference]: With dead ends: 164 [2022-11-22 01:23:35,134 INFO L226 Difference]: Without dead ends: 95 [2022-11-22 01:23:35,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:35,143 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 86 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:35,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 112 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:23:35,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-22 01:23:35,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-22 01:23:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 51 states have (on average 1.588235294117647) internal successors, (81), 78 states have internal predecessors, (81), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-22 01:23:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2022-11-22 01:23:35,232 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 9 [2022-11-22 01:23:35,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:35,234 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2022-11-22 01:23:35,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2022-11-22 01:23:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:23:35,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:35,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:35,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:23:35,238 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:35,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:35,239 INFO L85 PathProgramCache]: Analyzing trace with hash 566046168, now seen corresponding path program 1 times [2022-11-22 01:23:35,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:35,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859475671] [2022-11-22 01:23:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:35,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:35,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:35,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:35,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859475671] [2022-11-22 01:23:35,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859475671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:35,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:35,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:23:35,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515981051] [2022-11-22 01:23:35,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:35,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:23:35,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:35,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:23:35,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:35,329 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-22 01:23:35,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:35,382 INFO L93 Difference]: Finished difference Result 179 states and 222 transitions. [2022-11-22 01:23:35,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:23:35,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 [2022-11-22 01:23:35,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:35,385 INFO L225 Difference]: With dead ends: 179 [2022-11-22 01:23:35,385 INFO L226 Difference]: Without dead ends: 95 [2022-11-22 01:23:35,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:35,388 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:35,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 224 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:23:35,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-22 01:23:35,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-22 01:23:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 51 states have (on average 1.5686274509803921) internal successors, (80), 78 states have internal predecessors, (80), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-22 01:23:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2022-11-22 01:23:35,410 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 10 [2022-11-22 01:23:35,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:35,411 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2022-11-22 01:23:35,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-22 01:23:35,411 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2022-11-22 01:23:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:23:35,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:35,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:35,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:23:35,413 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:35,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:35,414 INFO L85 PathProgramCache]: Analyzing trace with hash 566047834, now seen corresponding path program 1 times [2022-11-22 01:23:35,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:35,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981195224] [2022-11-22 01:23:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:35,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:35,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:35,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981195224] [2022-11-22 01:23:35,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981195224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:35,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:35,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:23:35,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729067658] [2022-11-22 01:23:35,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:35,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:23:35,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:35,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:23:35,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:35,484 INFO L87 Difference]: Start difference. First operand 95 states and 116 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-11-22 01:23:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:35,544 INFO L93 Difference]: Finished difference Result 95 states and 116 transitions. [2022-11-22 01:23:35,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:23:35,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 [2022-11-22 01:23:35,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:35,546 INFO L225 Difference]: With dead ends: 95 [2022-11-22 01:23:35,547 INFO L226 Difference]: Without dead ends: 90 [2022-11-22 01:23:35,547 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 [2022-11-22 01:23:35,548 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 65 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:35,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 103 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:23:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-22 01:23:35,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-22 01:23:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 73 states have internal predecessors, (75), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-22 01:23:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 111 transitions. [2022-11-22 01:23:35,566 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 111 transitions. Word has length 10 [2022-11-22 01:23:35,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:35,566 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 111 transitions. [2022-11-22 01:23:35,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2022-11-22 01:23:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 111 transitions. [2022-11-22 01:23:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:23:35,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:35,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:35,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:23:35,568 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:35,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:35,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1488875524, now seen corresponding path program 1 times [2022-11-22 01:23:35,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:35,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459700914] [2022-11-22 01:23:35,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:35,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:35,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:35,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459700914] [2022-11-22 01:23:35,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459700914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:35,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:35,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:23:35,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944204168] [2022-11-22 01:23:35,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:35,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:23:35,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:35,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:23:35,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:23:35,663 INFO L87 Difference]: Start difference. First operand 90 states and 111 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:35,823 INFO L93 Difference]: Finished difference Result 121 states and 155 transitions. [2022-11-22 01:23:35,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:23:35,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:23:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:35,825 INFO L225 Difference]: