./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8661b1e533413e4de6576c4feab251d05a672526bd5f59b260c6cb9f9c05939 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:25:06,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:25:06,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:25:06,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:25:06,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:25:06,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:25:06,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:25:06,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:25:06,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:25:06,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:25:06,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:25:06,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:25:06,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:25:06,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:25:06,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:25:06,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:25:06,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:25:06,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:25:06,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:25:06,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:25:06,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:25:06,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:25:06,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:25:06,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:25:06,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:25:06,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:25:06,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:25:06,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:25:06,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:25:06,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:25:06,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:25:06,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:25:06,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:25:06,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:25:06,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:25:06,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:25:06,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:25:06,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:25:06,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:25:06,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:25:06,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:25:06,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:25:06,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:25:06,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:25:06,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:25:06,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:25:06,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:25:06,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:25:06,858 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:25:06,858 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:25:06,858 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:25:06,859 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:25:06,860 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:25:06,860 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:25:06,861 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:25:06,861 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:25:06,861 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:25:06,861 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:25:06,862 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:25:06,862 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:25:06,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:25:06,864 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:25:06,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:25:06,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:25:06,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:25:06,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:25:06,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:25:06,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:25:06,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:25:06,866 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:25:06,867 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:25:06,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:25:06,867 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:25:06,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:25:06,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:25:06,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:25:06,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:25:06,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:25:06,869 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:25:06,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:25:06,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:25:06,870 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:25:06,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:25:06,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:25:06,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:25:06,871 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_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8661b1e533413e4de6576c4feab251d05a672526bd5f59b260c6cb9f9c05939 [2022-11-26 00:25:07,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:25:07,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:25:07,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:25:07,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:25:07,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:25:07,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2022-11-26 00:25:10,782 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:25:11,039 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:25:11,040 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i [2022-11-26 00:25:11,047 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/data/314e05f9d/14cfaeb739444b2eb545f33d8058a5fa/FLAG24fbfb6bd [2022-11-26 00:25:11,064 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/data/314e05f9d/14cfaeb739444b2eb545f33d8058a5fa [2022-11-26 00:25:11,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:25:11,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:25:11,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:25:11,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:25:11,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:25:11,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343a5caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11, skipping insertion in model container [2022-11-26 00:25:11,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:25:11,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:25:11,266 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i[873,886] [2022-11-26 00:25:11,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:25:11,297 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:25:11,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/sv-benchmarks/c/loop-zilu/benchmark23_conjunctive.i[873,886] [2022-11-26 00:25:11,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:25:11,332 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:25:11,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11 WrapperNode [2022-11-26 00:25:11,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:25:11,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:25:11,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:25:11,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:25:11,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,374 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2022-11-26 00:25:11,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:25:11,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:25:11,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:25:11,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:25:11,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,398 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:25:11,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:25:11,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:25:11,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:25:11,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (1/1) ... [2022-11-26 00:25:11,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:25:11,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:11,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:25:11,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:25:11,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:25:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:25:11,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:25:11,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:25:11,587 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:25:11,590 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:25:11,714 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:25:11,747 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:25:11,747 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-26 00:25:11,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:11 BoogieIcfgContainer [2022-11-26 00:25:11,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:25:11,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:25:11,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:25:11,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:25:11,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:25:11" (1/3) ... [2022-11-26 00:25:11,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40523bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:25:11, skipping insertion in model container [2022-11-26 00:25:11,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:11" (2/3) ... [2022-11-26 00:25:11,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40523bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:25:11, skipping