./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0 --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 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 --- 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-e04fb08 [2022-11-16 19:47:38,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:47:38,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:47:38,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:47:38,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:47:38,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:47:38,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:47:38,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:47:38,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:47:38,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:47:38,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:47:38,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:47:38,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:47:38,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:47:38,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:47:38,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:47:38,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:47:38,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:47:38,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:47:38,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:47:38,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:47:38,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:47:38,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:47:38,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:47:38,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:47:38,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:47:38,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:47:38,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:47:38,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:47:38,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:47:38,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:47:38,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:47:38,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:47:38,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:47:38,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:47:38,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:47:38,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:47:38,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:47:38,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:47:38,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:47:38,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:47:38,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 19:47:38,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:47:38,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:47:38,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:47:38,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:47:38,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:47:38,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:47:38,614 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:47:38,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:47:38,614 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:47:38,614 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:47:38,615 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:47:38,615 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:47:38,615 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:47:38,615 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:47:38,615 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:47:38,616 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:47:38,616 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:47:38,616 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:47:38,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:47:38,617 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 19:47:38,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:47:38,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:47:38,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 19:47:38,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:47:38,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:47:38,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:47:38,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:47:38,623 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 19:47:38,624 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 19:47:38,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:47:38,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:47:38,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:47:38,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:47:38,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:47:38,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:47:38,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:47:38,627 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:47:38,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:47:38,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:47:38,627 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:47:38,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:47:38,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:47:38,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:47:38,628 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_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 [2022-11-16 19:47:38,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:47:38,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:47:38,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:47:38,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:47:38,936 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:47:38,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2022-11-16 19:47:39,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/data/b68bef027/33f0db4615254e9ea93c67d843a68edc/FLAGd6ea56e13 [2022-11-16 19:47:39,703 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:47:39,708 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2022-11-16 19:47:39,717 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/data/b68bef027/33f0db4615254e9ea93c67d843a68edc/FLAGd6ea56e13 [2022-11-16 19:47:40,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/data/b68bef027/33f0db4615254e9ea93c67d843a68edc [2022-11-16 19:47:40,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:47:40,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:47:40,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:47:40,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:47:40,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:47:40,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad5c29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40, skipping insertion in model container [2022-11-16 19:47:40,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:47:40,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:47:40,335 WARN L229 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_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2022-11-16 19:47:40,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:47:40,369 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:47:40,385 WARN L229 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_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2022-11-16 19:47:40,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:47:40,409 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:47:40,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40 WrapperNode [2022-11-16 19:47:40,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:47:40,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:47:40,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:47:40,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:47:40,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,458 