With dead ends: 121 [2022-11-22 01:23:35,825 INFO L226 Difference]: Without dead ends: 114 [2022-11-22 01:23:35,826 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 [2022-11-22 01:23:35,827 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 99 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:35,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 171 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:23:35,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-22 01:23:35,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2022-11-22 01:23:35,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.391304347826087) internal successors, (96), 88 states have internal predecessors, (96), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-22 01:23:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 144 transitions. [2022-11-22 01:23:35,843 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 144 transitions. Word has length 12 [2022-11-22 01:23:35,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:35,843 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 144 transitions. [2022-11-22 01:23:35,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:23:35,844 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 144 transitions. [2022-11-22 01:23:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:23:35,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:35,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:35,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:23:35,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:35,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:35,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1089499097, now seen corresponding path program 1 times [2022-11-22 01:23:35,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:35,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355101483] [2022-11-22 01:23:35,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:35,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:23:35,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:35,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355101483] [2022-11-22 01:23:35,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355101483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:35,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:35,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:23:35,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907390425] [2022-11-22 01:23:35,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:35,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:23:35,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:35,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:23:35,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:23:35,891 INFO L87 Difference]: Start difference. First operand 112 states and 144 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2022-11-22 01:23:36,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:36,030 INFO L93 Difference]: Finished difference Result 112 states and 144 transitions. [2022-11-22 01:23:36,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:23:36,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) Word has length 13 [2022-11-22 01:23:36,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:36,032 INFO L225 Difference]: With dead ends: 112 [2022-11-22 01:23:36,032 INFO L226 Difference]: Without dead ends: 104 [2022-11-22 01:23:36,033 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 [2022-11-22 01:23:36,034 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 102 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:36,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 84 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:23:36,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-22 01:23:36,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-22 01:23:36,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 80 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-22 01:23:36,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 133 transitions. [2022-11-22 01:23:36,049 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 133 transitions. Word has length 13 [2022-11-22 01:23:36,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:36,049 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 133 transitions. [2022-11-22 01:23:36,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2022-11-22 01:23:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 133 transitions. [2022-11-22 01:23:36,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-22 01:23:36,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:36,052 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:36,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:23:36,052 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:36,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:36,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1885184477, now seen corresponding path program 1 times [2022-11-22 01:23:36,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:36,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214307102] [2022-11-22 01:23:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:36,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 01:23:36,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:36,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214307102] [2022-11-22 01:23:36,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214307102] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:23:36,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494477497] [2022-11-22 01:23:36,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:36,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:23:36,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:36,262 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:23:36,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:23:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:36,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 01:23:36,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:23:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 01:23:36,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:23:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 01:23:36,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494477497] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:23:36,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2109848409] [2022-11-22 01:23:36,644 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2022-11-22 01:23:36,645 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:23:36,648 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:23:36,654 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:23:36,655 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:23:38,587 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-22 01:23:38,607 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:23:40,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2109848409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:40,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:23:40,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5, 4, 4] total 27 [2022-11-22 01:23:40,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490811775] [2022-11-22 01:23:40,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:40,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-22 01:23:40,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:40,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-22 01:23:40,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2022-11-22 01:23:40,331 INFO L87 Difference]: Start difference. First operand 104 states and 133 transitions. Second operand has 19 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-22 01:23:41,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:41,962 INFO L93 Difference]: Finished difference Result 141 states and 185 transitions. [2022-11-22 01:23:41,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-22 01:23:41,963 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2022-11-22 01:23:41,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:41,965 INFO L225 Difference]: With dead ends: 141 [2022-11-22 01:23:41,966 INFO L226 Difference]: Without dead ends: 133 [2022-11-22 01:23:41,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 121 SyntacticMatches, 12 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 01:23:41,967 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 295 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:41,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 100 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 01:23:41,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-22 01:23:41,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 100. [2022-11-22 01:23:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 74 states have internal predecessors, (82), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-22 01:23:41,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 134 transitions. [2022-11-22 01:23:41,999 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 134 transitions. Word has length 52 [2022-11-22 01:23:41,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:41,999 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 134 transitions. [2022-11-22 01:23:42,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 1.5625) internal successors, (25), 