insertion in model container [2022-11-26 00:25:11,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:11" (3/3) ... [2022-11-26 00:25:11,763 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark23_conjunctive.i [2022-11-26 00:25:11,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:25:11,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-26 00:25:11,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:25:11,866 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;@149e552f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:25:11,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 00:25:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:25:11,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:11,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:25:11,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:11,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2092610, now seen corresponding path program 1 times [2022-11-26 00:25:11,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:11,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803293050] [2022-11-26 00:25:11,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:11,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:12,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:12,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803293050] [2022-11-26 00:25:12,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803293050] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:12,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:12,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:25:12,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709699876] [2022-11-26 00:25:12,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:12,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:12,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:12,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:12,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:12,177 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.75) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:12,234 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-11-26 00:25:12,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:12,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:25:12,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:12,248 INFO L225 Difference]: With dead ends: 13 [2022-11-26 00:25:12,248 INFO L226 Difference]: Without dead ends: 10 [2022-11-26 00:25:12,252 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 [2022-11-26 00:25:12,256 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:12,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 5 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:12,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2022-11-26 00:25:12,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-26 00:25:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-11-26 00:25:12,347 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4 [2022-11-26 00:25:12,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:12,348 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2022-11-26 00:25:12,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-11-26 00:25:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-26 00:25:12,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:12,349 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-26 00:25:12,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:25:12,350 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:12,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:12,352 INFO L85 PathProgramCache]: Analyzing trace with hash 64870960, now seen corresponding path program 1 times [2022-11-26 00:25:12,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:12,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469289493] [2022-11-26 00:25:12,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:12,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:12,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:12,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469289493] [2022-11-26 00:25:12,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469289493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:12,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:12,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:25:12,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761317073] [2022-11-26 00:25:12,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:12,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:25:12,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:12,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:25:12,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:25:12,410 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:12,428 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-26 00:25:12,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:25:12,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-26 00:25:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:12,430 INFO L225 Difference]: With dead ends: 14 [2022-11-26 00:25:12,431 INFO L226 Difference]: Without dead ends: 13 [2022-11-26 00:25:12,431 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 [2022-11-26 00:25:12,433 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:12,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:12,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-26 00:25:12,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-26 00:25:12,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.3) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-26 00:25:12,441 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 5 [2022-11-26 00:25:12,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:12,441 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-26 00:25:12,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-26 00:25:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:25:12,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:12,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:25:12,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:25:12,444 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:12,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:12,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2010999812, now seen corresponding path program 1 times [2022-11-26 00:25:12,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:12,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910615277] [2022-11-26 00:25:12,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:12,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:12,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:12,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910615277] [2022-11-26 00:25:12,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910615277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:12,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:12,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:25:12,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542780883] [2022-11-26 00:25:12,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:12,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:25:12,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:12,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:25:12,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:25:12,528 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:12,563 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-26 00:25:12,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:25:12,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-26 00:25:12,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:12,565 INFO L225 Difference]: With dead ends: 13 [2022-11-26 00:25:12,566 INFO L226 Difference]: Without dead ends: 12 [2022-11-26 00:25:12,566 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 [2022-11-26 00:25:12,568 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:12,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:12,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-26 00:25:12,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-26 00:25:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-26 00:25:12,574 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6 [2022-11-26 00:25:12,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:12,575 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-26 00:25:12,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-26 00:25:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:25:12,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:12,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:12,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:25:12,577 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:12,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2083515214, now seen corresponding path program 1 times [2022-11-26 00:25:12,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:12,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650664094] [2022-11-26 00:25:12,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:12,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:12,649 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:12,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650664094] [2022-11-26 00:25:12,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650664094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:12,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:12,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:25:12,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522845599] [2022-11-26 00:25:12,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:12,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:25:12,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:12,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:25:12,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:25:12,653 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:12,732 