INFO L138 Inliner]: procedures = 16, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2022-11-16 19:47:40,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:47:40,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:47:40,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:47:40,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:47:40,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,485 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:47:40,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:47:40,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:47:40,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:47:40,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (1/1) ... [2022-11-16 19:47:40,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:47:40,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:47:40,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:47:40,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:47:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:47:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:47:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:47:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:47:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-16 19:47:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-16 19:47:40,676 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:47:40,678 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:47:40,994 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:47:41,027 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:47:41,027 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 19:47:41,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:47:41 BoogieIcfgContainer [2022-11-16 19:47:41,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:47:41,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:47:41,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:47:41,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:47:41,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:47:40" (1/3) ... [2022-11-16 19:47:41,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98dc45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:47:41, skipping insertion in model container [2022-11-16 19:47:41,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:40" (2/3) ... [2022-11-16 19:47:41,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98dc45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:47:41, skipping insertion in model container [2022-11-16 19:47:41,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:47:41" (3/3) ... [2022-11-16 19:47:41,060 INFO L112 eAbstractionObserver]: Analyzing ICFG sendmail-close-angle.i [2022-11-16 19:47:41,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:47:41,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-16 19:47:41,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:47:41,242 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;@3048f94d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:47:41,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-16 19:47:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 33 states have internal predecessors, (38), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 19:47:41,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 19:47:41,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:41,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 19:47:41,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:41,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:41,292 INFO L85 PathProgramCache]: Analyzing trace with hash 128532284, now seen corresponding path program 1 times [2022-11-16 19:47:41,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:41,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8266772] [2022-11-16 19:47:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:41,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:47:41,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:41,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8266772] [2022-11-16 19:47:41,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8266772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:47:41,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:47:41,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 19:47:41,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979169106] [2022-11-16 19:47:41,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:47:41,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:47:41,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:47:41,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:47:41,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:47:41,698 INFO L87 Difference]: Start difference. First operand has 42 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 33 states have internal predecessors, (38), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:47:41,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:47:41,778 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2022-11-16 19:47:41,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:47:41,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 19:47:41,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:47:41,805 INFO L225 Difference]: With dead ends: 60 [2022-11-16 19:47:41,807 INFO L226 Difference]: Without dead ends: 39 [2022-11-16 19:47:41,811 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 [2022-11-16 19:47:41,816 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 31 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:47:41,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 46 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:47:41,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-16 19:47:41,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-16 19:47:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 30 states have internal predecessors, (31), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 19:47:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2022-11-16 19:47:41,861 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 5 [2022-11-16 19:47:41,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:47:41,861 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2022-11-16 19:47:41,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:47:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-11-16 19:47:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 19:47:41,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:41,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-16 19:47:41,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:47:41,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:41,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:41,865 INFO L85 PathProgramCache]: Analyzing trace with hash -310466437, now seen corresponding path program 1 times [2022-11-16 19:47:41,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:41,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39005087] [2022-11-16 19:47:41,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:47:41,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:41,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39005087] [2022-11-16 19:47:41,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39005087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:47:41,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:47:41,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 19:47:41,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105684122] [2022-11-16 19:47:41,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:47:41,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:47:41,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:47:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:47:41,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:47:41,918 