17 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-22 01:23:42,000 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2022-11-22 01:23:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-22 01:23:42,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:42,002 INFO L195 NwaCegarLoop]: trace histogram [8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:42,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:23:42,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-22 01:23:42,220 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:42,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:42,220 INFO L85 PathProgramCache]: Analyzing trace with hash -783970013, now seen corresponding path program 1 times [2022-11-22 01:23:42,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:42,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892817089] [2022-11-22 01:23:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:42,269 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-22 01:23:42,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:42,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892817089] [2022-11-22 01:23:42,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892817089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:42,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:42,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:23:42,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737776154] [2022-11-22 01:23:42,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:42,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:23:42,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:42,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:23:42,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:42,272 INFO L87 Difference]: Start difference. First operand 100 states and 134 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:23:42,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:42,349 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2022-11-22 01:23:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:23:42,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2022-11-22 01:23:42,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:42,350 INFO L225 Difference]: With dead ends: 161 [2022-11-22 01:23:42,350 INFO L226 Difference]: Without dead ends: 93 [2022-11-22 01:23:42,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:42,352 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:42,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:23:42,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-22 01:23:42,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2022-11-22 01:23:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 67 states have internal predecessors, (72), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-22 01:23:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 120 transitions. [2022-11-22 01:23:42,372 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 120 transitions. Word has length 54 [2022-11-22 01:23:42,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:42,372 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 120 transitions. [2022-11-22 01:23:42,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-22 01:23:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2022-11-22 01:23:42,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-22 01:23:42,374 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:42,375 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:42,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:23:42,375 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:42,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:42,376 INFO L85 PathProgramCache]: Analyzing trace with hash 904446316, now seen corresponding path program 1 times [2022-11-22 01:23:42,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:42,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857660200] [2022-11-22 01:23:42,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:42,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-22 01:23:42,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:42,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857660200] [2022-11-22 01:23:42,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857660200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:42,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:42,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:23:42,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539725384] [2022-11-22 01:23:42,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:42,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:23:42,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:42,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:23:42,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:42,440 INFO L87 Difference]: Start difference. First operand 90 states and 120 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:23:42,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:42,486 INFO L93 Difference]: Finished difference Result 126 states and 172 transitions. [2022-11-22 01:23:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:23:42,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2022-11-22 01:23:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:42,489 INFO L225 Difference]: With dead ends: 126 [2022-11-22 01:23:42,489 INFO L226 Difference]: Without dead ends: 90 [2022-11-22 01:23:42,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:42,496 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:42,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:23:42,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-22 01:23:42,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-22 01:23:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.1290322580645162) internal successors, (70), 67 states have internal predecessors, (70), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-22 01:23:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 118 transitions. [2022-11-22 01:23:42,517 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 118 transitions. Word has length 79 [2022-11-22 01:23:42,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:42,517 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 118 transitions. [2022-11-22 01:23:42,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:23:42,518 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 118 transitions. [2022-11-22 01:23:42,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-22 01:23:42,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:42,519 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:42,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:23:42,519 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:42,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:42,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1616302168, now seen corresponding path program 1 times [2022-11-22 01:23:42,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:42,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399831691] [2022-11-22 01:23:42,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:42,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-11-22 01:23:42,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:42,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399831691] [2022-11-22 01:23:42,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399831691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:42,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:23:42,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:23:42,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405054389] [2022-11-22 01:23:42,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:42,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:23:42,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:42,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:23:42,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:23:42,595 INFO L87 Difference]: Start difference. First operand 90 states and 118 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:23:42,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:42,628 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2022-11-22 01:23:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:23:42,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2022-11-22 01:23:42,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:42,630 INFO L225 Difference]: With dead ends: 108 [2022-11-22 01:23:42,630 INFO L226 Difference]: Without dead ends: 106 [2022-11-22 01:23:42,631 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 [2022-11-22 01:23:42,631 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 5 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 167 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 [2022-11-22 01:23:42,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 167 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:23:42,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-22 01:23:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2022-11-22 01:23:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 75 states have (on average 1.1066666666666667) internal successors, (83), 79 states have internal predecessors, (83), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-22 01:23:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 135 transitions. [2022-11-22 