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-26 00:25:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:25:12,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-26 00:25:12,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:12,734 INFO L225 Difference]: With dead ends: 15 [2022-11-26 00:25:12,735 INFO L226 Difference]: Without dead ends: 14 [2022-11-26 00:25:12,735 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 [2022-11-26 00:25:12,738 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:12,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:25:12,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-26 00:25:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-26 00:25:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-26 00:25:12,745 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2022-11-26 00:25:12,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:12,746 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-26 00:25:12,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-26 00:25:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:25:12,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:12,753 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-26 00:25:12,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:25:12,754 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:12,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:12,756 INFO L85 PathProgramCache]: Analyzing trace with hash 865667262, now seen corresponding path program 1 times [2022-11-26 00:25:12,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:12,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747609667] [2022-11-26 00:25:12,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:12,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:12,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:12,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747609667] [2022-11-26 00:25:12,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747609667] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:25:12,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052352736] [2022-11-26 00:25:12,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:12,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:12,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:12,888 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:12,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:25:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:12,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:25:12,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:13,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:25:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:13,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052352736] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:25:13,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1002935178] [2022-11-26 00:25:13,173 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:25:13,173 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:25:13,178 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:25:13,184 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:25:13,188 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:25:13,488 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:25:13,734 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '213#(and (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 2147483645 |ULTIMATE.start_main_~j~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:25:13,735 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:25:13,744 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:25:13,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-11-26 00:25:13,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118997778] [2022-11-26 00:25:13,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:25:13,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:25:13,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:13,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:25:13,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:13,755 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:13,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:13,799 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-26 00:25:13,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:25:13,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-26 00:25:13,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:13,800 INFO L225 Difference]: With dead ends: 30 [2022-11-26 00:25:13,801 INFO L226 Difference]: Without dead ends: 29 [2022-11-26 00:25:13,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:25:13,804 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:13,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:13,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-26 00:25:13,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2022-11-26 00:25:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-11-26 00:25:13,822 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 10 [2022-11-26 00:25:13,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:13,823 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-11-26 00:25:13,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:13,825 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-26 00:25:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:25:13,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:13,825 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2022-11-26 00:25:13,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:14,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:14,031 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:14,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:14,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1317414976, now seen corresponding path program 1 times [2022-11-26 00:25:14,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:14,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301236728] [2022-11-26 00:25:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:14,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:25:14,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:14,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301236728] [2022-11-26 00:25:14,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301236728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:25:14,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:25:14,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:25:14,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138136992] [2022-11-26 00:25:14,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:25:14,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:25:14,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:14,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:25:14,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:25:14,139 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:14,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:14,163 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-11-26 00:25:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:25:14,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-26 00:25:14,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:14,165 INFO L225 Difference]: With dead ends: 27 [2022-11-26 00:25:14,165 INFO L226 Difference]: Without dead ends: 26 [2022-11-26 00:25:14,165 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 [2022-11-26 00:25:14,166 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:14,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-26 00:25:14,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-26 00:25:14,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2022-11-26 00:25:14,173 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 12 [2022-11-26 00:25:14,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:14,173 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2022-11-26 00:25:14,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:25:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-11-26 00:25:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-26 00:25:14,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:14,175 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1] [2022-11-26 00:25:14,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:25:14,175 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:14,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:14,176 INFO L85 PathProgramCache]: Analyzing trace with hash 446413744, now seen corresponding path program 2 times [2022-11-26 00:25:14,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:14,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561614457] [2022-11-26 00:25:14,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:14,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:14,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:14,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561614457] [2022-11-26 00:25:14,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561614457] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:25:14,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024766422] [2022-11-26 00:25:14,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:25:14,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:14,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:14,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:14,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:25:14,490 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-26 00:25:14,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:25:14,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:25:14,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:14,566 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:14,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:25:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:14,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024766422] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:25:14,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1093377742] [2022-11-26 