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:47:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:47:41,950 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2022-11-16 19:47:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:47:41,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-16 19:47:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:47:41,952 INFO L225 Difference]: With dead ends: 39 [2022-11-16 19:47:41,953 INFO L226 Difference]: Without dead ends: 38 [2022-11-16 19:47:41,953 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 [2022-11-16 19:47:41,955 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 24 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:47:41,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 45 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:47:41,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-16 19:47:41,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-16 19:47:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 29 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 19:47:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-16 19:47:41,969 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 6 [2022-11-16 19:47:41,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:47:41,969 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-16 19:47:41,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:47:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-16 19:47:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 19:47:41,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:41,971 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:47:41,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:47:41,972 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:41,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:41,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1573586628, now seen corresponding path program 1 times [2022-11-16 19:47:41,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:41,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128250741] [2022-11-16 19:47:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:41,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 19:47:42,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:42,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128250741] [2022-11-16 19:47:42,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128250741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:47:42,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:47:42,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:47:42,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564489359] [2022-11-16 19:47:42,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:47:42,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:47:42,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:47:42,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:47:42,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:47:42,122 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:47:42,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:47:42,243 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2022-11-16 19:47:42,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:47:42,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2022-11-16 19:47:42,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:47:42,245 INFO L225 Difference]: With dead ends: 55 [2022-11-16 19:47:42,245 INFO L226 Difference]: Without dead ends: 53 [2022-11-16 19:47:42,246 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 [2022-11-16 19:47:42,248 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 10 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:47:42,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 102 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:47:42,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-16 19:47:42,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2022-11-16 19:47:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 34 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 19:47:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2022-11-16 19:47:42,264 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 16 [2022-11-16 19:47:42,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:47:42,265 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2022-11-16 19:47:42,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:47:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2022-11-16 19:47:42,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 19:47:42,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:42,266 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:47:42,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 19:47:42,267 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:42,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:42,268 INFO L85 PathProgramCache]: Analyzing trace with hash 554067020, now seen corresponding path program 1 times [2022-11-16 19:47:42,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:42,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340651419] [2022-11-16 19:47:42,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:42,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:42,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 19:47:42,419 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:42,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340651419] [2022-11-16 19:47:42,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340651419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:47:42,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:47:42,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:47:42,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093787753] [2022-11-16 19:47:42,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:47:42,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:47:42,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:47:42,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:47:42,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:47:42,423 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:47:42,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:47:42,529 INFO L93 Difference]: Finished difference Result 53 states and 67 transitions. [2022-11-16 19:47:42,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:47:42,530 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-11-16 19:47:42,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:47:42,531 INFO L225 Difference]: With dead ends: 53 [2022-11-16 19:47:42,532 INFO L226 Difference]: Without dead ends: 51 [2022-11-16 19:47:42,532 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 [2022-11-16 19:47:42,534 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 7 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:47:42,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 104 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:47:42,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-16 19:47:42,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-16 19:47:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 37 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 19:47:42,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2022-11-16 19:47:42,548 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 17 [2022-11-16 19:47:42,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:47:42,549 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2022-11-16 19:47:42,549 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:47:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-16 19:47:42,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 19:47:42,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:42,551 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:47:42,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 