01:23:42,650 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 135 transitions. Word has length 81 [2022-11-22 01:23:42,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:42,651 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 135 transitions. [2022-11-22 01:23:42,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:23:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2022-11-22 01:23:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-22 01:23:42,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:42,653 INFO L195 NwaCegarLoop]: trace histogram [14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:42,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:23:42,653 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:42,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:42,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1575046166, now seen corresponding path program 1 times [2022-11-22 01:23:42,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:42,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809502480] [2022-11-22 01:23:42,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:42,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-22 01:23:42,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:42,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809502480] [2022-11-22 01:23:42,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809502480] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:23:42,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693033876] [2022-11-22 01:23:42,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:42,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:23:42,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:42,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:23:42,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:23:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:42,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:23:42,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:23:43,122 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-22 01:23:43,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:23:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-22 01:23:43,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693033876] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:23:43,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1510451725] [2022-11-22 01:23:43,335 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-11-22 01:23:43,335 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:23:43,335 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:23:43,336 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:23:43,336 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:23:45,709 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-22 01:23:45,728 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:23:49,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1510451725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:23:49,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:23:49,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [6, 5, 5] total 38 [2022-11-22 01:23:49,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530003002] [2022-11-22 01:23:49,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:23:49,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-22 01:23:49,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:49,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-22 01:23:49,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2022-11-22 01:23:49,571 INFO L87 Difference]: Start difference. First operand 105 states and 135 transitions. Second operand has 28 states, 24 states have (on average 2.0) internal successors, (48), 26 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-22 01:23:53,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:23:53,036 INFO L93 Difference]: Finished difference Result 190 states and 246 transitions. [2022-11-22 01:23:53,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-22 01:23:53,037 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 24 states have (on average 2.0) internal successors, (48), 26 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 97 [2022-11-22 01:23:53,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:23:53,038 INFO L225 Difference]: With dead ends: 190 [2022-11-22 01:23:53,038 INFO L226 Difference]: Without dead ends: 189 [2022-11-22 01:23:53,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 232 SyntacticMatches, 26 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1170 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=626, Invalid=1726, Unknown=0, NotChecked=0, Total=2352 [2022-11-22 01:23:53,040 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 194 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:23:53,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 154 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-22 01:23:53,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-22 01:23:53,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 152. [2022-11-22 01:23:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 112 states have (on average 1.0982142857142858) internal successors, (123), 115 states have internal predecessors, (123), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2022-11-22 01:23:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2022-11-22 01:23:53,076 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 97 [2022-11-22 01:23:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:23:53,076 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2022-11-22 01:23:53,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 24 states have (on average 2.0) internal successors, (48), 26 states have internal predecessors, (48), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-22 01:23:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2022-11-22 01:23:53,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-22 01:23:53,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:23:53,078 INFO L195 NwaCegarLoop]: trace histogram [18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:23:53,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-22 01:23:53,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 01:23:53,285 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:23:53,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:23:53,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1949293354, now seen corresponding path program 1 times [2022-11-22 01:23:53,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:23:53,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216305270] [2022-11-22 01:23:53,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:53,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:23:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:23:53,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:23:53,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216305270] [2022-11-22 01:23:53,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216305270] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:23:53,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477218439] [2022-11-22 01:23:53,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:23:53,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:23:53,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:23:53,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:23:53,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:23:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:23:53,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:23:53,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:23:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:23:53,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:23:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:23:53,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477218439] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:23:53,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1995548427] [2022-11-22 01:23:53,882 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-22 01:23:53,883 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:23:53,883 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:23:53,883 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:23:53,884 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:23:55,880 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-22 01:23:55,895 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:23:59,961 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4881#(and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~tokenlen~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 1000000) (= |#NULL.offset| 0) (<= 1 |ULTIMATE.start_main_~urilen~0#1|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 1000000) (< 2147483646 |ULTIMATE.start_main_~cp~0#1|) (= |#NULL.base| 0))' at error location [2022-11-22 01:23:59,962 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:23:59,962 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:23:59,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2022-11-22 01:23:59,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847988899] [2022-11-22 01:23:59,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:23:59,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 01:23:59,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:23:59,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 