00:25:14,679 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:25:14,679 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:25:14,680 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:25:14,680 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:25:14,680 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:25:14,867 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:25:15,161 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '510#(and (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 2147483645 |ULTIMATE.start_main_~j~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:25:15,162 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:25:15,162 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:25:15,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-26 00:25:15,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229663699] [2022-11-26 00:25:15,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:25:15,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:25:15,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:15,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:25:15,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:25:15,164 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 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) [2022-11-26 00:25:15,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:15,217 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2022-11-26 00:25:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:25:15,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-26 00:25:15,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:15,219 INFO L225 Difference]: With dead ends: 57 [2022-11-26 00:25:15,219 INFO L226 Difference]: Without dead ends: 56 [2022-11-26 00:25:15,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:25:15,220 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:15,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:25:15,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-26 00:25:15,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-26 00:25:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 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) [2022-11-26 00:25:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2022-11-26 00:25:15,230 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 25 [2022-11-26 00:25:15,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:15,230 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2022-11-26 00:25:15,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 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) [2022-11-26 00:25:15,231 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2022-11-26 00:25:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-26 00:25:15,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:15,232 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1] [2022-11-26 00:25:15,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:25:15,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 00:25:15,441 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:15,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:15,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1907423760, now seen corresponding path program 3 times [2022-11-26 00:25:15,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:15,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325039376] [2022-11-26 00:25:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:15,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:15,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:15,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325039376] [2022-11-26 00:25:15,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325039376] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:25:15,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998285507] [2022-11-26 00:25:15,851 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:25:15,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:15,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:15,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:15,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:25:15,942 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:25:15,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:25:15,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:25:15,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:16,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:25:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:16,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998285507] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:25:16,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1483388035] [2022-11-26 00:25:16,455 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:25:16,455 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:25:16,455 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:25:16,456 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:25:16,456 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:25:16,617 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:25:17,167 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '998#(and (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 2147483645 |ULTIMATE.start_main_~j~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:25:17,167 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:25:17,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:25:17,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-11-26 00:25:17,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232158716] [2022-11-26 00:25:17,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:25:17,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-26 00:25:17,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:17,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-26 00:25:17,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=523, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:25:17,171 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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) [2022-11-26 00:25:17,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:17,329 INFO L93 Difference]: Finished difference Result 117 states and 128 transitions. [2022-11-26 00:25:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-26 00:25:17,330 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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 55 [2022-11-26 00:25:17,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:17,335 INFO L225 Difference]: With dead ends: 117 [2022-11-26 00:25:17,335 INFO L226 Difference]: Without dead ends: 116 [2022-11-26 00:25:17,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 138 SyntacticMatches, 10 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=289, Invalid=523, Unknown=0, NotChecked=0, Total=812 [2022-11-26 00:25:17,337 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:17,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 71 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:25:17,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-26 00:25:17,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2022-11-26 00:25:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.008695652173913) internal successors, (116), 115 states have internal predecessors, (116), 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) [2022-11-26 00:25:17,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2022-11-26 00:25:17,362 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 55 [2022-11-26 00:25:17,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:17,363 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2022-11-26 00:25:17,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.739130434782608) internal successors, (109), 24 states have internal predecessors, (109), 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) [2022-11-26 00:25:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2022-11-26 00:25:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-26 00:25:17,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:17,369 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1] [2022-11-26 00:25:17,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:17,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:17,577 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:17,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:17,577 INFO L85 PathProgramCache]: Analyzing trace with hash 366430832, now seen corresponding path program 4 times [2022-11-26 00:25:17,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:17,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638431768] [2022-11-26 00:25:17,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:17,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:18,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:18,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638431768] [2022-11-26 00:25:18,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638431768] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:25:18,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226243654] [2022-11-26 00:25:18,513 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-26 00:25:18,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:18,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:18,515 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:18,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:25:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:18,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-26 00:25:18,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:18,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:18,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:25:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:20,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226243654] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:25:20,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1810729037] [2022-11-26 