19:47:42,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:42,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:42,553 INFO L85 PathProgramCache]: Analyzing trace with hash -117534218, now seen corresponding path program 1 times [2022-11-16 19:47:42,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:42,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438654126] [2022-11-16 19:47:42,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:42,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 19:47:42,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:42,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438654126] [2022-11-16 19:47:42,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438654126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:47:42,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:47:42,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:47:42,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645884431] [2022-11-16 19:47:42,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:47:42,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:47:42,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:47:42,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:47:42,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:47:42,685 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:47:42,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:47:42,739 INFO L93 Difference]: Finished difference Result 62 states and 77 transitions. [2022-11-16 19:47:42,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:47:42,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-11-16 19:47:42,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:47:42,741 INFO L225 Difference]: With dead ends: 62 [2022-11-16 19:47:42,741 INFO L226 Difference]: Without dead ends: 60 [2022-11-16 19:47:42,742 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 [2022-11-16 19:47:42,743 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 12 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:47:42,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 127 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 19:47:42,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-16 19:47:42,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2022-11-16 19:47:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 19:47:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-11-16 19:47:42,754 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 19 [2022-11-16 19:47:42,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:47:42,755 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-11-16 19:47:42,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 19:47:42,755 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-16 19:47:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 19:47:42,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:42,756 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:47:42,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 19:47:42,757 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:42,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1141198207, now seen corresponding path program 1 times [2022-11-16 19:47:42,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:42,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889347744] [2022-11-16 19:47:42,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:42,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 19:47:42,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:42,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889347744] [2022-11-16 19:47:42,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889347744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:47:42,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:47:42,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:47:42,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17335183] [2022-11-16 19:47:42,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:47:42,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 19:47:42,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:47:42,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 19:47:42,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:47:42,869 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 19:47:42,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:47:42,978 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-11-16 19:47:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:47:42,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2022-11-16 19:47:42,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:47:42,980 INFO L225 Difference]: With dead ends: 60 [2022-11-16 19:47:42,980 INFO L226 Difference]: Without dead ends: 59 [2022-11-16 19:47:42,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:47:42,982 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 16 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:47:42,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 156 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:47:42,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-16 19:47:42,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2022-11-16 19:47:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 41 states have internal predecessors, (45), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 19:47:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2022-11-16 19:47:42,994 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 25 [2022-11-16 19:47:42,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:47:42,995 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2022-11-16 19:47:42,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 19:47:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-11-16 19:47:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 19:47:42,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:42,997 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:47:42,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 19:47:42,997 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:42,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:42,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1017405947, now seen corresponding path program 1 times [2022-11-16 19:47:42,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:42,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334497704] [2022-11-16 19:47:42,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:42,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 19:47:43,096 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:43,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334497704] [2022-11-16 19:47:43,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334497704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:47:43,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:47:43,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:47:43,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176270056] [2022-11-16 19:47:43,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:47:43,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 19:47:43,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:47:43,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 19:47:43,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:47:43,099 INFO L87 Difference]: Start difference. First operand 57 states and 73 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 19:47:43,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:47:43,233 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2022-11-16 19:47:43,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 19:47:43,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2022-11-16 19:47:43,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:47:43,235 INFO L225 Difference]: With dead ends: 59 [2022-11-16 19:47:43,236 INFO L226 Difference]: Without dead ends: 48 [2022-11-16 19:47:43,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 19:47:43,237 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 9 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:47:43,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 160 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 19:47:43,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-16 19:47:43,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-16 19:47:43,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 36 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 19:47:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2022-11-16 19:47:43,247 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 26 [2022-11-16 19:47:43,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:47:43,248 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2022-11-16 19:47:43,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 19:47:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-16 19:47:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 19:47:43,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:43,250 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-11-16 19:47:43,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 19:47:43,251 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:43,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:43,252 INFO L85 PathProgramCache]: Analyzing trace with hash -2111241142, now seen corresponding path program 1 times [2022-11-16 19:47:43,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:43,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649288443] [2022-11-16 19:47:43,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:43,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:43,407 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 19:47:43,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:43,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649288443] [2022-11-16 19:47:43,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649288443] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:47:43,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337305698] [2022-11-16 19:47:43,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:43,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:47:43,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:47:43,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:47:43,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 19:47:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:43,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 19:47:43,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:47:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 19:47:43,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:47:43,789 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 19:47:43,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337305698] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:47:43,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [929625651] [2022-11-16 19:47:43,815 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-16 19:47:43,815 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:47:43,820 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:47:43,827 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:47:43,828 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:47:47,673 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-11-16 19:47:47,684 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:47:49,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [929625651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:47:49,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 19:47:49,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [5, 5, 5] total 29 [2022-11-16 19:47:49,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418134675] [2022-11-16 19:47:49,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:47:49,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-16 19:47:49,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:47:49,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-16 19:47:49,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2022-11-16 19:47:49,791 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 20 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-16 19:47:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:47:54,273 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2022-11-16 19:47:54,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-16 19:47:54,274 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 36 [2022-11-16 19:47:54,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:47:54,277 INFO L225 Difference]: With dead ends: 57 [2022-11-16 19:47:54,277 INFO L226 Difference]: Without dead ends: 51 [2022-11-16 19:47:54,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 79 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=425, Invalid=1831, Unknown=0, NotChecked=0, Total=2256 [2022-11-16 19:47:54,279 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 164 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:47:54,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 55 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 19:47:54,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-16 19:47:54,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2022-11-16 19:47:54,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 19:47:54,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2022-11-16 19:47:54,298 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 36 [2022-11-16 19:47:54,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:47:54,299 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2022-11-16 19:47:54,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-16 19:47:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-16 19:47:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 19:47:54,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:47:54,301 INFO L195 NwaCegarLoop]: trace histogram [8, 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] [2022-11-16 19:47:54,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 19:47:54,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:47:54,508 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-16 19:47:54,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:47:54,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1552249925, now seen corresponding path program 1 times [2022-11-16 19:47:54,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:47:54,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947064774] [2022-11-16 19:47:54,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:54,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:47:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-16 19:47:54,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:47:54,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947064774] [2022-11-16 19:47:54,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947064774] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 19:47:54,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450889195] [2022-11-16 19:47:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:47:54,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:47:54,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:47:54,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:47:54,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 19:47:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:47:54,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 19:47:54,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:47:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-16 19:47:54,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:47:55,086 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-16 