01:23:59,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=1401, Unknown=0, NotChecked=0, Total=1806 [2022-11-22 01:23:59,965 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand has 13 states, 12 states have (on average 13.416666666666666) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2022-11-22 01:24:01,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:24:01,567 INFO L93 Difference]: Finished difference Result 811 states and 1077 transitions. [2022-11-22 01:24:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-22 01:24:01,568 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.416666666666666) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) Word has length 111 [2022-11-22 01:24:01,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:24:01,573 INFO L225 Difference]: With dead ends: 811 [2022-11-22 01:24:01,574 INFO L226 Difference]: Without dead ends: 810 [2022-11-22 01:24:01,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 269 SyntacticMatches, 27 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2307 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1018, Invalid=3272, Unknown=0, NotChecked=0, Total=4290 [2022-11-22 01:24:01,576 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 1362 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1370 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:24:01,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1370 Valid, 589 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-22 01:24:01,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2022-11-22 01:24:01,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 476. [2022-11-22 01:24:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 356 states have (on average 1.1095505617977528) internal successors, (395), 368 states have internal predecessors, (395), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2022-11-22 01:24:01,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 627 transitions. [2022-11-22 01:24:01,680 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 627 transitions. Word has length 111 [2022-11-22 01:24:01,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:24:01,680 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 627 transitions. [2022-11-22 01:24:01,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.416666666666666) internal successors, (161), 13 states have internal predecessors, (161), 7 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 7 states have call predecessors, (52), 7 states have call successors, (52) [2022-11-22 01:24:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 627 transitions. [2022-11-22 01:24:01,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-22 01:24:01,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:24:01,683 INFO L195 NwaCegarLoop]: trace histogram [18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:24:01,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 01:24:01,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:24:01,888 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:24:01,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:24:01,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1206145111, now seen corresponding path program 1 times [2022-11-22 01:24:01,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:24:01,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343186701] [2022-11-22 01:24:01,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:24:01,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:24:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:24:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:24:01,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:24:01,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343186701] [2022-11-22 01:24:01,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343186701] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:24:01,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391962355] [2022-11-22 01:24:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:24:01,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:24:01,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:24:01,992 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:24:02,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:24:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:24:02,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:24:02,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:24:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:24:02,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:24:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2022-11-22 01:24:02,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391962355] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:24:02,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [343194385] [2022-11-22 01:24:02,231 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2022-11-22 01:24:02,231 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:24:02,232 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:24:02,233 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:24:02,233 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:24:07,953 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-11-22 01:24:07,954 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:24:11,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [343194385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:24:11,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:24:11,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [3, 3, 3] total 33 [2022-11-22 01:24:11,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120304628] [2022-11-22 01:24:11,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:24:11,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-11-22 01:24:11,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:24:11,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-11-22 01:24:11,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 01:24:11,819 INFO L87 Difference]: Start difference. First operand 476 states and 627 transitions. Second operand has 29 states, 25 states have (on average 2.0) internal successors, (50), 27 states have internal predecessors, (50), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-22 01:24:15,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:24:15,034 INFO L93 Difference]: Finished difference Result 597 states and 796 transitions. [2022-11-22 01:24:15,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-22 01:24:15,036 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 2.0) internal successors, (50), 27 states have internal predecessors, (50), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 111 [2022-11-22 01:24:15,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:24:15,038 INFO L225 Difference]: With dead ends: 597 [2022-11-22 01:24:15,038 INFO L226 Difference]: Without dead ends: 353 [2022-11-22 01:24:15,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 272 SyntacticMatches, 30 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=461, Invalid=1701, Unknown=0, NotChecked=0, Total=2162 [2022-11-22 01:24:15,040 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 325 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:24:15,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 124 Invalid, 1600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 01:24:15,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-11-22 01:24:15,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2022-11-22 01:24:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 259 states have (on average 1.1081081081081081) internal successors, (287), 270 states have internal predecessors, (287), 90 states have call successors, (90), 1 states have call predecessors, (90), 1 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2022-11-22 01:24:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 467 transitions. [2022-11-22 01:24:15,118 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 467 transitions. Word has length 111 [2022-11-22 01:24:15,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:24:15,118 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 467 transitions. [2022-11-22 01:24:15,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 2.0) internal successors, (50), 27 states have internal predecessors, (50), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-22 01:24:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 467 transitions. [2022-11-22 01:24:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-22 01:24:15,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:24:15,121 INFO L195 NwaCegarLoop]: trace histogram [20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:24:15,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-22 01:24:15,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:24:15,326 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-22 01:24:15,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:24:15,327 INFO L85 PathProgramCache]: Analyzing trace with hash -115374506, now seen corresponding path program 1 times [2022-11-22 01:24:15,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:24:15,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454471429] [2022-11-22 01:24:15,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:24:15,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:24:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:24:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-11-22 