00:25:20,106 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:25:20,106 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:25:20,107 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:25:20,107 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:25:20,107 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:25:20,240 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:25:21,363 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2014#(and (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 2147483645 |ULTIMATE.start_main_~j~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:25:21,363 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:25:21,364 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:25:21,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2022-11-26 00:25:21,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442933911] [2022-11-26 00:25:21,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:25:21,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-26 00:25:21,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:21,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-26 00:25:21,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1141, Invalid=1615, Unknown=0, NotChecked=0, Total=2756 [2022-11-26 00:25:21,369 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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) [2022-11-26 00:25:21,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:21,640 INFO L93 Difference]: Finished difference Result 237 states and 260 transitions. [2022-11-26 00:25:21,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-26 00:25:21,641 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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 115 [2022-11-26 00:25:21,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:21,643 INFO L225 Difference]: With dead ends: 237 [2022-11-26 00:25:21,644 INFO L226 Difference]: Without dead ends: 236 [2022-11-26 00:25:21,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 294 SyntacticMatches, 22 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1832 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1141, Invalid=1615, Unknown=0, NotChecked=0, Total=2756 [2022-11-26 00:25:21,646 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:21,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 143 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:25:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-11-26 00:25:21,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2022-11-26 00:25:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.004255319148936) internal successors, (236), 235 states have internal predecessors, (236), 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) [2022-11-26 00:25:21,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 236 transitions. [2022-11-26 00:25:21,677 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 236 transitions. Word has length 115 [2022-11-26 00:25:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:21,678 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 236 transitions. [2022-11-26 00:25:21,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.872340425531915) internal successors, (229), 48 states have internal predecessors, (229), 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) [2022-11-26 00:25:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 236 transitions. [2022-11-26 00:25:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-26 00:25:21,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:21,682 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1] [2022-11-26 00:25:21,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:21,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:21,890 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:21,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:21,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1046385520, now seen corresponding path program 5 times [2022-11-26 00:25:21,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:21,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344027976] [2022-11-26 00:25:21,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:21,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:25,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:25,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344027976] [2022-11-26 00:25:25,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344027976] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:25:25,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439008110] [2022-11-26 00:25:25,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:25:25,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:25,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:25,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:25,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:25:25,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2022-11-26 00:25:25,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:25:25,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-26 00:25:25,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:25,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:25:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:29,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439008110] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:25:29,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1782081612] [2022-11-26 00:25:29,757 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:25:29,757 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:25:29,758 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:25:29,758 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:25:29,758 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:25:29,846 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:25:32,308 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4086#(and (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 2147483645 |ULTIMATE.start_main_~j~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:25:32,309 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:25:32,309 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:25:32,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2022-11-26 00:25:32,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11986667] [2022-11-26 00:25:32,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:25:32,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-11-26 00:25:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:25:32,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-11-26 00:25:32,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4573, Invalid=5527, Unknown=0, NotChecked=0, Total=10100 [2022-11-26 00:25:32,324 INFO L87 Difference]: Start difference. First operand 236 states and 236 transitions. Second operand has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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) [2022-11-26 00:25:32,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:25:32,867 INFO L93 Difference]: Finished difference Result 477 states and 524 transitions. [2022-11-26 00:25:32,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-26 00:25:32,868 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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 235 [2022-11-26 00:25:32,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:25:32,877 INFO L225 Difference]: With dead ends: 477 [2022-11-26 00:25:32,877 INFO L226 Difference]: Without dead ends: 476 [2022-11-26 00:25:32,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 751 GetRequests, 606 SyntacticMatches, 46 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7136 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=4573, Invalid=5527, Unknown=0, NotChecked=0, Total=10100 [2022-11-26 00:25:32,881 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:25:32,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 287 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:25:32,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2022-11-26 00:25:32,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2022-11-26 00:25:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 475 states have (on average 1.0021052631578948) internal successors, (476), 475 states have internal predecessors, (476), 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) [2022-11-26 00:25:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 476 transitions. [2022-11-26 00:25:32,925 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 476 transitions. Word has length 235 [2022-11-26 00:25:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:25:32,926 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 476 transitions. [2022-11-26 00:25:32,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.936842105263158) internal successors, (469), 96 states have internal predecessors, (469), 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) [2022-11-26 00:25:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 476 transitions. [2022-11-26 00:25:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-11-26 00:25:32,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:25:32,947 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 1, 1, 1] [2022-11-26 00:25:32,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:25:33,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-26 00:25:33,153 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:25:33,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:25:33,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1153967472, now seen corresponding path program 6 times [2022-11-26 00:25:33,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:25:33,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310657914] [2022-11-26 00:25:33,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:25:33,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:25:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:25:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:41,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:25:41,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310657914] [2022-11-26 00:25:41,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310657914] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:25:41,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336534150] [2022-11-26 00:25:41,497 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:25:41,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:25:41,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:25:41,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:25:41,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:25:41,741 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:25:41,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:25:41,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-26 00:25:41,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:25:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:42,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:25:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 22137 backedges. 