19:47:55,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450889195] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:47:55,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1221488147] [2022-11-16 19:47:55,089 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2022-11-16 19:47:55,089 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 19:47:55,090 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 19:47:55,090 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 19:47:55,090 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 19:47:58,650 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2022-11-16 19:47:58,652 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 19:48:00,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1221488147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:48:00,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 19:48:00,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [7, 7, 7] total 32 [2022-11-16 19:48:00,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775197033] [2022-11-16 19:48:00,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:48:00,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-16 19:48:00,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:48:00,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-16 19:48:00,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=916, Unknown=0, NotChecked=0, Total=1056 [2022-11-16 19:48:00,435 INFO L87 Difference]: Start difference. First operand 35 states and 43 transitions. Second operand has 19 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 19:48:02,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:48:02,607 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2022-11-16 19:48:02,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 19:48:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 45 [2022-11-16 19:48:02,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:48:02,608 INFO L225 Difference]: With dead ends: 51 [2022-11-16 19:48:02,608 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 19:48:02,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 99 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=327, Invalid=1743, Unknown=0, NotChecked=0, Total=2070 [2022-11-16 19:48:02,611 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 112 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:48:02,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 27 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 19:48:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 19:48:02,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 19:48:02,612 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) [2022-11-16 19:48:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 19:48:02,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2022-11-16 19:48:02,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:48:02,613 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 19:48:02,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 1.4) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 19:48:02,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 19:48:02,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 19:48:02,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-16 19:48:02,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-16 19:48:02,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-16 19:48:02,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-16 19:48:02,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-16 19:48:02,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-16 19:48:02,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-16 19:48:02,618 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-16 19:48:02,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-16 19:48:02,619 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-16 19:48:02,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:48:02,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:48:02,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 19:48:05,268 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2022-11-16 19:48:05,269 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-16 19:48:05,269 INFO L899 garLoopResultBuilder]: For program point L31-1(lines 25 56) no Hoare annotation was computed. [2022-11-16 19:48:05,270 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (let ((.cse0 (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647)) (.cse3 (<= 1 |ULTIMATE.start_main_~buf~0#1|))) (or (let ((.cse2 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647) .cse0 (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) (<= |ULTIMATE.start_main_~in~0#1| 2147483647) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~in~0#1|) (= 9 (select |#length| 2)) (<= 0 (+ |ULTIMATE.start_main_~buflim~0#1| 1)) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) (= (select |#valid| 0) 0) .cse1 (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse2 0) 48) (<= 1 |ULTIMATE.start_main_~inlen~0#1|) (= (select .cse2 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~buf~0#1| 1) .cse1 .cse3))) [2022-11-16 19:48:05,270 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (let ((.cse0 (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647)) (.cse3 (<= 1 |ULTIMATE.start_main_~buf~0#1|))) (or (let ((.cse2 (select |#memory_int| 1))) (and (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647) .cse0 (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) (<= |ULTIMATE.start_main_~in~0#1| 2147483647) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~in~0#1|) (= 9 (select |#length| 2)) (<= 0 (+ |ULTIMATE.start_main_~buflim~0#1| 1)) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) (= (select |#valid| 0) 0) .cse1 (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse2 0) 48) (<= 1 |ULTIMATE.start_main_~inlen~0#1|) (= (select .cse2 1) 0) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) .cse3)) (and .cse0 (<= |ULTIMATE.start_main_~buf~0#1| 1) .cse1 .cse3))) [2022-11-16 19:48:05,271 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-16 19:48:05,271 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-16 19:48:05,271 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-16 19:48:05,271 INFO L899 garLoopResultBuilder]: For program point L32(lines 25 56) no Hoare annotation was computed. [2022-11-16 19:48:05,272 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 19:48:05,272 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 19:48:05,272 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 19:48:05,272 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2022-11-16 19:48:05,273 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (let ((.cse0 (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|)) (.cse2 (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647))) (or (let ((.cse3 (select |#memory_int| 1)) (.cse1 (+ |ULTIMATE.start_main_~buflim~0#1| 1))) (and (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647) .cse0 (not (= 0 (ite (< |ULTIMATE.start_main_~in~0#1| |ULTIMATE.start_main_~inlen~0#1|) 1 0))) (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~in~0#1|) (= 9 (select |#length| 2)) (<= 0 .cse1) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) (= (select |#valid| 0) 0) .cse2 (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse3 0) 48) (= (select .cse3 1) 0) (not (= .cse1 |ULTIMATE.start_main_~buf~0#1|)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= 1 |ULTIMATE.start_main_~buf~0#1|))) (and .cse0 (= |ULTIMATE.start_main_~buf~0#1| 0) .cse2 (= |ULTIMATE.start_main_~in~0#1| 0)))) [2022-11-16 19:48:05,273 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-16 19:48:05,286 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-16 19:48:05,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-16 19:48:05,287 INFO L895 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: (and (let ((.cse14 