01:24:15,411 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:24:15,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454471429] [2022-11-22 01:24:15,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454471429] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:24:15,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023161263] [2022-11-22 01:24:15,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:24:15,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:24:15,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:24:15,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:24:15,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:24:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:24:15,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:24:15,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:24:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-11-22 01:24:15,555 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:24:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-11-22 01:24:15,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023161263] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:24:15,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [275842306] [2022-11-22 01:24:15,691 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-22 01:24:15,691 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:24:15,692 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:24:15,692 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:24:15,693 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:24:18,955 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 56 for LOIs [2022-11-22 01:24:18,968 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:24:22,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [275842306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:24:22,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:24:22,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [3, 3, 3] total 36 [2022-11-22 01:24:22,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947513512] [2022-11-22 01:24:22,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:24:22,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-22 01:24:22,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:24:22,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-22 01:24:22,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=1125, Unknown=0, NotChecked=0, Total=1332 [2022-11-22 01:24:22,367 INFO L87 Difference]: Start difference. First operand 353 states and 467 transitions. Second operand has 32 states, 27 states have (on average 1.962962962962963) internal successors, (53), 30 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-22 01:24:27,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:24:27,384 INFO L93 Difference]: Finished difference Result 497 states and 661 transitions. [2022-11-22 01:24:27,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-22 01:24:27,385 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 27 states have (on average 1.962962962962963) internal successors, (53), 30 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 123 [2022-11-22 01:24:27,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:24:27,386 INFO L225 Difference]: With dead ends: 497 [2022-11-22 01:24:27,386 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:24:27,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 300 SyntacticMatches, 35 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1717 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=769, Invalid=3137, Unknown=0, NotChecked=0, Total=3906 [2022-11-22 01:24:27,389 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 384 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:24:27,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 44 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 01:24:27,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:24:27,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:24:27,390 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) [2022-11-22 01:24:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:24:27,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-11-22 01:24:27,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:24:27,391 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:24:27,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 27 states have (on average 1.962962962962963) internal successors, (53), 30 states have internal predecessors, (53), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-22 01:24:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:24:27,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:24:27,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-22 01:24:27,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-22 01:24:27,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-22 01:24:27,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-22 01:24:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-22 01:24:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-22 01:24:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-22 01:24:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-22 01:24:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-22 01:24:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-22 01:24:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-22 01:24:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-22 01:24:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-22 01:24:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-22 01:24:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-22 01:24:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-22 01:24:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-22 01:24:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-22 01:24:27,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-22 01:24:27,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-22 01:24:27,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-22 01:24:27,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-22 01:24:27,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-22 01:24:27,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-22 01:24:27,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-22 01:24:27,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-22 01:24:27,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-22 01:24:27,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-22 01:24:27,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-22 01:24:27,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-22 01:24:27,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:24:27,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-22 01:24:27,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:24:36,566 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-22 01:24:36,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-22 01:24:36,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-22 01:24:36,567 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 80) no Hoare annotation was computed. [2022-11-22 01:24:36,567 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2022-11-22 01:24:36,567 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-11-22 01:24:36,568 INFO L899 garLoopResultBuilder]: For program point L36(lines 25 83) no Hoare annotation was computed. [2022-11-22 01:24:36,568 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 69 75) no Hoare annotation was computed. [2022-11-22 01:24:36,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:24:36,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:24:36,568 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 79) no Hoare annotation was computed. [2022-11-22 01:24:36,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-22 01:24:36,569 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (let ((.cse15 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~urilen~0#1| 1000000)) (.cse1 (<= |ULTIMATE.start_main_~scheme~0#1| 999999)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse4 (< 0 |ULTIMATE.start_main_~tokenlen~0#1|)) (.cse5 (= (select |#valid| 1) 1)) (.cse6 (<= 0 |ULTIMATE.start_main_~scheme~0#1|)) (.cse7 (= (select |#valid| 0) 0)) (.cse8 (= (select |#valid| 2) 1)) (.cse9 (= |#NULL.offset| 0)) (.cse10 (= (select .cse15 0) 48)) (.cse11 (= (select .cse15 1) 0)) (.cse12 (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000)) (.cse13 (< 0 |#StackHeapBarrier|)) (.cse14 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~cp~0#1|) .cse4 .cse5 (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= 1 |ULTIMATE.start_main_~urilen~0#1|) .cse12 .cse13 .cse14)))) [2022-11-22 01:24:36,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-22 01:24:36,569 INFO L895 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (not (= 0 |ULTIMATE.start_main_~scheme~0#1|)) (= 9 (select |#length| 2)) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,569 INFO L895 garLoopResultBuilder]: At program point L45-1(line 45) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (not (= 0 |ULTIMATE.start_main_~scheme~0#1|)) (= 9 (select |#length| 2)) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,569 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-22 01:24:36,569 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-11-22 01:24:36,569 