0 proven. 22137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:25:55,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336534150] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:25:55,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [804839982] [2022-11-26 00:25:55,180 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-11-26 00:25:55,180 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:25:55,180 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:25:55,181 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:25:55,181 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:25:55,294 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:26:04,099 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8270#(and (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (< 2147483645 |ULTIMATE.start_main_~j~0#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-26 00:26:04,099 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:26:04,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:26:04,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2022-11-26 00:26:04,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900199252] [2022-11-26 00:26:04,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:26:04,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2022-11-26 00:26:04,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:26:04,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2022-11-26 00:26:04,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18349, Invalid=20263, Unknown=0, NotChecked=0, Total=38612 [2022-11-26 00:26:04,126 INFO L87 Difference]: Start difference. First operand 476 states and 476 transitions. Second operand has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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) [2022-11-26 00:26:05,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:26:05,902 INFO L93 Difference]: Finished difference Result 957 states and 1052 transitions. [2022-11-26 00:26:05,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-11-26 00:26:05,904 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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 475 [2022-11-26 00:26:05,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:26:05,908 INFO L225 Difference]: With dead ends: 957 [2022-11-26 00:26:05,908 INFO L226 Difference]: Without dead ends: 956 [2022-11-26 00:26:05,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1519 GetRequests, 1230 SyntacticMatches, 94 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28112 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=18349, Invalid=20263, Unknown=0, NotChecked=0, Total=38612 [2022-11-26 00:26:05,914 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:26:05,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 575 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:26:05,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2022-11-26 00:26:05,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2022-11-26 00:26:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 955 states have (on average 1.0010471204188482) internal successors, (956), 955 states have internal predecessors, (956), 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) [2022-11-26 00:26:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 956 transitions. [2022-11-26 00:26:05,950 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 956 transitions. Word has length 475 [2022-11-26 00:26:05,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:26:05,951 INFO L495 AbstractCegarLoop]: Abstraction has 956 states and 956 transitions. [2022-11-26 00:26:05,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.968586387434555) internal successors, (949), 192 states have internal predecessors, (949), 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) [2022-11-26 00:26:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 956 transitions. [2022-11-26 00:26:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2022-11-26 00:26:05,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:26:05,995 INFO L195 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 1, 1, 1] [2022-11-26 00:26:06,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:26:06,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-26 00:26:06,204 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:26:06,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:26:06,204 INFO L85 PathProgramCache]: Analyzing trace with hash 587680112, now seen corresponding path program 7 times [2022-11-26 00:26:06,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:26:06,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081471650] [2022-11-26 00:26:06,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:26:06,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:26:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 0 proven. 90345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:26:40,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:26:40,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081471650] [2022-11-26 00:26:40,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081471650] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:26:40,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872854296] [2022-11-26 00:26:40,663 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-26 00:26:40,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:26:40,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:26:40,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:26:40,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:26:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:26:41,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 202 conjunts are in the unsatisfiable core [2022-11-26 00:26:41,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:27:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 90345 backedges. 70140 proven. 0 refuted. 0 times theorem prover too weak. 20205 trivial. 0 not checked. [2022-11-26 00:27:14,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:27:14,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872854296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:27:14,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:27:14,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [203] imperfect sequences [192] total 394 [2022-11-26 00:27:14,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491316548] [2022-11-26 00:27:14,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:27:14,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 203 states [2022-11-26 00:27:14,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:27:14,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2022-11-26 00:27:14,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28930, Invalid=125912, Unknown=0, NotChecked=0, Total=154842 [2022-11-26 00:27:14,593 INFO L87 Difference]: Start difference. First operand 956 states and 956 transitions. Second operand has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:27:32,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:27:32,634 INFO L93 Difference]: Finished difference Result 956 states and 956 transitions. [2022-11-26 00:27:32,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2022-11-26 00:27:32,639 INFO L78 Accepts]: Start accepts. Automaton has has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 955 [2022-11-26 00:27:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:27:32,640 INFO L225 Difference]: With dead ends: 956 [2022-11-26 00:27:32,640 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:27:32,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1246 GetRequests, 754 SyntacticMatches, 0 SemanticMatches, 492 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57891 ImplicationChecksByTransitivity, 62.0s TimeCoverageRelationStatistics Valid=44180, Invalid=199362, Unknown=0, NotChecked=0, Total=243542 [2022-11-26 00:27:32,658 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 200 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 4195 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 4195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:27:32,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 1209 Invalid, 4195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4195 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:27:32,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:27:32,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:27:32,659 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) [2022-11-26 00:27:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:27:32,660 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 955 [2022-11-26 00:27:32,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:27:32,660 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:27:32,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 203 states, 203 states have (on average 2.5073891625615765) internal successors, (509), 203 