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647)) (.cse1 (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse4 (= (select |#valid| 1) 1)) (.cse5 (= (select |#valid| 0) 0)) (.cse6 (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647)) (.cse7 (= (select |#valid| 2) 1)) (.cse8 (= |#NULL.offset| 0)) (.cse9 (not (= |ULTIMATE.start_main_~buf~0#1| |ULTIMATE.start_main_~buflim~0#1|))) (.cse10 (= (select .cse14 0) 48)) (.cse11 (= (select .cse14 1) 0)) (.cse12 (< 0 |#StackHeapBarrier|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~buf~0#1| 0) .cse2 (= |ULTIMATE.start_main_~bufferlen~0#1| (+ 2 |ULTIMATE.start_main_~buflim~0#1|)) .cse3 (< |ULTIMATE.start_main_~bufferlen~0#1| |ULTIMATE.start_main_~inlen~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~in~0#1| 0) .cse9 .cse10 .cse11 .cse12) (let ((.cse13 (+ |ULTIMATE.start_main_~buflim~0#1| 1))) (and .cse0 .cse1 (not (= 0 (ite (< |ULTIMATE.start_main_~in~0#1| |ULTIMATE.start_main_~inlen~0#1|) 1 0))) (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) .cse2 (<= 1 |ULTIMATE.start_main_~in~0#1|) .cse3 (<= 0 .cse13) .cse4 (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= .cse13 |ULTIMATE.start_main_~buf~0#1|)) .cse12 (<= 1 |ULTIMATE.start_main_~buf~0#1|)))))) (= |#NULL.base| 0)) [2022-11-16 19:48:05,287 INFO L895 garLoopResultBuilder]: At program point L41-1(line 41) the Hoare annotation is: (and (let ((.cse14 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647)) (.cse1 (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse4 (= (select |#valid| 1) 1)) (.cse5 (= (select |#valid| 0) 0)) (.cse6 (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647)) (.cse7 (= (select |#valid| 2) 1)) (.cse8 (= |#NULL.offset| 0)) (.cse9 (not (= |ULTIMATE.start_main_~buf~0#1| |ULTIMATE.start_main_~buflim~0#1|))) (.cse10 (= (select .cse14 0) 48)) (.cse11 (= (select .cse14 1) 0)) (.cse12 (< 0 |#StackHeapBarrier|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~buf~0#1| 0) .cse2 (= |ULTIMATE.start_main_~bufferlen~0#1| (+ 2 |ULTIMATE.start_main_~buflim~0#1|)) .cse3 (< |ULTIMATE.start_main_~bufferlen~0#1| |ULTIMATE.start_main_~inlen~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~in~0#1| 0) .cse9 .cse10 .cse11 .cse12) (let ((.cse13 (+ |ULTIMATE.start_main_~buflim~0#1| 1))) (and .cse0 .cse1 (not (= 0 (ite (< |ULTIMATE.start_main_~in~0#1| |ULTIMATE.start_main_~inlen~0#1|) 1 0))) (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) .cse2 (<= 1 |ULTIMATE.start_main_~in~0#1|) .cse3 (<= 0 .cse13) .cse4 (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= .cse13 |ULTIMATE.start_main_~buf~0#1|)) .cse12 (<= 1 |ULTIMATE.start_main_~buf~0#1|)))))) (= |#NULL.base| 0)) [2022-11-16 19:48:05,288 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 37 48) no Hoare annotation was computed. [2022-11-16 19:48:05,288 INFO L895 garLoopResultBuilder]: At program point L37-3(lines 37 48) the Hoare annotation is: (let ((.cse0 (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|)) (.cse2 (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647))) (or (let ((.cse3 (select |#memory_int| 1)) (.cse1 (+ |ULTIMATE.start_main_~buflim~0#1| 1))) (and (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647) .cse0 (not (= 0 (ite (< |ULTIMATE.start_main_~in~0#1| |ULTIMATE.start_main_~inlen~0#1|) 1 0))) (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~in~0#1|) (= 9 (select |#length| 2)) (<= 0 .cse1) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) (= (select |#valid| 0) 0) .cse2 (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse3 0) 48) (= (select .cse3 1) 0) (not (= .cse1 |ULTIMATE.start_main_~buf~0#1|)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= 1 |ULTIMATE.start_main_~buf~0#1|))) (and .cse0 (= |ULTIMATE.start_main_~buf~0#1| 0) .cse2 (= |ULTIMATE.start_main_~in~0#1| 0)))) [2022-11-16 19:48:05,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 19:48:05,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 19:48:05,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 19:48:05,289 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-16 19:48:05,289 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-11-16 19:48:05,289 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-16 19:48:05,290 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (+ |ULTIMATE.start_main_~buflim~0#1| 1))) (and (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647) (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|) (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) (<= |ULTIMATE.start_main_~in~0#1| 2147483647) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~in~0#1|) (= 9 (select |#length| 2)) (<= 0 .cse0) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) (= (select |#valid| 0) 0) (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) (<= 1 |ULTIMATE.start_main_~inlen~0#1|) (= (select .cse1 1) 0) (not (= .cse0 |ULTIMATE.start_main_~buf~0#1|)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= 1 |ULTIMATE.start_main_~buf~0#1|))) [2022-11-16 19:48:05,290 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (+ |ULTIMATE.start_main_~buflim~0#1| 1))) (and (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647) (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|) (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) (<= |ULTIMATE.start_main_~in~0#1| 2147483647) (= 2 (select |#length| 1)) (<= 1 |ULTIMATE.start_main_~in~0#1|) (= 9 (select |#length| 2)) (<= 0 .cse0) (= (select |#valid| 1) 1) (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) (= (select |#valid| 0) 0) (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) (<= 1 |ULTIMATE.start_main_~inlen~0#1|) (= (select .cse1 1) 0) (not (= .cse0 |ULTIMATE.start_main_~buf~0#1|)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (<= 1 |ULTIMATE.start_main_~buf~0#1|))) [2022-11-16 19:48:05,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-16 19:48:05,291 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2022-11-16 19:48:05,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-16 19:48:05,291 INFO L895 garLoopResultBuilder]: At program point L55(lines 25 56) the Hoare annotation is: (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647) [2022-11-16 19:48:05,291 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2022-11-16 19:48:05,291 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2022-11-16 19:48:05,292 INFO L895 garLoopResultBuilder]: At program point L47(lines 37 48) the Hoare annotation is: (let ((.cse13 (select |#memory_int| 1))) (let ((.cse0 (<= |ULTIMATE.start_main_~inlen~0#1| 2147483647)) (.cse1 (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|)) (.cse2 (= 2 (select |#length| 1))) (.cse3 (= 9 (select |#length| 2))) (.cse5 (= (select |#valid| 1) 1)) (.cse6 (= (select |#valid| 0) 0)) (.cse7 (= (select |#valid| 2) 1)) (.cse8 (= |#NULL.offset| 0)) (.cse9 (= (select .cse13 0) 48)) (.cse10 (= (select .cse13 1) 0)) (.cse11 (< 0 |#StackHeapBarrier|)) (.cse12 (= |#NULL.base| 0))) (or (let ((.cse4 (+ |ULTIMATE.start_main_~buflim~0#1| 1))) (and .cse0 .cse1 (not (= 0 (ite (< |ULTIMATE.start_main_~in~0#1| |ULTIMATE.start_main_~inlen~0#1|) 1 0))) (not (= (ite (< |ULTIMATE.start_main_~buf~0#1| (+ |ULTIMATE.start_main_~bufferlen~0#1| 1)) 1 0) 0)) .cse2 (<= 1 |ULTIMATE.start_main_~in~0#1|) .cse3 (<= 0 .cse4) .cse5 (<= |ULTIMATE.start_main_~buflim~0#1| 2147483645) .cse6 (<= |ULTIMATE.start_main_~bufferlen~0#1| 2147483647) .cse7 .cse8 .cse9 .cse10 (not (= .cse4 |ULTIMATE.start_main_~buf~0#1|)) .cse11 .cse12 (<= 1 |ULTIMATE.start_main_~buf~0#1|))) (and .cse0 .cse1 (= |ULTIMATE.start_main_~buf~0#1| 0) .cse2 (= |ULTIMATE.start_main_~bufferlen~0#1| (+ 2 |ULTIMATE.start_main_~buflim~0#1|)) .cse3 (< |ULTIMATE.start_main_~bufferlen~0#1| |ULTIMATE.start_main_~inlen~0#1|) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~in~0#1| 0) .cse9 .cse10 .cse11 .cse12)))) [2022-11-16 19:48:05,292 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-16 