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2022-11-22 01:24:36,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2022-11-22 01:24:36,570 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-22 01:24:36,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-22 01:24:36,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2022-11-22 01:24:36,570 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-22 01:24:36,570 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,570 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2022-11-22 01:24:36,571 INFO L895 garLoopResultBuilder]: At program point L71-1(line 71) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,571 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2022-11-22 01:24:36,571 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2022-11-22 01:24:36,571 INFO L899 garLoopResultBuilder]: For program point L38-4(lines 38 40) no Hoare annotation was computed. [2022-11-22 01:24:36,571 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~c~0#1| 0) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,571 INFO L895 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~c~0#1| 0) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,571 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-11-22 01:24:36,571 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-22 01:24:36,571 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2022-11-22 01:24:36,572 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-11-22 01:24:36,572 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2022-11-22 01:24:36,572 INFO L899 garLoopResultBuilder]: For program point L47-1(lines 47 52) no Hoare annotation was computed. [2022-11-22 01:24:36,572 INFO L895 garLoopResultBuilder]: At program point L47-3(lines 46 52) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (not (= |ULTIMATE.start_main_~urilen~0#1| |ULTIMATE.start_main_~cp~0#1|)) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| (+ |ULTIMATE.start_main_~urilen~0#1| 1)) 1 0) 0)) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,572 INFO L895 garLoopResultBuilder]: At program point L47-4(lines 47 52) the Hoare annotation is: (let ((.cse15 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~urilen~0#1| 1000000)) (.cse1 (<= |ULTIMATE.start_main_~scheme~0#1| 999999)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse4 (< 0 |ULTIMATE.start_main_~tokenlen~0#1|)) (.cse5 (= (select |#valid| 1) 1)) (.cse6 (<= 0 |ULTIMATE.start_main_~scheme~0#1|)) (.cse7 (= (select |#valid| 0) 0)) (.cse8 (= (select |#valid| 2) 1)) (.cse9 (= |#NULL.offset| 0)) (.cse10 (= (select .cse15 0) 48)) (.cse11 (= (select .cse15 1) 0)) (.cse12 (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000)) (.cse13 (< 0 |#StackHeapBarrier|)) (.cse14 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~cp~0#1|) .cse4 .cse5 (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= 1 |ULTIMATE.start_main_~urilen~0#1|) .cse12 .cse13 .cse14)))) [2022-11-22 01:24:36,572 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-22 01:24:36,573 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,573 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-22 01:24:36,573 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2022-11-22 01:24:36,573 INFO L899 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2022-11-22 01:24:36,574 INFO L895 garLoopResultBuilder]: At program point L56-2(line 56) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,574 INFO L899 garLoopResultBuilder]: For program point L56-3(line 56) no Hoare annotation was computed. [2022-11-22 01:24:36,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2022-11-22 01:24:36,574 INFO L895 garLoopResultBuilder]: At program point L81(lines 25 83) the Hoare annotation is: (<= |ULTIMATE.start_main_~urilen~0#1| 2147483647) [2022-11-22 01:24:36,574 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-22 01:24:36,575 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2022-11-22 01:24:36,575 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (< |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,575 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2022-11-22 01:24:36,575 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-22 01:24:36,575 INFO L899 garLoopResultBuilder]: For program point L65-1(lines 65 66) no Hoare annotation was computed. [2022-11-22 01:24:36,576 INFO L899 garLoopResultBuilder]: For program point L65-3(lines 65 77) no Hoare annotation was computed. [2022-11-22 01:24:36,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-22 01:24:36,576 INFO L895 garLoopResultBuilder]: At program point L65-5(lines 64 77) the Hoare annotation is: (let ((.cse17 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~urilen~0#1| 1000000)) (.cse1 (<= |ULTIMATE.start_main_~scheme~0#1| 999999)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse4 (<= 1 |ULTIMATE.start_main_~cp~0#1|)) (.cse5 (<= 1 |ULTIMATE.start_main_~scheme~0#1|)) (.cse6 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse7 (< 0 |ULTIMATE.start_main_~tokenlen~0#1|)) (.cse8 (= (select |#valid| 1) 1)) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= |#NULL.offset| 0)) (.cse12 (= (select .cse17 0) 48)) (.cse13 (= (select .cse17 1) 0)) (.cse14 (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000)) (.cse15 (< 0 |#StackHeapBarrier|)) (.cse16 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= |ULTIMATE.start_main_~cp~0#1| 2147483647) (<= |ULTIMATE.start_main_~c~0#1| 1000000) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= 1 |ULTIMATE.start_main_~urilen~0#1|) .cse14 .cse15 .cse16) (and (not (= |ULTIMATE.start_main_~urilen~0#1| |ULTIMATE.start_main_~cp~0#1|)) .cse0 (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| (+ |ULTIMATE.start_main_~urilen~0#1| 1)) 1 0) 0)) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16)))) [2022-11-22 01:24:36,576 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2022-11-22 01:24:36,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2022-11-22 01:24:36,577 INFO L895 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,577 INFO L899 garLoopResultBuilder]: For program point L57-2(line 57) no Hoare annotation was computed. [2022-11-22 01:24:36,577 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-22 01:24:36,577 INFO L895 garLoopResultBuilder]: At program point L82(lines 24 83) the Hoare annotation is: (<= |ULTIMATE.start_main_~urilen~0#1| 2147483647) [2022-11-22 01:24:36,578 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,578 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-22 01:24:36,578 INFO L899 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2022-11-22 01:24:36,578 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-22 01:24:36,579 INFO L899 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2022-11-22 01:24:36,579 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:24:36,579 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-22 01:24:36,579 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-11-22 01:24:36,579 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-22 01:24:36,579 INFO L899 garLoopResultBuilder]: For program point L58-2(line 58) no Hoare annotation was computed. [2022-11-22 01:24:36,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2022-11-22 01:24:36,580 INFO L899 garLoopResultBuilder]: For program point L58-3(line 58) no Hoare annotation was computed. [2022-11-22 01:24:36,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2022-11-22 01:24:36,580 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-22 01:24:36,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2022-11-22 01:24:36,580 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-11-22 01:24:36,581 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2022-11-22 01:24:36,581 INFO L895 garLoopResultBuilder]: At program point L42-2(line 42) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (not (= 0 |ULTIMATE.start_main_~scheme~0#1|)) (= 9 (select |#length| 2)) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,581 INFO L899 garLoopResultBuilder]: For program point L42-3(line 42) no Hoare annotation was computed. [2022-11-22 01:24:36,586 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (< (+ |ULTIMATE.start_main_~c~0#1| 1) |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~cp~0#1| 2147483647) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= 1 |ULTIMATE.start_main_~urilen~0#1|) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,587 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-22 01:24:36,587 INFO L895 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (< (+ |ULTIMATE.start_main_~c~0#1| 1) |ULTIMATE.start_main_~tokenlen~0#1|) (<= |ULTIMATE.start_main_~scheme~0#1| 999999) (= 2 (select |#length| 1)) (= 9 (select |#length| 2)) (<= 1 |ULTIMATE.start_main_~cp~0#1|) (<= 1 |ULTIMATE.start_main_~scheme~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (= (select |#valid| 1) 1) (not (= (ite (< |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~urilen~0#1|) 1 0) 0)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (not (= (+ |ULTIMATE.start_main_~cp~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|)) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 65) no Hoare annotation was computed. [2022-11-22 01:24:36,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2022-11-22 01:24:36,588 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2022-11-22 01:24:36,588 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-11-22 