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:27:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:27:32,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:27:32,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-26 00:27:32,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-26 00:27:32,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-26 00:27:32,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-26 00:27:32,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-26 00:27:32,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:27:32,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:27:36,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-26 00:27:36,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:27:36,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-11-26 00:27:36,144 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-26 00:27:36,145 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2022-11-26 00:27:36,154 INFO L895 garLoopResultBuilder]: At program point L23-2(lines 23 26) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)))) (or (and (<= |ULTIMATE.start_main_~j~0#1| 118) .cse0 (<= 59 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~j~0#1| 138) .cse0 (<= 69 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 35 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 70)) (and .cse0 (<= 65 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 130)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 146) (<= 73 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 66 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 132)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 182) (<= 91 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 6)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 8) (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~j~0#1| 164) (<= 82 |ULTIMATE.start_main_~i~0#1|) .cse0) (and .cse0 (<= 89 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 178)) (and .cse0 (< |ULTIMATE.start_main_~j~0#1| 2147483460) (<= 96 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 34 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 68)) (and (<= 44 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 88)) (and .cse0 (<= 93 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 186)) (and (<= 21 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 42)) (and .cse0 (<= 23 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 46)) (and .cse0 (<= 95 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~j~0#1| 2147483458)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 66) (<= 33 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 28 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 56)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 18) (<= 9 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 39 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 78)) (and .cse0 (<= 48 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 96)) (and .cse0 (<= 53 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 106)) (and .cse0 (<= 20 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 40)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 44) (<= 22 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 112) (<= 56 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 45 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 90)) (and (<= 79 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 158)) (and .cse0 (<= 58 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 116)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 64) (<= 32 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 74 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 148)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 62) (<= 31 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 50) (<= 25 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 82) (<= 41 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 57 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 114)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 140) (<= 70 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~j~0#1| 54) .cse0 (<= 27 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 43 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 86)) (and .cse0 (<= 63 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 126)) (and .cse0 (<= 13 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 26)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 160) (<= 80 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 49 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 98)) (and .cse0 (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 (<= 51 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 102)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 142) (<= 71 |ULTIMATE.start_main_~i~0#1|)) (and (<= 86 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 172)) (and (<= |ULTIMATE.start_main_~j~0#1| 10) .cse0 (<= 5 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 10 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 20)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 32) (<= 16 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 150) (<= 75 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 88 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 176)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 92) (<= 46 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 22) (<= 11 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~j~0#1| 170) .cse0 (<= 85 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 154) (<= 77 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 37 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 74)) (and .cse0 (<= 84 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 168)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 48) (<= 24 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 16) (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 38) (<= 19 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 61 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 122)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 188) (<= 94 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 30) (<= 15 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 12 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 24)) (and .cse0 (<= 30 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 60)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 108) (<= 54 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 6 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 12)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 136) (<= 68 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 87 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 174)) (and .cse0 (<= 26 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 52)) (and .cse0 (<= 42 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 84)) (and .cse0 (<= 50 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 100)) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 2)) (and (<= |ULTIMATE.start_main_~j~0#1| 104) .cse0 (<= 52 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 40 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 80)) (and .cse0 (<= 98 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~j~0#1| 2147483464)) (and .cse0 (<= 72 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 144)) (and .cse0 (<= 17 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 34)) (and .cse0 (<= 64 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 128)) (and .cse0 (<= 7 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 14)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 124) (<= 62 |ULTIMATE.start_main_~i~0#1|)) (and (<= 55 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 110)) (and .cse0 (<= 99 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~j~0#1| 2147483466)) (and .cse0 (<= 47 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 94)) (and .cse0 (< |ULTIMATE.start_main_~j~0#1| 2147483468) (<= 100 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 4) (<= 2 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 38 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 76)) (and .cse0 (<= 14 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 28)) (and (<= |ULTIMATE.start_main_~j~0#1| 120) .cse0 (<= 60 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 18 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 36)) (and .cse0 (<= 76 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 152)) (and (<= |ULTIMATE.start_main_~j~0#1| 72) .cse0 (<= 36 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 92 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 184)) (and (<= |ULTIMATE.start_main_~j~0#1| 58) .cse0 (<= 29 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= 97 |ULTIMATE.start_main_~i~0#1|) (< |ULTIMATE.start_main_~j~0#1| 2147483462)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 134) (<= 67 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 166) (<= 83 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 162) (<= 81 |ULTIMATE.start_main_~i~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~j~0#1| 156) (<= 78 |ULTIMATE.start_main_~i~0#1|)) (and (<= 90 |ULTIMATE.start_main_~i~0#1|) .cse0 (<= |ULTIMATE.start_main_~j~0#1| 180)))) [2022-11-26 00:27:36,155 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-26 00:27:36,155 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2022-11-26 00:27:36,155 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:27:36,156 INFO L895 garLoopResultBuilder]: At program point L28(lines 19 29) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~j~0#1| 2147483648)) [2022-11-26 00:27:36,156 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-26 00:27:36,156 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-11-26 00:27:36,156 INFO L899 garLoopResultBuilder]: For program point L22(line 22) no Hoare annotation was computed. [2022-11-26 00:27:36,163 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1, 1] [2022-11-26 00:27:36,166 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:27:36,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:27:36 BoogieIcfgContainer [2022-11-26 00:27:36,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:27:36,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:27:36,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:27:36,236 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:27:36,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:25:11" (3/4) ... [2022-11-26 00:27:36,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:27:36,254 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-26 00:27:36,259 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-26 00:27:36,259 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:27:36,260 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:27:36,303 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:27:36,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:27:36,304 INFO L158 Benchmark]: Toolchain (without parser) took 145235.03ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 92.1MB in the beginning and 537.5MB in the end (delta: -445.4MB). Peak memory consumption was 599.7MB. Max. memory is 16.1GB. [2022-11-26 00:27:36,304 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:27:36,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.81ms. Allocated memory is still 136.3MB. Free memory was 92.1MB in the beginning and 82.