19:48:05,292 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2022-11-16 19:48:05,293 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2022-11-16 19:48:05,293 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 40) no Hoare annotation was computed. [2022-11-16 19:48:05,293 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2022-11-16 19:48:05,293 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 17 22) no Hoare annotation was computed. [2022-11-16 19:48:05,297 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:48:05,300 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:48:05,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:48:05 BoogieIcfgContainer [2022-11-16 19:48:05,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:48:05,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:48:05,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:48:05,346 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:48:05,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:47:41" (3/4) ... [2022-11-16 19:48:05,350 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 19:48:05,357 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-11-16 19:48:05,366 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-16 19:48:05,366 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 19:48:05,367 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 19:48:05,367 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 19:48:05,426 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 19:48:05,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:48:05,427 INFO L158 Benchmark]: Toolchain (without parser) took 25389.88ms. Allocated memory was 140.5MB in the beginning and 390.1MB in the end (delta: 249.6MB). Free memory was 103.9MB in the beginning and 192.3MB in the end (delta: -88.4MB). Peak memory consumption was 160.7MB. Max. memory is 16.1GB. [2022-11-16 19:48:05,428 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory was 110.6MB in the beginning and 110.5MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:48:05,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.85ms. Allocated memory is still 140.5MB. Free memory was 103.9MB in the beginning and 114.6MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 19:48:05,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.04ms. Allocated memory is still 140.5MB. Free memory was 114.3MB in the beginning and 112.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:48:05,430 INFO L158 Benchmark]: Boogie Preprocessor took 28.44ms. Allocated memory is still 140.5MB. Free memory was 112.8MB in the beginning and 111.9MB in the end (delta: 891.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:48:05,431 INFO L158 Benchmark]: RCFGBuilder took 541.19ms. Allocated memory is still 140.5MB. Free memory was 111.6MB in the beginning and 98.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 19:48:05,431 INFO L158 Benchmark]: TraceAbstraction took 24310.99ms. Allocated memory was 140.5MB in the beginning and 390.1MB in the end (delta: 249.6MB). Free memory was 97.9MB in the beginning and 195.4MB in the end (delta: -97.6MB). Peak memory consumption was 218.2MB. Max. memory is 16.1GB. [2022-11-16 19:48:05,432 INFO L158 Benchmark]: Witness Printer took 81.40ms. Allocated memory is still 390.1MB. Free memory was 195.4MB in the beginning and 192.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:48:05,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 140.5MB. Free memory was 110.6MB in the beginning and 110.5MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.85ms. Allocated memory is still 140.5MB. Free memory was 103.9MB in the beginning and 114.6MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.04ms. Allocated memory is still 140.5MB. Free memory was 114.3MB in the beginning and 112.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.44ms. Allocated memory is still 140.5MB. Free memory was 112.8MB in the beginning and 111.9MB in the end (delta: 891.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.19ms. Allocated memory is still 140.5MB. Free memory was 111.6MB in the beginning and 98.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 24310.99ms. Allocated memory was 140.5MB in the beginning and 390.1MB in the end (delta: 249.6MB). Free memory was 97.9MB in the beginning and 195.4MB in the end (delta: -97.6MB). Peak memory consumption was 218.2MB. Max. memory is 16.1GB. * Witness Printer took 81.40ms. Allocated memory is still 390.1MB. Free memory was 195.4MB in the beginning and 192.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: 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: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: 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: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: 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, 42 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 9, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 413 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 385 mSDsluCounter, 822 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 508 mSDsCounter, 193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1079 IncrementalHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 193 mSolverCounterUnsat, 314 mSDtfsCounter, 1079 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 311 GetRequests, 184 SyntacticMatches, 14 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=6, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 32 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 34 PreInvPairs, 53 NumberOfFragments, 1146 HoareAnnotationTreeSize, 34 FomulaSimplifications, 87 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 11 FomulaSimplificationsInter, 4508 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 740 SizeOfPredicates, 5 NumberOfNonLiveVariables, 236 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 288/300 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: 7.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 107, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 95, TOOLS_POST_TIME: 0.9s, TOOLS_POST_CALL_APPLICATIONS: 94, TOOLS_POST_CALL_TIME: 4.4s, TOOLS_POST_RETURN_APPLICATIONS: 80, TOOLS_POST_RETURN_TIME: 0.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 269, TOOLS_QUANTIFIERELIM_TIME: 5.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 266, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 104, DOMAIN_JOIN_TIME: 1.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 107, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 5.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 80, CALL_SUMMARIZER_CACHE_MISSES: 2, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 1896, DAG_COMPRESSION_RETAINED_NODES: 198, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: (((((((((((((((((((inlen <= 2147483647 && 2 <= bufferlen) && !(0 == (if in < inlen then 1 else 0))) && !((if buf < bufferlen + 1 then 1 else 0) == 0)) && 2 == unknown-#length-unknown[1]) && 1 <= in) && 9 == unknown-#length-unknown[2]) && 0 <= buflim + 1) && \valid[1] == 1) && buflim <= 2147483645) && \valid[0] == 0) && bufferlen <= 2147483647) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && !(buflim + 1 == buf)) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) && 1 <= buf) || (((((((((((((((inlen <= 2147483647 && 2 <= bufferlen) && buf == 0) && 2 == unknown-#length-unknown[1]) && bufferlen == 2 + buflim) && 9 == unknown-#length-unknown[2]) && bufferlen < inlen) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && in == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: bufferlen <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-16 19:48:05,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_812bab3b-3993-40ad-8b5f-08d5a4a1e5cf/bin/utaipan-Xvt2sAort0/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