01:24:36,588 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-22 01:24:36,588 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 57) no Hoare annotation was computed. [2022-11-22 01:24:36,589 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-11-22 01:24:36,589 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-22 01:24:36,589 INFO L895 garLoopResultBuilder]: At program point L43-1(line 43) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~urilen~0#1| 1000000) (= |ULTIMATE.start_main_~cp~0#1| |ULTIMATE.start_main_~scheme~0#1|) (= 2 (select |#length| 1)) (<= (+ |ULTIMATE.start_main_~scheme~0#1| 1) |ULTIMATE.start_main_~urilen~0#1|) (not (= 0 |ULTIMATE.start_main_~scheme~0#1|)) (= 9 (select |#length| 2)) (< 0 |ULTIMATE.start_main_~tokenlen~0#1|) (= (select |#valid| 1) 1) (<= 0 |ULTIMATE.start_main_~scheme~0#1|) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (= (select .cse0 1) 0) (<= |ULTIMATE.start_main_~tokenlen~0#1| 1000000) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-22 01:24:36,589 INFO L899 garLoopResultBuilder]: For program point L43-2(line 43) no Hoare annotation was computed. [2022-11-22 01:24:36,590 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2022-11-22 01:24:36,590 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-11-22 01:24:36,590 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-22 01:24:36,590 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 25 83) no Hoare annotation was computed. [2022-11-22 01:24:36,590 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2022-11-22 01:24:36,590 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 17 22) no Hoare annotation was computed. [2022-11-22 01:24:36,594 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:24:36,597 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:24:36,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:24:36 BoogieIcfgContainer [2022-11-22 01:24:36,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:24:36,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:24:36,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:24:36,633 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:24:36,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:23:34" (3/4) ... [2022-11-22 01:24:36,636 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:24:36,642 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-22 01:24:36,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-22 01:24:36,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-22 01:24:36,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 01:24:36,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:24:36,696 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:24:36,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:24:36,697 INFO L158 Benchmark]: Toolchain (without parser) took 63288.16ms. Allocated memory was 165.7MB in the beginning and 513.8MB in the end (delta: 348.1MB). Free memory was 131.6MB in the beginning and 457.5MB in the end (delta: -325.9MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-11-22 01:24:36,697 INFO L158 Benchmark]: CDTParser took 13.21ms. Allocated memory is still 130.0MB. Free memory was 71.6MB in the beginning and 96.0MB in the end (delta: -24.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-22 01:24:36,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.89ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 120.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:24:36,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.39ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:24:36,699 INFO L158 Benchmark]: Boogie Preprocessor took 58.03ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 116.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:24:36,700 INFO L158 Benchmark]: RCFGBuilder took 525.80ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 99.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 01:24:36,700 INFO L158 Benchmark]: TraceAbstraction took 62241.19ms. Allocated memory was 165.7MB in the beginning and 513.8MB in the end (delta: 348.1MB). Free memory was 98.3MB in the beginning and 461.7MB in the end (delta: -363.5MB). Peak memory consumption was 278.2MB. Max. memory is 16.1GB. [2022-11-22 01:24:36,700 INFO L158 Benchmark]: Witness Printer took 63.44ms. Allocated memory is still 513.8MB. Free memory was 461.7MB in the beginning and 457.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:24:36,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 13.21ms. Allocated memory is still 130.0MB. Free memory was 71.6MB in the beginning and 96.0MB in the end (delta: -24.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.89ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 120.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.39ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.03ms. Allocated memory is still 165.7MB. Free memory was 117.9MB in the beginning and 116.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 525.80ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 99.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 62241.19ms. Allocated memory was 165.7MB in the beginning and 513.8MB in the end (delta: 348.1MB). Free memory was 98.3MB in the beginning and 461.7MB in the end (delta: -363.5MB). Peak memory consumption was 278.2MB. Max. memory is 16.1GB. * Witness Printer took 63.44ms. Allocated memory is still 513.8MB. Free memory was 461.7MB in the beginning and 457.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: 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 2 procedures, 103 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 62.1s, OverallIterations: 13, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3023 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2917 mSDsluCounter, 2181 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1148 mSDsCounter, 1218 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5893 IncrementalHoareTripleChecker+Invalid, 7111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1218 mSolverCounterUnsat, 1033 mSDtfsCounter, 5893 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1595 GetRequests, 1204 SyntacticMatches, 130 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6641 ImplicationChecksByTransitivity, 25.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=11, InterpolantAutomatonStates: 178, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 410 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 266 PreInvPairs, 492 NumberOfFragments, 1839 HoareAnnotationTreeSize, 266 FomulaSimplifications, 45108 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 23 FomulaSimplificationsInter, 59505 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1256 NumberOfCodeBlocks, 1256 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1727 ConstructedInterpolants, 0 QuantifiedInterpolants, 3248 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1148 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 23 InterpolantComputations, 8 PerfectInterpolantSequences, 4025/4178 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: OVERALL_TIME: 13.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 361, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 318, TOOLS_POST_TIME: 1.7s, TOOLS_POST_CALL_APPLICATIONS: 264, TOOLS_POST_CALL_TIME: 7.7s, TOOLS_POST_RETURN_APPLICATIONS: 212, TOOLS_POST_RETURN_TIME: 1.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 794, TOOLS_QUANTIFIERELIM_TIME: 10.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 864, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 286, DOMAIN_JOIN_TIME: 1.7s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 361, DOMAIN_ISBOTTOM_TIME: 0.5s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 8.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 8.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 212, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 11488, DAG_COMPRESSION_RETAINED_NODES: 687, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((((((((!(urilen == cp) && urilen <= 1000000) && !((if cp < urilen + 1 then 1 else 0) == 0)) && scheme <= 999999) && 2 == unknown-#length-unknown[1]) && 9 == unknown-#length-unknown[2]) && 1 <= cp) && 0 < tokenlen) && \valid[1] == 1) && 0 <= scheme) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && tokenlen <= 1000000) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: urilen <= 2147483647 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: urilen <= 2147483647 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((urilen <= 1000000 && scheme <= 999999) && 2 == unknown-#length-unknown[1]) && 9 == unknown-#length-unknown[2]) && 1 <= cp) && 1 <= scheme) && 0 <= c) && 0 < tokenlen) && cp <= 2147483647) && c <= 1000000) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 1 <= urilen) && tokenlen <= 1000000) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((!(urilen == cp) && urilen <= 1000000) && !((if cp < urilen + 1 then 1 else 0) == 0)) && scheme <= 999999) && 2 == unknown-#length-unknown[1]) && 9 == unknown-#length-unknown[2]) && 1 <= cp) && 1 <= scheme) && 0 <= c) && 0 < tokenlen) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && tokenlen <= 1000000) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-22 01:24:36,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b65d13c9-286e-4fb1-883b-876efcc96b4d/bin/utaipan-g80aRyZoba/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