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:27:36,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.29ms. Allocated memory is still 136.3MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:27:36,306 INFO L158 Benchmark]: Boogie Preprocessor took 25.63ms. Allocated memory is still 136.3MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:27:36,307 INFO L158 Benchmark]: RCFGBuilder took 348.48ms. Allocated memory is still 136.3MB. Free memory was 79.6MB in the beginning and 68.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:27:36,307 INFO L158 Benchmark]: TraceAbstraction took 144480.74ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 68.3MB in the beginning and 540.7MB in the end (delta: -472.4MB). Peak memory consumption was 570.3MB. Max. memory is 16.1GB. [2022-11-26 00:27:36,308 INFO L158 Benchmark]: Witness Printer took 67.44ms. Allocated memory is still 1.2GB. Free memory was 540.7MB in the beginning and 537.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:27:36,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.81ms. Allocated memory is still 136.3MB. Free memory was 92.1MB in the beginning and 82.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.29ms. Allocated memory is still 136.3MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.63ms. Allocated memory is still 136.3MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.48ms. Allocated memory is still 136.3MB. Free memory was 79.6MB in the beginning and 68.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 144480.74ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 68.3MB in the beginning and 540.7MB in the end (delta: -472.4MB). Peak memory consumption was 570.3MB. Max. memory is 16.1GB. * Witness Printer took 67.44ms. Allocated memory is still 1.2GB. Free memory was 540.7MB in the beginning and 537.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 144.3s, OverallIterations: 12, TraceHistogramMax: 191, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.1s, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 2381 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2227 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5057 IncrementalHoareTripleChecker+Invalid, 5066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 154 mSDtfsCounter, 5057 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4183 GetRequests, 3107 SyntacticMatches, 177 SemanticMatches, 899 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95595 ImplicationChecksByTransitivity, 97.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=956occurred in iteration=11, InterpolantAutomatonStates: 599, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 103 NumberOfFragments, 1218 HoareAnnotationTreeSize, 2 FomulaSimplifications, 567 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 2 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 100.4s InterpolantComputationTime, 3774 NumberOfCodeBlocks, 3774 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 4664 ConstructedInterpolants, 0 QuantifiedInterpolants, 13034 SizeOfPredicates, 100 NumberOfNonLiveVariables, 4261 ConjunctsInSsa, 391 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 90350/267608 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((j <= 118 && 0 <= j + 2147483648) && 59 <= i) || ((j <= 138 && 0 <= j + 2147483648) && 69 <= i)) || ((0 <= j + 2147483648 && 35 <= i) && j <= 70)) || ((0 <= j + 2147483648 && 65 <= i) && j <= 130)) || ((0 <= j + 2147483648 && j <= 146) && 73 <= i)) || ((0 <= j + 2147483648 && 66 <= i) && j <= 132)) || ((0 <= j + 2147483648 && j <= 182) && 91 <= i)) || ((0 <= j + 2147483648 && 3 <= i) && j <= 6)) || ((0 <= j + 2147483648 && j <= 8) && 4 <= i)) || ((j <= 164 && 82 <= i) && 0 <= j + 2147483648)) || ((0 <= j + 2147483648 && 89 <= i) && j <= 178)) || ((0 <= j + 2147483648 && j < 2147483460) && 96 <= i)) || ((0 <= j + 2147483648 && 34 <= i) && j <= 68)) || ((44 <= i && 0 <= j + 2147483648) && j <= 88)) || ((0 <= j + 2147483648 && 93 <= i) && j <= 186)) || ((21 <= i && 0 <= j + 2147483648) && j <= 42)) || ((0 <= j + 2147483648 && 23 <= i) && j <= 46)) || ((0 <= j + 2147483648 && 95 <= i) && j < 2147483458)) || ((0 <= j + 2147483648 && j <= 66) && 33 <= i)) || ((0 <= j + 2147483648 && 28 <= i) && j <= 56)) || ((0 <= j + 2147483648 && j <= 18) && 9 <= i)) || ((0 <= j + 2147483648 && 39 <= i) && j <= 78)) || ((0 <= j + 2147483648 && 48 <= i) && j <= 96)) || ((0 <= j + 2147483648 && 53 <= i) && j <= 106)) || ((0 <= j + 2147483648 && 20 <= i) && j <= 40)) || ((0 <= j + 2147483648 && j <= 44) && 22 <= i)) || ((0 <= j + 2147483648 && j <= 112) && 56 <= i)) || ((0 <= j + 2147483648 && 45 <= i) && j <= 90)) || ((79 <= i && 0 <= j + 2147483648) && j <= 158)) || ((0 <= j + 2147483648 && 58 <= i) && j <= 116)) || ((0 <= j + 2147483648 && j <= 64) && 32 <= i)) || ((0 <= j + 2147483648 && 74 <= i) && j <= 148)) || ((0 <= j + 2147483648 && j <= 62) && 31 <= i)) || ((0 <= j + 2147483648 && j <= 50) && 25 <= i)) || ((0 <= j + 2147483648 && j <= 82) && 41 <= i)) || ((0 <= j + 2147483648 && 57 <= i) && j <= 114)) || ((0 <= j + 2147483648 && j <= 140) && 70 <= i)) || ((j <= 54 && 0 <= j + 2147483648) && 27 <= i)) || ((0 <= j + 2147483648 && 43 <= i) && j <= 86)) || ((0 <= j + 2147483648 && 63 <= i) && j <= 126)) || ((0 <= j + 2147483648 && 13 <= i) && j <= 26)) || ((0 <= j + 2147483648 && j <= 160) && 80 <= i)) || ((0 <= j + 2147483648 && 49 <= i) && j <= 98)) || ((0 <= j + 2147483648 && 0 <= i) && j <= 0)) || ((0 <= j + 2147483648 && 51 <= i) && j <= 102)) || ((0 <= j + 2147483648 && j <= 142) && 71 <= i)) || ((86 <= i && 0 <= j + 2147483648) && j <= 172)) || ((j <= 10 && 0 <= j + 2147483648) && 5 <= i)) || ((0 <= j + 2147483648 && 10 <= i) && j <= 20)) || ((0 <= j + 2147483648 && j <= 32) && 16 <= i)) || ((0 <= j + 2147483648 && j <= 150) && 75 <= i)) || ((0 <= j + 2147483648 && 88 <= i) && j <= 176)) || ((0 <= j + 2147483648 && j <= 92) && 46 <= i)) || ((0 <= j + 2147483648 && j <= 22) && 11 <= i)) || ((j <= 170 && 0 <= j + 2147483648) && 85 <= i)) || ((0 <= j + 2147483648 && j <= 154) && 77 <= i)) || ((0 <= j + 2147483648 && 37 <= i) && j <= 74)) || ((0 <= j + 2147483648 && 84 <= i) && j <= 168)) || ((0 <= j + 2147483648 && j <= 48) && 24 <= i)) || ((0 <= j + 2147483648 && j <= 16) && 8 <= i)) || ((0 <= j + 2147483648 && j <= 38) && 19 <= i)) || ((0 <= j + 2147483648 && 61 <= i) && j <= 122)) || ((0 <= j + 2147483648 && j <= 188) && 94 <= i)) || ((0 <= j + 2147483648 && j <= 30) && 15 <= i)) || ((0 <= j + 2147483648 && 12 <= i) && j <= 24)) || ((0 <= j + 2147483648 && 30 <= i) && j <= 60)) || ((0 <= j + 2147483648 && j <= 108) && 54 <= i)) || ((0 <= j + 2147483648 && 6 <= i) && j <= 12)) || ((0 <= j + 2147483648 && j <= 136) && 68 <= i)) || ((0 <= j + 2147483648 && 87 <= i) && j <= 174)) || ((0 <= j + 2147483648 && 26 <= i) && j <= 52)) || ((0 <= j + 2147483648 && 42 <= i) && j <= 84)) || ((0 <= j + 2147483648 && 50 <= i) && j <= 100)) || ((0 <= j + 2147483648 && 1 <= i) && j <= 2)) || ((j <= 104 && 0 <= j + 2147483648) && 52 <= i)) || ((0 <= j + 2147483648 && 40 <= i) && j <= 80)) || ((0 <= j + 2147483648 && 98 <= i) && j < 2147483464)) || ((0 <= j + 2147483648 && 72 <= i) && j <= 144)) || ((0 <= j + 2147483648 && 17 <= i) && j <= 34)) || ((0 <= j + 2147483648 && 64 <= i) && j <= 128)) || ((0 <= j + 2147483648 && 7 <= i) && j <= 14)) || ((0 <= j + 2147483648 && j <= 124) && 62 <= i)) || ((55 <= i && 0 <= j + 2147483648) && j <= 110)) || ((0 <= j + 2147483648 && 99 <= i) && j < 2147483466)) || ((0 <= j + 2147483648 && 47 <= i) && j <= 94)) || ((0 <= j + 2147483648 && j < 2147483468) && 100 <= i)) || ((0 <= j + 2147483648 && j <= 4) && 2 <= i)) || ((0 <= j + 2147483648 && 38 <= i) && j <= 76)) || ((0 <= j + 2147483648 && 14 <= i) && j <= 28)) || ((j <= 120 && 0 <= j + 2147483648) && 60 <= i)) || ((0 <= j + 2147483648 && 18 <= i) && j <= 36)) || ((0 <= j + 2147483648 && 76 <= i) && j <= 152)) || ((j <= 72 && 0 <= j + 2147483648) && 36 <= i)) || ((0 <= j + 2147483648 && 92 <= i) && j <= 184)) || ((j <= 58 && 0 <= j + 2147483648) && 29 <= i)) || ((0 <= j + 2147483648 && 97 <= i) && j < 2147483462)) || ((0 <= j + 2147483648 && j <= 134) && 67 <= i)) || ((0 <= j + 2147483648 && j <= 166) && 83 <= i)) || ((0 <= j + 2147483648 && j <= 162) && 81 <= i)) || ((0 <= j + 2147483648 && j <= 156) && 78 <= i)) || ((90 <= i && 0 <= j + 2147483648) && j <= 180) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 <= j + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-11-26 00:27:36,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00d0bc26-f958-4833-a464-b4290c13a17e/bin/utaipan-ByfvJB40ur/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